WIP: Remove provider name

`StatusUpdate::Failed` state by turning it into an error early, and then
faltten `StatusUpdate` into LanguageModelCompletionEvent

.github/actions/run_tests/action.yml

@@ -4,10 +4,8 @@ description: "Runs the tests"
 runs:
   using: "composite"
   steps:
-    - name: Install Rust
-      shell: bash -euxo pipefail {0}
-      run: |
-        cargo install cargo-nextest --locked
+    - name: Install nextest
+      uses: taiki-e/install-action@nextest
 
     - name: Install Node
       uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4

.github/actions/run_tests_windows/action.yml

@@ -11,9 +11,8 @@ runs:
   using: "composite"
   steps:
     - name: Install test runner
-      shell: powershell
       working-directory: ${{ inputs.working-directory }}
-      run: cargo install cargo-nextest --locked
+      uses: taiki-e/install-action@nextest
 
     - name: Install Node
       uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4

.github/workflows/after_release.yml

@@ -56,14 +56,14 @@ jobs:
     - id: set-package-name
       name: after_release::publish_winget::set_package_name
       run: |
-        if [ "${{ github.event.release.prerelease }}" == "true" ]; then
-            PACKAGE_NAME=ZedIndustries.Zed.Preview
-        else
-            PACKAGE_NAME=ZedIndustries.Zed
-        fi
+        if ("${{ github.event.release.prerelease }}" -eq "true") {
+            $PACKAGE_NAME = "ZedIndustries.Zed.Preview"
+        } else {
+            $PACKAGE_NAME = "ZedIndustries.Zed"
+        }
 
-        echo "PACKAGE_NAME=$PACKAGE_NAME" >> "$GITHUB_OUTPUT"
-      shell: bash -euxo pipefail {0}
+        echo "PACKAGE_NAME=$PACKAGE_NAME" >> $env:GITHUB_OUTPUT
+      shell: pwsh
     - name: after_release::publish_winget::winget_releaser
       uses: vedantmgoyal9/winget-releaser@19e706d4c9121098010096f9c495a70a7518b30f
       with:
@@ -86,3 +86,19 @@ jobs:
         SENTRY_ORG: zed-dev
         SENTRY_PROJECT: zed
         SENTRY_AUTH_TOKEN: ${{ secrets.SENTRY_AUTH_TOKEN }}
+  notify_on_failure:
+    needs:
+    - rebuild_releases_page
+    - post_to_discord
+    - publish_winget
+    - create_sentry_release
+    if: failure()
+    runs-on: namespace-profile-2x4-ubuntu-2404
+    steps:
+    - name: release::notify_on_failure::notify_slack
+      run: |-
+        curl -X POST -H 'Content-type: application/json'\
+         --data '{"text":"${{ github.workflow }} failed:  ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}"}' "$SLACK_WEBHOOK"
+      shell: bash -euxo pipefail {0}
+      env:
+        SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK_WORKFLOW_FAILURES }}

.github/workflows/bump_patch_version.yml

@@ -42,7 +42,7 @@ jobs:
               exit 1
               ;;
           esac
-          which cargo-set-version > /dev/null || cargo install cargo-edit
+          which cargo-set-version > /dev/null || cargo install cargo-edit -f --no-default-features --features "set-version"
           output="$(cargo set-version -p zed --bump patch 2>&1 | sed 's/.* //')"
           export GIT_COMMITTER_NAME="Zed Bot"
           export GIT_COMMITTER_EMAIL="hi@zed.dev"

.github/workflows/cherry_pick.yml

@@ -1,6 +1,7 @@
 # Generated from xtask::workflows::cherry_pick
 # Rebuild with `cargo xtask workflows`.
 name: cherry_pick
+run-name: 'cherry_pick to ${{ inputs.channel }} #${{ inputs.pr_number }}'
 on:
   workflow_dispatch:
     inputs:
@@ -16,6 +17,10 @@ on:
         description: channel
         required: true
         type: string
+      pr_number:
+        description: pr_number
+        required: true
+        type: string
 jobs:
   run_cherry_pick:
     runs-on: namespace-profile-2x4-ubuntu-2404

.github/workflows/community_close_stale_issues.yml

@@ -15,14 +15,15 @@ jobs:
           stale-issue-message: >
             Hi there! 👋
 
-            We're working to clean up our issue tracker by closing older issues that might not be relevant anymore. If you are able to reproduce this issue in the latest version of Zed, please let us know by commenting on this issue, and we will keep it open. If you can't reproduce it, feel free to close the issue yourself. Otherwise, we'll close it in 7 days.
+            We're working to clean up our issue tracker by closing older bugs that might not be relevant anymore. If you are able to reproduce this issue in the latest version of Zed, please let us know by commenting on this issue, and it will be kept open. If you can't reproduce it, feel free to close the issue yourself. Otherwise, it will close automatically in 14 days.
 
             Thanks for your help!
           close-issue-message: "This issue was closed due to inactivity. If you're still experiencing this problem, please open a new issue with a link to this issue."
-          days-before-stale: 120
-          days-before-close: 7
-          any-of-issue-labels: "bug,panic / crash"
+          days-before-stale: 60
+          days-before-close: 14
+          only-issue-types: "Bug,Crash"
           operations-per-run: 1000
           ascending: true
           enable-statistics: true
           stale-issue-label: "stale"
+          exempt-issue-labels: "never stale"

.github/workflows/compare_perf.yml

@@ -39,8 +39,7 @@ jobs:
       run: ./script/download-wasi-sdk
       shell: bash -euxo pipefail {0}
     - name: compare_perf::run_perf::install_hyperfine
-      run: cargo install hyperfine
-      shell: bash -euxo pipefail {0}
+      uses: taiki-e/install-action@hyperfine
     - name: steps::git_checkout
       run: git fetch origin ${{ inputs.base }} && git checkout ${{ inputs.base }}
       shell: bash -euxo pipefail {0}

.github/workflows/deploy_collab.yml

@@ -43,9 +43,7 @@ jobs:
           fetch-depth: 0
 
       - name: Install cargo nextest
-        shell: bash -euxo pipefail {0}
-        run: |
-          cargo install cargo-nextest --locked
+        uses: taiki-e/install-action@nextest
 
       - name: Limit target directory size
         shell: bash -euxo pipefail {0}

.github/workflows/release.yml

@@ -29,9 +29,6 @@ jobs:
     - name: steps::clippy
       run: ./script/clippy
       shell: bash -euxo pipefail {0}
-    - name: steps::cargo_install_nextest
-      run: cargo install cargo-nextest --locked
-      shell: bash -euxo pipefail {0}
     - name: steps::clear_target_dir_if_large
       run: ./script/clear-target-dir-if-larger-than 300
       shell: bash -euxo pipefail {0}
@@ -78,8 +75,7 @@ jobs:
       run: ./script/clippy
       shell: bash -euxo pipefail {0}
     - name: steps::cargo_install_nextest
-      run: cargo install cargo-nextest --locked
-      shell: bash -euxo pipefail {0}
+      uses: taiki-e/install-action@nextest
     - name: steps::clear_target_dir_if_large
       run: ./script/clear-target-dir-if-larger-than 250
       shell: bash -euxo pipefail {0}
@@ -112,9 +108,6 @@ jobs:
     - name: steps::clippy
       run: ./script/clippy.ps1
       shell: pwsh
-    - name: steps::cargo_install_nextest
-      run: cargo install cargo-nextest --locked
-      shell: pwsh
     - name: steps::clear_target_dir_if_large
       run: ./script/clear-target-dir-if-larger-than.ps1 250
       shell: pwsh
@@ -484,6 +477,20 @@ jobs:
       shell: bash -euxo pipefail {0}
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  notify_on_failure:
+    needs:
+    - upload_release_assets
+    - auto_release_preview
+    if: failure()
+    runs-on: namespace-profile-2x4-ubuntu-2404
+    steps:
+    - name: release::notify_on_failure::notify_slack
+      run: |-
+        curl -X POST -H 'Content-type: application/json'\
+         --data '{"text":"${{ github.workflow }} failed:  ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}"}' "$SLACK_WEBHOOK"
+      shell: bash -euxo pipefail {0}
+      env:
+        SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK_WORKFLOW_FAILURES }}
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref_name }}-${{ github.ref_name == 'main' && github.sha || 'anysha' }}
   cancel-in-progress: true

.github/workflows/release_nightly.yml

@@ -47,9 +47,6 @@ jobs:
     - name: steps::clippy
       run: ./script/clippy.ps1
       shell: pwsh
-    - name: steps::cargo_install_nextest
-      run: cargo install cargo-nextest --locked
-      shell: pwsh
     - name: steps::clear_target_dir_if_large
       run: ./script/clear-target-dir-if-larger-than.ps1 250
       shell: pwsh
@@ -493,3 +490,21 @@ jobs:
         SENTRY_PROJECT: zed
         SENTRY_AUTH_TOKEN: ${{ secrets.SENTRY_AUTH_TOKEN }}
     timeout-minutes: 60
+  notify_on_failure:
+    needs:
+    - bundle_linux_aarch64
+    - bundle_linux_x86_64
+    - bundle_mac_aarch64
+    - bundle_mac_x86_64
+    - bundle_windows_aarch64
+    - bundle_windows_x86_64
+    if: failure()
+    runs-on: namespace-profile-2x4-ubuntu-2404
+    steps:
+    - name: release::notify_on_failure::notify_slack
+      run: |-
+        curl -X POST -H 'Content-type: application/json'\
+         --data '{"text":"${{ github.workflow }} failed:  ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}"}' "$SLACK_WEBHOOK"
+      shell: bash -euxo pipefail {0}
+      env:
+        SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK_WORKFLOW_FAILURES }}

.github/workflows/run_agent_evals.yml

@@ -6,6 +6,9 @@ env:
   CARGO_INCREMENTAL: '0'
   RUST_BACKTRACE: '1'
   ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
+  OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
+  GOOGLE_AI_API_KEY: ${{ secrets.GOOGLE_AI_API_KEY }}
+  GOOGLE_CLOUD_PROJECT: ${{ secrets.GOOGLE_CLOUD_PROJECT }}
   ZED_CLIENT_CHECKSUM_SEED: ${{ secrets.ZED_CLIENT_CHECKSUM_SEED }}
   ZED_EVAL_TELEMETRY: '1'
   MODEL_NAME: ${{ inputs.model_name }}
@@ -48,6 +51,11 @@ jobs:
     - name: run_agent_evals::agent_evals::run_eval
       run: cargo run --package=eval -- --repetitions=8 --concurrency=1 --model "${MODEL_NAME}"
       shell: bash -euxo pipefail {0}
+      env:
+        ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
+        OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
+        GOOGLE_AI_API_KEY: ${{ secrets.GOOGLE_AI_API_KEY }}
+        GOOGLE_CLOUD_PROJECT: ${{ secrets.GOOGLE_CLOUD_PROJECT }}
     - name: steps::cleanup_cargo_config
       if: always()
       run: |

.github/workflows/run_cron_unit_evals.yml

@@ -0,0 +1,68 @@
+# Generated from xtask::workflows::run_cron_unit_evals
+# Rebuild with `cargo xtask workflows`.
+name: run_cron_unit_evals
+env:
+  CARGO_TERM_COLOR: always
+  CARGO_INCREMENTAL: '0'
+  RUST_BACKTRACE: '1'
+  ZED_CLIENT_CHECKSUM_SEED: ${{ secrets.ZED_CLIENT_CHECKSUM_SEED }}
+on:
+  schedule:
+  - cron: 47 1 * * 2
+  workflow_dispatch: {}
+jobs:
+  cron_unit_evals:
+    runs-on: namespace-profile-16x32-ubuntu-2204
+    steps:
+    - name: steps::checkout_repo
+      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
+      with:
+        clean: false
+    - name: steps::setup_cargo_config
+      run: |
+        mkdir -p ./../.cargo
+        cp ./.cargo/ci-config.toml ./../.cargo/config.toml
+      shell: bash -euxo pipefail {0}
+    - name: steps::cache_rust_dependencies_namespace
+      uses: namespacelabs/nscloud-cache-action@v1
+      with:
+        cache: rust
+    - name: steps::setup_linux
+      run: ./script/linux
+      shell: bash -euxo pipefail {0}
+    - name: steps::install_mold
+      run: ./script/install-mold
+      shell: bash -euxo pipefail {0}
+    - name: steps::download_wasi_sdk
+      run: ./script/download-wasi-sdk
+      shell: bash -euxo pipefail {0}
+    - name: steps::cargo_install_nextest
+      uses: taiki-e/install-action@nextest
+    - name: steps::clear_target_dir_if_large
+      run: ./script/clear-target-dir-if-larger-than 250
+      shell: bash -euxo pipefail {0}
+    - name: ./script/run-unit-evals
+      run: ./script/run-unit-evals
+      shell: bash -euxo pipefail {0}
+      env:
+        ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
+        OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
+        GOOGLE_AI_API_KEY: ${{ secrets.GOOGLE_AI_API_KEY }}
+        GOOGLE_CLOUD_PROJECT: ${{ secrets.GOOGLE_CLOUD_PROJECT }}
+    - name: steps::cleanup_cargo_config
+      if: always()
+      run: |
+        rm -rf ./../.cargo
+      shell: bash -euxo pipefail {0}
+    - name: run_agent_evals::cron_unit_evals::send_failure_to_slack
+      if: ${{ failure() }}
+      uses: slackapi/slack-github-action@b0fa283ad8fea605de13dc3f449259339835fc52
+      with:
+        method: chat.postMessage
+        token: ${{ secrets.SLACK_APP_ZED_UNIT_EVALS_BOT_TOKEN }}
+        payload: |
+          channel: C04UDRNNJFQ
+          text: "Unit Evals Failed: https://github.com/zed-industries/zed/actions/runs/${{ github.run_id }}"
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref_name }}-${{ github.ref_name == 'main' && github.sha || 'anysha' }}
+  cancel-in-progress: true

.github/workflows/run_tests.yml

@@ -113,9 +113,6 @@ jobs:
     - name: steps::clippy
       run: ./script/clippy.ps1
       shell: pwsh
-    - name: steps::cargo_install_nextest
-      run: cargo install cargo-nextest --locked
-      shell: pwsh
     - name: steps::clear_target_dir_if_large
       run: ./script/clear-target-dir-if-larger-than.ps1 250
       shell: pwsh
@@ -164,8 +161,7 @@ jobs:
       run: ./script/clippy
       shell: bash -euxo pipefail {0}
     - name: steps::cargo_install_nextest
-      run: cargo install cargo-nextest --locked
-      shell: bash -euxo pipefail {0}
+      uses: taiki-e/install-action@nextest
     - name: steps::clear_target_dir_if_large
       run: ./script/clear-target-dir-if-larger-than 250
       shell: bash -euxo pipefail {0}
@@ -200,9 +196,6 @@ jobs:
     - name: steps::clippy
       run: ./script/clippy
       shell: bash -euxo pipefail {0}
-    - name: steps::cargo_install_nextest
-      run: cargo install cargo-nextest --locked
-      shell: bash -euxo pipefail {0}
     - name: steps::clear_target_dir_if_large
       run: ./script/clear-target-dir-if-larger-than 300
       shell: bash -euxo pipefail {0}

.github/workflows/run_unit_evals.yml

@@ -1,17 +1,26 @@
-# Generated from xtask::workflows::run_agent_evals
+# Generated from xtask::workflows::run_unit_evals
 # Rebuild with `cargo xtask workflows`.
-name: run_agent_evals
+name: run_unit_evals
 env:
   CARGO_TERM_COLOR: always
   CARGO_INCREMENTAL: '0'
   RUST_BACKTRACE: '1'
   ZED_CLIENT_CHECKSUM_SEED: ${{ secrets.ZED_CLIENT_CHECKSUM_SEED }}
+  ZED_EVAL_TELEMETRY: '1'
+  MODEL_NAME: ${{ inputs.model_name }}
 on:
-  schedule:
-  - cron: 47 1 * * 2
-  workflow_dispatch: {}
+  workflow_dispatch:
+    inputs:
+      model_name:
+        description: model_name
+        required: true
+        type: string
+      commit_sha:
+        description: commit_sha
+        required: true
+        type: string
 jobs:
-  unit_evals:
+  run_unit_evals:
     runs-on: namespace-profile-16x32-ubuntu-2204
     steps:
     - name: steps::checkout_repo
@@ -37,8 +46,7 @@ jobs:
       run: ./script/download-wasi-sdk
       shell: bash -euxo pipefail {0}
     - name: steps::cargo_install_nextest
-      run: cargo install cargo-nextest --locked
-      shell: bash -euxo pipefail {0}
+      uses: taiki-e/install-action@nextest
     - name: steps::clear_target_dir_if_large
       run: ./script/clear-target-dir-if-larger-than 250
       shell: bash -euxo pipefail {0}
@@ -47,20 +55,15 @@ jobs:
       shell: bash -euxo pipefail {0}
       env:
         ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
-    - name: run_agent_evals::unit_evals::send_failure_to_slack
-      if: ${{ failure() }}
-      uses: slackapi/slack-github-action@b0fa283ad8fea605de13dc3f449259339835fc52
-      with:
-        method: chat.postMessage
-        token: ${{ secrets.SLACK_APP_ZED_UNIT_EVALS_BOT_TOKEN }}
-        payload: |
-          channel: C04UDRNNJFQ
-          text: "Unit Evals Failed: https://github.com/zed-industries/zed/actions/runs/${{ github.run_id }}"
+        OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
+        GOOGLE_AI_API_KEY: ${{ secrets.GOOGLE_AI_API_KEY }}
+        GOOGLE_CLOUD_PROJECT: ${{ secrets.GOOGLE_CLOUD_PROJECT }}
+        UNIT_EVAL_COMMIT: ${{ inputs.commit_sha }}
     - name: steps::cleanup_cargo_config
       if: always()
       run: |
         rm -rf ./../.cargo
       shell: bash -euxo pipefail {0}
 concurrency:
-  group: ${{ github.workflow }}-${{ github.ref_name }}-${{ github.ref_name == 'main' && github.sha || 'anysha' }}
+  group: ${{ github.workflow }}-${{ github.ref_name }}-${{ github.run_id }}
   cancel-in-progress: true

Cargo.lock

@@ -322,6 +322,7 @@ dependencies = [
  "assistant_slash_command",
  "assistant_slash_commands",
  "assistant_text_thread",
+ "async-fs",
  "audio",
  "buffer_diff",
  "chrono",
@@ -343,6 +344,7 @@ dependencies = [
  "gpui",
  "html_to_markdown",
  "http_client",
+ "image",
  "indoc",
  "itertools 0.14.0",
  "jsonschema",
@@ -1461,6 +1463,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "879b6c89592deb404ba4dc0ae6b58ffd1795c78991cbb5b8bc441c48a070440d"
 dependencies = [
  "aws-lc-sys",
+ "untrusted 0.7.1",
  "zeroize",
 ]
 
@@ -3208,6 +3211,7 @@ dependencies = [
  "rustc-hash 2.1.1",
  "schemars 1.0.4",
  "serde",
+ "serde_json",
  "strum 0.27.2",
 ]
 
@@ -3687,6 +3691,7 @@ dependencies = [
  "collections",
  "futures 0.3.31",
  "gpui",
+ "http_client",
  "log",
  "net",
  "parking_lot",
@@ -5311,6 +5316,7 @@ dependencies = [
  "serde_json",
  "settings",
  "supermaven",
+ "sweep_ai",
  "telemetry",
  "theme",
  "ui",
@@ -5860,6 +5866,7 @@ dependencies = [
  "lsp",
  "parking_lot",
  "pretty_assertions",
+ "proto",
  "semantic_version",
  "serde",
  "serde_json",
@@ -6248,7 +6255,7 @@ dependencies = [
  "futures-core",
  "futures-sink",
  "nanorand",
- "spin",
+ "spin 0.9.8",
 ]
 
 [[package]]
@@ -6359,9 +6366,9 @@ checksum = "aa9a19cbb55df58761df49b23516a86d432839add4af60fc256da840f66ed35b"
 
 [[package]]
 name = "fork"
-version = "0.2.0"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05dc8b302e04a1c27f4fe694439ef0f29779ca4edc205b7b58f00db04e29656d"
+checksum = "30268f1eefccc9d72f43692e8b89e659aeb52e84016c3b32b6e7e9f1c8f38f94"
 dependencies = [
  "libc",
 ]
@@ -7287,6 +7294,7 @@ dependencies = [
  "calloop",
  "calloop-wayland-source",
  "cbindgen",
+ "circular-buffer",
  "cocoa 0.26.0",
  "cocoa-foundation 0.2.0",
  "collections",
@@ -7342,6 +7350,7 @@ dependencies = [
  "slotmap",
  "smallvec",
  "smol",
+ "spin 0.10.0",
  "stacksafe",
  "strum 0.27.2",
  "sum_tree",
@@ -8656,23 +8665,25 @@ dependencies = [
 
 [[package]]
 name = "jupyter-protocol"
-version = "0.6.0"
-source = "git+https://github.com/ConradIrwin/runtimed?rev=7130c804216b6914355d15d0b91ea91f6babd734#7130c804216b6914355d15d0b91ea91f6babd734"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9c047f6b5e551563af2ddb13dafed833f0ec5a5b0f9621d5ad740a9ff1e1095"
 dependencies = [
- "anyhow",
  "async-trait",
  "bytes 1.10.1",
  "chrono",
  "futures 0.3.31",
  "serde",
  "serde_json",
+ "thiserror 2.0.17",
  "uuid",
 ]
 
 [[package]]
 name = "jupyter-websocket-client"
-version = "0.9.0"
-source = "git+https://github.com/ConradIrwin/runtimed?rev=7130c804216b6914355d15d0b91ea91f6babd734#7130c804216b6914355d15d0b91ea91f6babd734"
+version = "0.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4197fa926a6b0bddfed7377d9fed3d00a0dec44a1501e020097bd26604699cae"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -8681,6 +8692,7 @@ dependencies = [
  "jupyter-protocol",
  "serde",
  "serde_json",
+ "tokio",
  "url",
  "uuid",
 ]
@@ -8718,7 +8730,6 @@ dependencies = [
  "ui",
  "ui_input",
  "util",
- "vim",
  "workspace",
  "zed_actions",
 ]
@@ -8870,6 +8881,7 @@ dependencies = [
  "icons",
  "image",
  "log",
+ "open_ai",
  "open_router",
  "parking_lot",
  "proto",
@@ -9072,7 +9084,7 @@ version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
 dependencies = [
- "spin",
+ "spin 0.9.8",
 ]
 
 [[package]]
@@ -10014,6 +10026,18 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
 
+[[package]]
+name = "miniprofiler_ui"
+version = "0.1.0"
+dependencies = [
+ "gpui",
+ "serde_json",
+ "smol",
+ "util",
+ "workspace",
+ "zed_actions",
+]
+
 [[package]]
 name = "miniz_oxide"
 version = "0.8.9"
@@ -10218,8 +10242,9 @@ dependencies = [
 
 [[package]]
 name = "nbformat"
-version = "0.10.0"
-source = "git+https://github.com/ConradIrwin/runtimed?rev=7130c804216b6914355d15d0b91ea91f6babd734#7130c804216b6914355d15d0b91ea91f6babd734"
+version = "0.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89c7229d604d847227002715e1235cd84e81919285d904ccb290a42ecc409348"
 dependencies = [
  "anyhow",
  "chrono",
@@ -10505,11 +10530,10 @@ dependencies = [
 
 [[package]]
 name = "num-bigint-dig"
-version = "0.8.4"
+version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc84195820f291c7697304f3cbdadd1cb7199c0efc917ff5eafd71225c136151"
+checksum = "e661dda6640fad38e827a6d4a310ff4763082116fe217f279885c97f511bb0b7"
 dependencies = [
- "byteorder",
  "lazy_static",
  "libm",
  "num-integer",
@@ -11012,6 +11036,7 @@ dependencies = [
  "serde_json",
  "settings",
  "strum 0.27.2",
+ "thiserror 2.0.17",
 ]
 
 [[package]]
@@ -13051,6 +13076,23 @@ dependencies = [
  "zlog",
 ]
 
+[[package]]
+name = "project_benchmarks"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "clap",
+ "client",
+ "futures 0.3.31",
+ "gpui",
+ "http_client",
+ "language",
+ "node_runtime",
+ "project",
+ "settings",
+ "watch",
+]
+
 [[package]]
 name = "project_panel"
 version = "0.1.0"
@@ -13078,6 +13120,7 @@ dependencies = [
  "settings",
  "smallvec",
  "telemetry",
+ "tempfile",
  "theme",
  "ui",
  "util",
@@ -13996,6 +14039,7 @@ dependencies = [
  "paths",
  "pretty_assertions",
  "project",
+ "prompt_store",
  "proto",
  "rayon",
  "release_channel",
@@ -14241,7 +14285,7 @@ dependencies = [
  "cfg-if",
  "getrandom 0.2.16",
  "libc",
- "untrusted",
+ "untrusted 0.9.0",
  "windows-sys 0.52.0",
 ]
 
@@ -14370,9 +14414,9 @@ dependencies = [
 
 [[package]]
 name = "rsa"
-version = "0.9.8"
+version = "0.9.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "78928ac1ed176a5ca1d17e578a1825f3d81ca54cf41053a592584b020cfd691b"
+checksum = "40a0376c50d0358279d9d643e4bf7b7be212f1f4ff1da9070a7b54d22ef75c88"
 dependencies = [
  "const-oid",
  "digest",
@@ -14422,25 +14466,26 @@ dependencies = [
 
 [[package]]
 name = "runtimelib"
-version = "0.25.0"
-source = "git+https://github.com/ConradIrwin/runtimed?rev=7130c804216b6914355d15d0b91ea91f6babd734#7130c804216b6914355d15d0b91ea91f6babd734"
+version = "0.30.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "481b48894073a0096f28cbe9860af01fc1b861e55b3bc96afafc645ee3de62dc"
 dependencies = [
- "anyhow",
  "async-dispatcher",
  "async-std",
+ "aws-lc-rs",
  "base64 0.22.1",
  "bytes 1.10.1",
  "chrono",
  "data-encoding",
- "dirs 5.0.1",
+ "dirs 6.0.0",
  "futures 0.3.31",
  "glob",
  "jupyter-protocol",
- "ring",
  "serde",
  "serde_json",
  "shellexpand 3.1.1",
  "smol",
+ "thiserror 2.0.17",
  "uuid",
  "zeromq",
 ]
@@ -14708,7 +14753,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b6275d1ee7a1cd780b64aca7726599a1dbc893b1e64144529e55c3c2f745765"
 dependencies = [
  "ring",
- "untrusted",
+ "untrusted 0.9.0",
 ]
 
 [[package]]
@@ -14720,7 +14765,7 @@ dependencies = [
  "aws-lc-rs",
  "ring",
  "rustls-pki-types",
- "untrusted",
+ "untrusted 0.9.0",
 ]
 
 [[package]]
@@ -14950,7 +14995,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "da046153aa2352493d6cb7da4b6e5c0c057d8a1d0a9aa8560baffdd945acd414"
 dependencies = [
  "ring",
- "untrusted",
+ "untrusted 0.9.0",
 ]
 
 [[package]]
@@ -15853,6 +15898,15 @@ dependencies = [
  "lock_api",
 ]
 
+[[package]]
+name = "spin"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d5fe4ccb98d9c292d56fec89a5e07da7fc4cf0dc11e156b41793132775d3e591"
+dependencies = [
+ "lock_api",
+]
+
 [[package]]
 name = "spirv"
 version = "0.3.0+sdk-1.3.268.0"
@@ -16538,6 +16592,33 @@ dependencies = [
  "zeno",
 ]
 
+[[package]]
+name = "sweep_ai"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "arrayvec",
+ "brotli",
+ "client",
+ "collections",
+ "edit_prediction",
+ "feature_flags",
+ "futures 0.3.31",
+ "gpui",
+ "http_client",
+ "indoc",
+ "language",
+ "project",
+ "release_channel",
+ "reqwest_client",
+ "serde",
+ "serde_json",
+ "tree-sitter-rust",
+ "util",
+ "workspace",
+ "zlog",
+]
+
 [[package]]
 name = "symphonia"
 version = "0.5.5"
@@ -18534,6 +18615,12 @@ version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "673aac59facbab8a9007c7f6108d11f63b603f7cabff99fabf650fea5c32b861"
 
+[[package]]
+name = "untrusted"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a156c684c91ea7d62626509bce3cb4e1d9ed5c4d978f7b4352658f96a4c26b4a"
+
 [[package]]
 name = "untrusted"
 version = "0.9.0"
@@ -21146,7 +21233,7 @@ dependencies = [
 
 [[package]]
 name = "zed"
-version = "0.213.0"
+version = "0.214.0"
 dependencies = [
  "acp_tools",
  "activity_indicator",
@@ -21159,11 +21246,11 @@ dependencies = [
  "audio",
  "auto_update",
  "auto_update_ui",
- "backtrace",
  "bincode 1.3.3",
  "breadcrumbs",
  "call",
  "channel",
+ "chrono",
  "clap",
  "cli",
  "client",
@@ -21221,8 +21308,8 @@ dependencies = [
  "menu",
  "migrator",
  "mimalloc",
+ "miniprofiler_ui",
  "nc",
- "nix 0.29.0",
  "node_runtime",
  "notifications",
  "onboarding",
@@ -21258,13 +21345,13 @@ dependencies = [
  "snippets_ui",
  "supermaven",
  "svg_preview",
+ "sweep_ai",
  "sysinfo 0.37.2",
  "system_specs",
  "tab_switcher",
  "task",
  "tasks_ui",
  "telemetry",
- "telemetry_events",
  "terminal_view",
  "theme",
  "theme_extension",
@@ -21693,6 +21780,7 @@ dependencies = [
  "serde_json",
  "settings",
  "smol",
+ "strsim",
  "thiserror 2.0.17",
  "util",
  "uuid",

Cargo.toml

@@ -110,6 +110,7 @@ members = [
     "crates/menu",
     "crates/migrator",
     "crates/mistral",
+    "crates/miniprofiler_ui",
     "crates/multi_buffer",
     "crates/nc",
     "crates/net",
@@ -126,6 +127,7 @@ members = [
     "crates/picker",
     "crates/prettier",
     "crates/project",
+    "crates/project_benchmarks",
     "crates/project_panel",
     "crates/project_symbols",
     "crates/prompt_store",
@@ -163,6 +165,7 @@ members = [
     "crates/sum_tree",
     "crates/supermaven",
     "crates/supermaven_api",
+    "crates/sweep_ai",
     "crates/codestral",
     "crates/svg_preview",
     "crates/system_specs",
@@ -341,6 +344,7 @@ menu = { path = "crates/menu" }
 migrator = { path = "crates/migrator" }
 mistral = { path = "crates/mistral" }
 multi_buffer = { path = "crates/multi_buffer" }
+miniprofiler_ui = { path = "crates/miniprofiler_ui" }
 nc = { path = "crates/nc" }
 net = { path = "crates/net" }
 node_runtime = { path = "crates/node_runtime" }
@@ -395,6 +399,7 @@ streaming_diff = { path = "crates/streaming_diff" }
 sum_tree = { path = "crates/sum_tree" }
 supermaven = { path = "crates/supermaven" }
 supermaven_api = { path = "crates/supermaven_api" }
+sweep_ai = { path = "crates/sweep_ai" }
 codestral = { path = "crates/codestral" }
 system_specs = { path = "crates/system_specs" }
 tab_switcher = { path = "crates/tab_switcher" }
@@ -475,6 +480,7 @@ bitflags = "2.6.0"
 blade-graphics = { version = "0.7.0" }
 blade-macros = { version = "0.3.0" }
 blade-util = { version = "0.3.0" }
+brotli = "8.0.2"
 bytes = "1.0"
 cargo_metadata = "0.19"
 cargo_toml = "0.21"
@@ -482,7 +488,7 @@ cfg-if = "1.0.3"
 chrono = { version = "0.4", features = ["serde"] }
 ciborium = "0.2"
 circular-buffer = "1.0"
-clap = { version = "4.4", features = ["derive"] }
+clap = { version = "4.4", features = ["derive", "wrap_help"] }
 cocoa = "=0.26.0"
 cocoa-foundation = "=0.2.0"
 convert_case = "0.8.0"
@@ -504,7 +510,7 @@ emojis = "0.6.1"
 env_logger = "0.11"
 exec = "0.3.1"
 fancy-regex = "0.14.0"
-fork = "0.2.0"
+fork = "0.4.0"
 futures = "0.3"
 futures-batch = "0.6.1"
 futures-lite = "1.13"
@@ -531,8 +537,8 @@ itertools = "0.14.0"
 json_dotpath = "1.1"
 jsonschema = "0.30.0"
 jsonwebtoken = "9.3"
-jupyter-protocol = { git = "https://github.com/ConradIrwin/runtimed", rev = "7130c804216b6914355d15d0b91ea91f6babd734" }
-jupyter-websocket-client = {  git = "https://github.com/ConradIrwin/runtimed" ,rev = "7130c804216b6914355d15d0b91ea91f6babd734" }
+jupyter-protocol = "0.10.0"
+jupyter-websocket-client = "0.15.0"
 libc = "0.2"
 libsqlite3-sys = { version = "0.30.1", features = ["bundled"] }
 linkify = "0.10.0"
@@ -545,7 +551,7 @@ minidumper = "0.8"
 moka = { version = "0.12.10", features = ["sync"] }
 naga = { version = "25.0", features = ["wgsl-in"] }
 nanoid = "0.4"
-nbformat = {  git = "https://github.com/ConradIrwin/runtimed", rev = "7130c804216b6914355d15d0b91ea91f6babd734" }
+nbformat = "0.15.0"
 nix = "0.29"
 num-format = "0.4.4"
 num-traits = "0.2"
@@ -616,8 +622,8 @@ reqwest = { git = "https://github.com/zed-industries/reqwest.git", rev = "c15662
     "stream",
 ], package = "zed-reqwest", version = "0.12.15-zed" }
 rsa = "0.9.6"
-runtimelib = {  git = "https://github.com/ConradIrwin/runtimed", rev = "7130c804216b6914355d15d0b91ea91f6babd734", default-features = false, features = [
-    "async-dispatcher-runtime",
+runtimelib = { version = "0.30.0", default-features = false, features = [
+    "async-dispatcher-runtime", "aws-lc-rs"
 ] }
 rust-embed = { version = "8.4", features = ["include-exclude"] }
 rustc-hash = "2.1.0"
@@ -628,6 +634,7 @@ scap = { git = "https://github.com/zed-industries/scap", rev = "4afea48c3b002197
 schemars = { version = "1.0", features = ["indexmap2"] }
 semver = "1.0"
 serde = { version = "1.0.221", features = ["derive", "rc"] }
+serde_derive = "1.0.221"
 serde_json = { version = "1.0.144", features = ["preserve_order", "raw_value"] }
 serde_json_lenient = { version = "0.2", features = [
     "preserve_order",
@@ -721,6 +728,7 @@ yawc = "0.2.5"
 zeroize = "1.8"
 zstd = "0.11"
 
+
 [workspace.dependencies.windows]
 version = "0.61"
 features = [
@@ -789,6 +797,19 @@ codegen-units = 16
 codegen-units = 16
 
 [profile.dev.package]
+# proc-macros start
+gpui_macros = { opt-level = 3 }
+derive_refineable = { opt-level = 3 }
+settings_macros = { opt-level = 3 }
+sqlez_macros = { opt-level = 3, codegen-units = 1 }
+ui_macros = { opt-level = 3 }
+util_macros = { opt-level = 3 }
+serde_derive = { opt-level = 3 }
+quote = { opt-level = 3 }
+syn = { opt-level = 3 }
+proc-macro2 = { opt-level = 3 }
+# proc-macros end
+
 taffy = { opt-level = 3 }
 cranelift-codegen = { opt-level = 3 }
 cranelift-codegen-meta = { opt-level = 3 }
@@ -830,7 +851,6 @@ semantic_version = { codegen-units = 1 }
 session = { codegen-units = 1 }
 snippet = { codegen-units = 1 }
 snippets_ui = { codegen-units = 1 }
-sqlez_macros = { codegen-units = 1 }
 story = { codegen-units = 1 }
 supermaven_api = { codegen-units = 1 }
 telemetry_events = { codegen-units = 1 }

Dockerfile-collab

@@ -1,6 +1,6 @@
 # syntax = docker/dockerfile:1.2
 
-FROM rust:1.90-bookworm as builder
+FROM rust:1.91.1-bookworm as builder
 WORKDIR app
 COPY . .
 

REVIEWERS.conl

@@ -44,6 +44,7 @@ design
 
 docs
   = @probably-neb
+  = @miguelraz
 
 extension
   = @kubkon
@@ -98,6 +99,9 @@ settings_ui
   = @danilo-leal
   = @probably-neb
 
+support
+  = @miguelraz
+
 tasks
   = @SomeoneToIgnore
   = @Veykril

assets/icons/sweep_ai.svg

@@ -0,0 +1,32 @@
+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<g clip-path="url(#clip0_3348_16)">
+<path fill-rule="evenodd" clip-rule="evenodd" d="M7.97419 6.27207C8.44653 6.29114 8.86622 6.27046 9.23628 6.22425C9.08884 7.48378 8.7346 8.72903 8.16697 9.90688C8.04459 9.83861 7.92582 9.76008 7.81193 9.67108C7.64539 9.54099 7.49799 9.39549 7.37015 9.23818C7.5282 9.54496 7.64901 9.86752 7.73175 10.1986C7.35693 10.6656 6.90663 11.0373 6.412 11.3101C5.01165 10.8075 4.03638 9.63089 4.03638 7.93001C4.03638 6.96185 4.35234 6.07053 4.88281 5.36157C5.34001 5.69449 6.30374 6.20455 7.97419 6.27207ZM8.27511 11.5815C10.3762 11.5349 11.8115 10.7826 12.8347 7.93001C11.6992 7.93001 11.4246 7.10731 11.1188 6.19149C11.0669 6.03596 11.0141 5.87771 10.956 5.72037C10.6733 5.86733 10.2753 6.02782 9.74834 6.13895C9.59658 7.49345 9.20592 8.83238 8.56821 10.0897C8.89933 10.2093 9.24674 10.262 9.5908 10.2502C9.08928 10.4803 8.62468 10.8066 8.22655 11.2255C8.2457 11.3438 8.26186 11.4625 8.27511 11.5815ZM6.62702 7.75422C6.62702 7.50604 6.82821 7.30485 7.07639 7.30485C7.32457 7.30485 7.52576 7.50604 7.52576 7.75422V8.23616C7.52576 8.48435 7.32457 8.68554 7.07639 8.68554C6.82821 8.68554 6.62702 8.48435 6.62702 8.23616V7.75422ZM5.27746 7.30485C5.05086 7.30485 4.86716 7.48854 4.86716 7.71513V8.27525C4.86716 8.50185 5.05086 8.68554 5.27746 8.68554C5.50406 8.68554 5.68776 8.50185 5.68776 8.27525V7.71513C5.68776 7.48854 5.50406 7.30485 5.27746 7.30485Z" fill="white"/>
+<mask id="mask0_3348_16" style="mask-type:luminance" maskUnits="userSpaceOnUse" x="4" y="5" width="9" height="7">
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assets/keymaps/default-macos.json

@@ -313,7 +313,7 @@
     "use_key_equivalents": true,
     "bindings": {
       "cmd-n": "agent::NewTextThread",
-      "cmd-alt-t": "agent::NewThread"
+      "cmd-alt-n": "agent::NewExternalAgentThread"
     }
   },
   {

assets/keymaps/vim.json

@@ -421,12 +421,6 @@
       "ctrl-[": "editor::Cancel"
     }
   },
-  {
-    "context": "vim_mode == helix_select && !menu",
-    "bindings": {
-      "escape": "vim::SwitchToHelixNormalMode"
-    }
-  },
   {
     "context": "(vim_mode == helix_normal || vim_mode == helix_select) && !menu",
     "bindings": {

assets/settings/default.json

@@ -742,14 +742,31 @@
       //    "never"
       "show": "always"
     },
+    // Sort order for entries in the project panel.
+    // This setting can take three values:
+    //
+    // 1. Show directories first, then files:
+    //    "directories_first"
+    // 2. Mix directories and files together:
+    //    "mixed"
+    // 3. Show files first, then directories:
+    //    "files_first"
+    "sort_mode": "directories_first",
     // Whether to enable drag-and-drop operations in the project panel.
     "drag_and_drop": true,
     // Whether to hide the root entry when only one folder is open in the window.
     "hide_root": false,
     // Whether to hide the hidden entries in the project panel.
     "hide_hidden": false,
-    // Whether to automatically open files when pasting them in the project panel.
-    "open_file_on_paste": true
+    // Settings for automatically opening files.
+    "auto_open": {
+      // Whether to automatically open newly created files in the editor.
+      "on_create": true,
+      // Whether to automatically open files after pasting or duplicating them.
+      "on_paste": true,
+      // Whether to automatically open files dropped from external sources.
+      "on_drop": true
+    }
   },
   "outline_panel": {
     // Whether to show the outline panel button in the status bar
@@ -1543,6 +1560,8 @@
     // Default: 10_000, maximum: 100_000 (all bigger values set will be treated as 100_000), 0 disables the scrolling.
     // Existing terminals will not pick up this change until they are recreated.
     "max_scroll_history_lines": 10000,
+    // The multiplier for scrolling speed in the terminal.
+    "scroll_multiplier": 1.0,
     // The minimum APCA perceptual contrast between foreground and background colors.
     // APCA (Accessible Perceptual Contrast Algorithm) is more accurate than WCAG 2.x,
     // especially for dark mode. Values range from 0 to 106.

crates/acp_thread/src/acp_thread.rs

@@ -1866,10 +1866,14 @@ impl AcpThread {
             .checkpoint
             .as_ref()
             .map(|c| c.git_checkpoint.clone());
+
+        // Cancel any in-progress generation before restoring
+        let cancel_task = self.cancel(cx);
         let rewind = self.rewind(id.clone(), cx);
         let git_store = self.project.read(cx).git_store().clone();
 
         cx.spawn(async move |_, cx| {
+            cancel_task.await;
             rewind.await?;
             if let Some(checkpoint) = checkpoint {
                 git_store
@@ -1894,9 +1898,25 @@ impl AcpThread {
             cx.update(|cx| truncate.run(id.clone(), cx))?.await?;
             this.update(cx, |this, cx| {
                 if let Some((ix, _)) = this.user_message_mut(&id) {
+                    // Collect all terminals from entries that will be removed
+                    let terminals_to_remove: Vec<acp::TerminalId> = this.entries[ix..]
+                        .iter()
+                        .flat_map(|entry| entry.terminals())
+                        .filter_map(|terminal| terminal.read(cx).id().clone().into())
+                        .collect();
+
                     let range = ix..this.entries.len();
                     this.entries.truncate(ix);
                     cx.emit(AcpThreadEvent::EntriesRemoved(range));
+
+                    // Kill and remove the terminals
+                    for terminal_id in terminals_to_remove {
+                        if let Some(terminal) = this.terminals.remove(&terminal_id) {
+                            terminal.update(cx, |terminal, cx| {
+                                terminal.kill(cx);
+                            });
+                        }
+                    }
                 }
                 this.action_log().update(cx, |action_log, cx| {
                     action_log.reject_all_edits(Some(telemetry), cx)
@@ -3803,4 +3823,314 @@ mod tests {
             }
         });
     }
+
+    /// Tests that restoring a checkpoint properly cleans up terminals that were
+    /// created after that checkpoint, and cancels any in-progress generation.
+    ///
+    /// Reproduces issue #35142: When a checkpoint is restored, any terminal processes
+    /// that were started after that checkpoint should be terminated, and any in-progress
+    /// AI generation should be canceled.
+    #[gpui::test]
+    async fn test_restore_checkpoint_kills_terminal(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = FakeFs::new(cx.executor());
+        let project = Project::test(fs, [], cx).await;
+        let connection = Rc::new(FakeAgentConnection::new());
+        let thread = cx
+            .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
+            .await
+            .unwrap();
+
+        // Send first user message to create a checkpoint
+        cx.update(|cx| {
+            thread.update(cx, |thread, cx| {
+                thread.send(vec!["first message".into()], cx)
+            })
+        })
+        .await
+        .unwrap();
+
+        // Send second message (creates another checkpoint) - we'll restore to this one
+        cx.update(|cx| {
+            thread.update(cx, |thread, cx| {
+                thread.send(vec!["second message".into()], cx)
+            })
+        })
+        .await
+        .unwrap();
+
+        // Create 2 terminals BEFORE the checkpoint that have completed running
+        let terminal_id_1 = acp::TerminalId(uuid::Uuid::new_v4().to_string().into());
+        let mock_terminal_1 = cx.new(|cx| {
+            let builder = ::terminal::TerminalBuilder::new_display_only(
+                ::terminal::terminal_settings::CursorShape::default(),
+                ::terminal::terminal_settings::AlternateScroll::On,
+                None,
+                0,
+            )
+            .unwrap();
+            builder.subscribe(cx)
+        });
+
+        thread.update(cx, |thread, cx| {
+            thread.on_terminal_provider_event(
+                TerminalProviderEvent::Created {
+                    terminal_id: terminal_id_1.clone(),
+                    label: "echo 'first'".to_string(),
+                    cwd: Some(PathBuf::from("/test")),
+                    output_byte_limit: None,
+                    terminal: mock_terminal_1.clone(),
+                },
+                cx,
+            );
+        });
+
+        thread.update(cx, |thread, cx| {
+            thread.on_terminal_provider_event(
+                TerminalProviderEvent::Output {
+                    terminal_id: terminal_id_1.clone(),
+                    data: b"first\n".to_vec(),
+                },
+                cx,
+            );
+        });
+
+        thread.update(cx, |thread, cx| {
+            thread.on_terminal_provider_event(
+                TerminalProviderEvent::Exit {
+                    terminal_id: terminal_id_1.clone(),
+                    status: acp::TerminalExitStatus {
+                        exit_code: Some(0),
+                        signal: None,
+                        meta: None,
+                    },
+                },
+                cx,
+            );
+        });
+
+        let terminal_id_2 = acp::TerminalId(uuid::Uuid::new_v4().to_string().into());
+        let mock_terminal_2 = cx.new(|cx| {
+            let builder = ::terminal::TerminalBuilder::new_display_only(
+                ::terminal::terminal_settings::CursorShape::default(),
+                ::terminal::terminal_settings::AlternateScroll::On,
+                None,
+                0,
+            )
+            .unwrap();
+            builder.subscribe(cx)
+        });
+
+        thread.update(cx, |thread, cx| {
+            thread.on_terminal_provider_event(
+                TerminalProviderEvent::Created {
+                    terminal_id: terminal_id_2.clone(),
+                    label: "echo 'second'".to_string(),
+                    cwd: Some(PathBuf::from("/test")),
+                    output_byte_limit: None,
+                    terminal: mock_terminal_2.clone(),
+                },
+                cx,
+            );
+        });
+
+        thread.update(cx, |thread, cx| {
+            thread.on_terminal_provider_event(
+                TerminalProviderEvent::Output {
+                    terminal_id: terminal_id_2.clone(),
+                    data: b"second\n".to_vec(),
+                },
+                cx,
+            );
+        });
+
+        thread.update(cx, |thread, cx| {
+            thread.on_terminal_provider_event(
+                TerminalProviderEvent::Exit {
+                    terminal_id: terminal_id_2.clone(),
+                    status: acp::TerminalExitStatus {
+                        exit_code: Some(0),
+                        signal: None,
+                        meta: None,
+                    },
+                },
+                cx,
+            );
+        });
+
+        // Get the second message ID to restore to
+        let second_message_id = thread.read_with(cx, |thread, _| {
+            // At this point we have:
+            // - Index 0: First user message (with checkpoint)
+            // - Index 1: Second user message (with checkpoint)
+            // No assistant responses because FakeAgentConnection just returns EndTurn
+            let AgentThreadEntry::UserMessage(message) = &thread.entries[1] else {
+                panic!("expected user message at index 1");
+            };
+            message.id.clone().unwrap()
+        });
+
+        // Create a terminal AFTER the checkpoint we'll restore to.
+        // This simulates the AI agent starting a long-running terminal command.
+        let terminal_id = acp::TerminalId(uuid::Uuid::new_v4().to_string().into());
+        let mock_terminal = cx.new(|cx| {
+            let builder = ::terminal::TerminalBuilder::new_display_only(
+                ::terminal::terminal_settings::CursorShape::default(),
+                ::terminal::terminal_settings::AlternateScroll::On,
+                None,
+                0,
+            )
+            .unwrap();
+            builder.subscribe(cx)
+        });
+
+        // Register the terminal as created
+        thread.update(cx, |thread, cx| {
+            thread.on_terminal_provider_event(
+                TerminalProviderEvent::Created {
+                    terminal_id: terminal_id.clone(),
+                    label: "sleep 1000".to_string(),
+                    cwd: Some(PathBuf::from("/test")),
+                    output_byte_limit: None,
+                    terminal: mock_terminal.clone(),
+                },
+                cx,
+            );
+        });
+
+        // Simulate the terminal producing output (still running)
+        thread.update(cx, |thread, cx| {
+            thread.on_terminal_provider_event(
+                TerminalProviderEvent::Output {
+                    terminal_id: terminal_id.clone(),
+                    data: b"terminal is running...\n".to_vec(),
+                },
+                cx,
+            );
+        });
+
+        // Create a tool call entry that references this terminal
+        // This represents the agent requesting a terminal command
+        thread.update(cx, |thread, cx| {
+            thread
+                .handle_session_update(
+                    acp::SessionUpdate::ToolCall(acp::ToolCall {
+                        id: acp::ToolCallId("terminal-tool-1".into()),
+                        title: "Running command".into(),
+                        kind: acp::ToolKind::Execute,
+                        status: acp::ToolCallStatus::InProgress,
+                        content: vec![acp::ToolCallContent::Terminal {
+                            terminal_id: terminal_id.clone(),
+                        }],
+                        locations: vec![],
+                        raw_input: Some(
+                            serde_json::json!({"command": "sleep 1000", "cd": "/test"}),
+                        ),
+                        raw_output: None,
+                        meta: None,
+                    }),
+                    cx,
+                )
+                .unwrap();
+        });
+
+        // Verify terminal exists and is in the thread
+        let terminal_exists_before =
+            thread.read_with(cx, |thread, _| thread.terminals.contains_key(&terminal_id));
+        assert!(
+            terminal_exists_before,
+            "Terminal should exist before checkpoint restore"
+        );
+
+        // Verify the terminal's underlying task is still running (not completed)
+        let terminal_running_before = thread.read_with(cx, |thread, _cx| {
+            let terminal_entity = thread.terminals.get(&terminal_id).unwrap();
+            terminal_entity.read_with(cx, |term, _cx| {
+                term.output().is_none() // output is None means it's still running
+            })
+        });
+        assert!(
+            terminal_running_before,
+            "Terminal should be running before checkpoint restore"
+        );
+
+        // Verify we have the expected entries before restore
+        let entry_count_before = thread.read_with(cx, |thread, _| thread.entries.len());
+        assert!(
+            entry_count_before > 1,
+            "Should have multiple entries before restore"
+        );
+
+        // Restore the checkpoint to the second message.
+        // This should:
+        // 1. Cancel any in-progress generation (via the cancel() call)
+        // 2. Remove the terminal that was created after that point
+        thread
+            .update(cx, |thread, cx| {
+                thread.restore_checkpoint(second_message_id, cx)
+            })
+            .await
+            .unwrap();
+
+        // Verify that no send_task is in progress after restore
+        // (cancel() clears the send_task)
+        let has_send_task_after = thread.read_with(cx, |thread, _| thread.send_task.is_some());
+        assert!(
+            !has_send_task_after,
+            "Should not have a send_task after restore (cancel should have cleared it)"
+        );
+
+        // Verify the entries were truncated (restoring to index 1 truncates at 1, keeping only index 0)
+        let entry_count = thread.read_with(cx, |thread, _| thread.entries.len());
+        assert_eq!(
+            entry_count, 1,
+            "Should have 1 entry after restore (only the first user message)"
+        );
+
+        // Verify the 2 completed terminals from before the checkpoint still exist
+        let terminal_1_exists = thread.read_with(cx, |thread, _| {
+            thread.terminals.contains_key(&terminal_id_1)
+        });
+        assert!(
+            terminal_1_exists,
+            "Terminal 1 (from before checkpoint) should still exist"
+        );
+
+        let terminal_2_exists = thread.read_with(cx, |thread, _| {
+            thread.terminals.contains_key(&terminal_id_2)
+        });
+        assert!(
+            terminal_2_exists,
+            "Terminal 2 (from before checkpoint) should still exist"
+        );
+
+        // Verify they're still in completed state
+        let terminal_1_completed = thread.read_with(cx, |thread, _cx| {
+            let terminal_entity = thread.terminals.get(&terminal_id_1).unwrap();
+            terminal_entity.read_with(cx, |term, _cx| term.output().is_some())
+        });
+        assert!(terminal_1_completed, "Terminal 1 should still be completed");
+
+        let terminal_2_completed = thread.read_with(cx, |thread, _cx| {
+            let terminal_entity = thread.terminals.get(&terminal_id_2).unwrap();
+            terminal_entity.read_with(cx, |term, _cx| term.output().is_some())
+        });
+        assert!(terminal_2_completed, "Terminal 2 should still be completed");
+
+        // Verify the running terminal (created after checkpoint) was removed
+        let terminal_3_exists =
+            thread.read_with(cx, |thread, _| thread.terminals.contains_key(&terminal_id));
+        assert!(
+            !terminal_3_exists,
+            "Terminal 3 (created after checkpoint) should have been removed"
+        );
+
+        // Verify total count is 2 (the two from before the checkpoint)
+        let terminal_count = thread.read_with(cx, |thread, _| thread.terminals.len());
+        assert_eq!(
+            terminal_count, 2,
+            "Should have exactly 2 terminals (the completed ones from before checkpoint)"
+        );
+    }
 }

crates/agent/src/agent.rs

@@ -133,9 +133,7 @@ impl LanguageModels {
             for model in provider.provided_models(cx) {
                 let model_info = Self::map_language_model_to_info(&model, &provider);
                 let model_id = model_info.id.clone();
-                if !recommended_models.contains(&(model.provider_id(), model.id())) {
-                    provider_models.push(model_info);
-                }
+                provider_models.push(model_info);
                 models.insert(model_id, model);
             }
             if !provider_models.is_empty() {

crates/agent/src/db.rs

@@ -150,6 +150,7 @@ impl DbThread {
                                     .unwrap_or_default(),
                                 input: tool_use.input,
                                 is_input_complete: true,
+                                thought_signature: None,
                             },
                         ));
                     }

crates/agent/src/edit_agent/edit_parser.rs

@@ -15,12 +15,14 @@ const SEPARATOR_MARKER: &str = "=======";
 const REPLACE_MARKER: &str = ">>>>>>> REPLACE";
 const SONNET_PARAMETER_INVOKE_1: &str = "</parameter>\n</invoke>";
 const SONNET_PARAMETER_INVOKE_2: &str = "</parameter></invoke>";
-const END_TAGS: [&str; 5] = [
+const SONNET_PARAMETER_INVOKE_3: &str = "</parameter>";
+const END_TAGS: [&str; 6] = [
     OLD_TEXT_END_TAG,
     NEW_TEXT_END_TAG,
     EDITS_END_TAG,
-    SONNET_PARAMETER_INVOKE_1, // Remove this after switching to streaming tool call
+    SONNET_PARAMETER_INVOKE_1, // Remove these after switching to streaming tool call
     SONNET_PARAMETER_INVOKE_2,
+    SONNET_PARAMETER_INVOKE_3,
 ];
 
 #[derive(Debug)]
@@ -567,21 +569,29 @@ mod tests {
             parse_random_chunks(
                 indoc! {"
                     <old_text>some text</old_text><new_text>updated text</parameter></invoke>
+                    <old_text>more text</old_text><new_text>upd</parameter></new_text>
                 "},
                 &mut parser,
                 &mut rng
             ),
-            vec![Edit {
-                old_text: "some text".to_string(),
-                new_text: "updated text".to_string(),
-                line_hint: None,
-            },]
+            vec![
+                Edit {
+                    old_text: "some text".to_string(),
+                    new_text: "updated text".to_string(),
+                    line_hint: None,
+                },
+                Edit {
+                    old_text: "more text".to_string(),
+                    new_text: "upd".to_string(),
+                    line_hint: None,
+                },
+            ]
         );
         assert_eq!(
             parser.finish(),
             EditParserMetrics {
-                tags: 2,
-                mismatched_tags: 1
+                tags: 4,
+                mismatched_tags: 2
             }
         );
     }

crates/agent/src/edit_agent/evals.rs

@@ -1108,6 +1108,7 @@ fn tool_use(
         raw_input: serde_json::to_string_pretty(&input).unwrap(),
         input: serde_json::to_value(input).unwrap(),
         is_input_complete: true,
+        thought_signature: None,
     })
 }
 

crates/agent/src/outline.rs

@@ -44,6 +44,25 @@ pub async fn get_buffer_content_or_outline(
                 .collect::<Vec<_>>()
         })?;
 
+        // If no outline exists, fall back to first 1KB so the agent has some context
+        if outline_items.is_empty() {
+            let text = buffer.read_with(cx, |buffer, _| {
+                let snapshot = buffer.snapshot();
+                let len = snapshot.len().min(1024);
+                let content = snapshot.text_for_range(0..len).collect::<String>();
+                if let Some(path) = path {
+                    format!("# First 1KB of {path} (file too large to show full content, and no outline available)\n\n{content}")
+                } else {
+                    format!("# First 1KB of file (file too large to show full content, and no outline available)\n\n{content}")
+                }
+            })?;
+
+            return Ok(BufferContent {
+                text,
+                is_outline: false,
+            });
+        }
+
         let outline_text = render_outline(outline_items, None, 0, usize::MAX).await?;
 
         let text = if let Some(path) = path {
@@ -140,3 +159,62 @@ fn render_entries(
 
     entries_rendered
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use fs::FakeFs;
+    use gpui::TestAppContext;
+    use project::Project;
+    use settings::SettingsStore;
+
+    #[gpui::test]
+    async fn test_large_file_fallback_to_subset(cx: &mut TestAppContext) {
+        cx.update(|cx| {
+            let settings = SettingsStore::test(cx);
+            cx.set_global(settings);
+        });
+
+        let fs = FakeFs::new(cx.executor());
+        let project = Project::test(fs, [], cx).await;
+
+        let content = "A".repeat(100 * 1024); // 100KB
+        let content_len = content.len();
+        let buffer = project
+            .update(cx, |project, cx| project.create_buffer(true, cx))
+            .await
+            .expect("failed to create buffer");
+
+        buffer.update(cx, |buffer, cx| buffer.set_text(content, cx));
+
+        let result = cx
+            .spawn(|cx| async move { get_buffer_content_or_outline(buffer, None, &cx).await })
+            .await
+            .unwrap();
+
+        // Should contain some of the actual file content
+        assert!(
+            result.text.contains("AAAAAAAAAA"),
+            "Result did not contain content subset"
+        );
+
+        // Should be marked as not an outline (it's truncated content)
+        assert!(
+            !result.is_outline,
+            "Large file without outline should not be marked as outline"
+        );
+
+        // Should be reasonably sized (much smaller than original)
+        assert!(
+            result.text.len() < 50 * 1024,
+            "Result size {} should be smaller than 50KB",
+            result.text.len()
+        );
+
+        // Should be significantly smaller than the original content
+        assert!(
+            result.text.len() < content_len / 10,
+            "Result should be much smaller than original content"
+        );
+    }
+}

crates/agent/src/tests/mod.rs

@@ -21,9 +21,9 @@ use gpui::{
 use indoc::indoc;
 use language_model::{
     LanguageModel, LanguageModelCompletionError, LanguageModelCompletionEvent, LanguageModelId,
-    LanguageModelProviderName, LanguageModelRegistry, LanguageModelRequest,
-    LanguageModelRequestMessage, LanguageModelToolResult, LanguageModelToolSchemaFormat,
-    LanguageModelToolUse, MessageContent, Role, StopReason, fake_provider::FakeLanguageModel,
+    LanguageModelRegistry, LanguageModelRequest, LanguageModelRequestMessage,
+    LanguageModelToolResult, LanguageModelToolSchemaFormat, LanguageModelToolUse, MessageContent,
+    Role, StopReason, fake_provider::FakeLanguageModel,
 };
 use pretty_assertions::assert_eq;
 use project::{
@@ -274,6 +274,7 @@ async fn test_prompt_caching(cx: &mut TestAppContext) {
         raw_input: json!({"text": "test"}).to_string(),
         input: json!({"text": "test"}),
         is_input_complete: true,
+        thought_signature: None,
     };
     fake_model
         .send_last_completion_stream_event(LanguageModelCompletionEvent::ToolUse(tool_use.clone()));
@@ -461,6 +462,7 @@ async fn test_tool_authorization(cx: &mut TestAppContext) {
             raw_input: "{}".into(),
             input: json!({}),
             is_input_complete: true,
+            thought_signature: None,
         },
     ));
     fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::ToolUse(
@@ -470,6 +472,7 @@ async fn test_tool_authorization(cx: &mut TestAppContext) {
             raw_input: "{}".into(),
             input: json!({}),
             is_input_complete: true,
+            thought_signature: None,
         },
     ));
     fake_model.end_last_completion_stream();
@@ -520,6 +523,7 @@ async fn test_tool_authorization(cx: &mut TestAppContext) {
             raw_input: "{}".into(),
             input: json!({}),
             is_input_complete: true,
+            thought_signature: None,
         },
     ));
     fake_model.end_last_completion_stream();
@@ -554,6 +558,7 @@ async fn test_tool_authorization(cx: &mut TestAppContext) {
             raw_input: "{}".into(),
             input: json!({}),
             is_input_complete: true,
+            thought_signature: None,
         },
     ));
     fake_model.end_last_completion_stream();
@@ -592,6 +597,7 @@ async fn test_tool_hallucination(cx: &mut TestAppContext) {
             raw_input: "{}".into(),
             input: json!({}),
             is_input_complete: true,
+            thought_signature: None,
         },
     ));
     fake_model.end_last_completion_stream();
@@ -621,6 +627,7 @@ async fn test_resume_after_tool_use_limit(cx: &mut TestAppContext) {
         raw_input: "{}".into(),
         input: serde_json::to_value(&EchoToolInput { text: "def".into() }).unwrap(),
         is_input_complete: true,
+        thought_signature: None,
     };
     fake_model
         .send_last_completion_stream_event(LanguageModelCompletionEvent::ToolUse(tool_use.clone()));
@@ -657,9 +664,7 @@ async fn test_resume_after_tool_use_limit(cx: &mut TestAppContext) {
     );
 
     // Simulate reaching tool use limit.
-    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::StatusUpdate(
-        cloud_llm_client::CompletionRequestStatus::ToolUseLimitReached,
-    ));
+    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::ToolUseLimitReached);
     fake_model.end_last_completion_stream();
     let last_event = events.collect::<Vec<_>>().await.pop().unwrap();
     assert!(
@@ -731,6 +736,7 @@ async fn test_send_after_tool_use_limit(cx: &mut TestAppContext) {
         raw_input: "{}".into(),
         input: serde_json::to_value(&EchoToolInput { text: "def".into() }).unwrap(),
         is_input_complete: true,
+        thought_signature: None,
     };
     let tool_result = LanguageModelToolResult {
         tool_use_id: "tool_id_1".into(),
@@ -741,9 +747,7 @@ async fn test_send_after_tool_use_limit(cx: &mut TestAppContext) {
     };
     fake_model
         .send_last_completion_stream_event(LanguageModelCompletionEvent::ToolUse(tool_use.clone()));
-    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::StatusUpdate(
-        cloud_llm_client::CompletionRequestStatus::ToolUseLimitReached,
-    ));
+    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::ToolUseLimitReached);
     fake_model.end_last_completion_stream();
     let last_event = events.collect::<Vec<_>>().await.pop().unwrap();
     assert!(
@@ -1037,6 +1041,7 @@ async fn test_mcp_tools(cx: &mut TestAppContext) {
             raw_input: json!({"text": "test"}).to_string(),
             input: json!({"text": "test"}),
             is_input_complete: true,
+            thought_signature: None,
         },
     ));
     fake_model.end_last_completion_stream();
@@ -1080,6 +1085,7 @@ async fn test_mcp_tools(cx: &mut TestAppContext) {
             raw_input: json!({"text": "mcp"}).to_string(),
             input: json!({"text": "mcp"}),
             is_input_complete: true,
+            thought_signature: None,
         },
     ));
     fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::ToolUse(
@@ -1089,6 +1095,7 @@ async fn test_mcp_tools(cx: &mut TestAppContext) {
             raw_input: json!({"text": "native"}).to_string(),
             input: json!({"text": "native"}),
             is_input_complete: true,
+            thought_signature: None,
         },
     ));
     fake_model.end_last_completion_stream();
@@ -1522,7 +1529,7 @@ async fn test_truncate_first_message(cx: &mut TestAppContext) {
     });
 
     fake_model.send_last_completion_stream_text_chunk("Hey!");
-    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::UsageUpdate(
+    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::TokenUsage(
         language_model::TokenUsage {
             input_tokens: 32_000,
             output_tokens: 16_000,
@@ -1580,7 +1587,7 @@ async fn test_truncate_first_message(cx: &mut TestAppContext) {
     });
     cx.run_until_parked();
     fake_model.send_last_completion_stream_text_chunk("Ahoy!");
-    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::UsageUpdate(
+    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::TokenUsage(
         language_model::TokenUsage {
             input_tokens: 40_000,
             output_tokens: 20_000,
@@ -1625,7 +1632,7 @@ async fn test_truncate_second_message(cx: &mut TestAppContext) {
         .unwrap();
     cx.run_until_parked();
     fake_model.send_last_completion_stream_text_chunk("Message 1 response");
-    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::UsageUpdate(
+    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::TokenUsage(
         language_model::TokenUsage {
             input_tokens: 32_000,
             output_tokens: 16_000,
@@ -1672,7 +1679,7 @@ async fn test_truncate_second_message(cx: &mut TestAppContext) {
     cx.run_until_parked();
 
     fake_model.send_last_completion_stream_text_chunk("Message 2 response");
-    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::UsageUpdate(
+    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::TokenUsage(
         language_model::TokenUsage {
             input_tokens: 40_000,
             output_tokens: 20_000,
@@ -1788,6 +1795,7 @@ async fn test_building_request_with_pending_tools(cx: &mut TestAppContext) {
         raw_input: "{}".into(),
         input: json!({}),
         is_input_complete: true,
+        thought_signature: None,
     };
     let echo_tool_use = LanguageModelToolUse {
         id: "tool_id_2".into(),
@@ -1795,6 +1803,7 @@ async fn test_building_request_with_pending_tools(cx: &mut TestAppContext) {
         raw_input: json!({"text": "test"}).to_string(),
         input: json!({"text": "test"}),
         is_input_complete: true,
+        thought_signature: None,
     };
     fake_model.send_last_completion_stream_text_chunk("Hi!");
     fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::ToolUse(
@@ -2000,6 +2009,7 @@ async fn test_tool_updates_to_completion(cx: &mut TestAppContext) {
             raw_input: input.to_string(),
             input,
             is_input_complete: false,
+            thought_signature: None,
         },
     ));
 
@@ -2012,6 +2022,7 @@ async fn test_tool_updates_to_completion(cx: &mut TestAppContext) {
             raw_input: input.to_string(),
             input,
             is_input_complete: true,
+            thought_signature: None,
         },
     ));
     fake_model.end_last_completion_stream();
@@ -2144,7 +2155,6 @@ async fn test_send_retry_on_error(cx: &mut TestAppContext) {
 
     fake_model.send_last_completion_stream_text_chunk("Hey,");
     fake_model.send_last_completion_stream_error(LanguageModelCompletionError::ServerOverloaded {
-        provider: LanguageModelProviderName::new("Anthropic"),
         retry_after: Some(Duration::from_secs(3)),
     });
     fake_model.end_last_completion_stream();
@@ -2214,12 +2224,12 @@ async fn test_send_retry_finishes_tool_calls_on_error(cx: &mut TestAppContext) {
         raw_input: json!({"text": "test"}).to_string(),
         input: json!({"text": "test"}),
         is_input_complete: true,
+        thought_signature: None,
     };
     fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::ToolUse(
         tool_use_1.clone(),
     ));
     fake_model.send_last_completion_stream_error(LanguageModelCompletionError::ServerOverloaded {
-        provider: LanguageModelProviderName::new("Anthropic"),
         retry_after: Some(Duration::from_secs(3)),
     });
     fake_model.end_last_completion_stream();
@@ -2286,7 +2296,6 @@ async fn test_send_max_retries_exceeded(cx: &mut TestAppContext) {
     for _ in 0..crate::thread::MAX_RETRY_ATTEMPTS + 1 {
         fake_model.send_last_completion_stream_error(
             LanguageModelCompletionError::ServerOverloaded {
-                provider: LanguageModelProviderName::new("Anthropic"),
                 retry_after: Some(Duration::from_secs(3)),
             },
         );

crates/agent/src/thread.rs

@@ -15,7 +15,7 @@ use agent_settings::{
 use anyhow::{Context as _, Result, anyhow};
 use chrono::{DateTime, Utc};
 use client::{ModelRequestUsage, RequestUsage, UserStore};
-use cloud_llm_client::{CompletionIntent, CompletionRequestStatus, Plan, UsageLimit};
+use cloud_llm_client::{CompletionIntent, Plan, UsageLimit};
 use collections::{HashMap, HashSet, IndexMap};
 use fs::Fs;
 use futures::stream;
@@ -30,11 +30,11 @@ use gpui::{
 };
 use language_model::{
     LanguageModel, LanguageModelCompletionError, LanguageModelCompletionEvent, LanguageModelExt,
-    LanguageModelId, LanguageModelImage, LanguageModelProviderId, LanguageModelRegistry,
-    LanguageModelRequest, LanguageModelRequestMessage, LanguageModelRequestTool,
-    LanguageModelToolResult, LanguageModelToolResultContent, LanguageModelToolSchemaFormat,
-    LanguageModelToolUse, LanguageModelToolUseId, Role, SelectedModel, StopReason, TokenUsage,
-    ZED_CLOUD_PROVIDER_ID,
+    LanguageModelId, LanguageModelImage, LanguageModelProviderId, LanguageModelProviderName,
+    LanguageModelRegistry, LanguageModelRequest, LanguageModelRequestMessage,
+    LanguageModelRequestTool, LanguageModelToolResult, LanguageModelToolResultContent,
+    LanguageModelToolSchemaFormat, LanguageModelToolUse, LanguageModelToolUseId, Role,
+    SelectedModel, StopReason, TokenUsage, ZED_CLOUD_PROVIDER_ID,
 };
 use project::Project;
 use prompt_store::ProjectContext;
@@ -607,6 +607,8 @@ pub struct Thread {
     pub(crate) prompt_capabilities_rx: watch::Receiver<acp::PromptCapabilities>,
     pub(crate) project: Entity<Project>,
     pub(crate) action_log: Entity<ActionLog>,
+    /// Tracks the last time files were read by the agent, to detect external modifications
+    pub(crate) file_read_times: HashMap<PathBuf, fs::MTime>,
 }
 
 impl Thread {
@@ -665,6 +667,7 @@ impl Thread {
             prompt_capabilities_rx,
             project,
             action_log,
+            file_read_times: HashMap::default(),
         }
     }
 
@@ -860,6 +863,7 @@ impl Thread {
             updated_at: db_thread.updated_at,
             prompt_capabilities_tx,
             prompt_capabilities_rx,
+            file_read_times: HashMap::default(),
         }
     }
 
@@ -999,6 +1003,7 @@ impl Thread {
         self.add_tool(NowTool);
         self.add_tool(OpenTool::new(self.project.clone()));
         self.add_tool(ReadFileTool::new(
+            cx.weak_entity(),
             self.project.clone(),
             self.action_log.clone(),
         ));
@@ -1290,9 +1295,10 @@ impl Thread {
 
             if let Some(error) = error {
                 attempt += 1;
+                let provider = model.upstream_provider_name();
                 let retry = this.update(cx, |this, cx| {
                     let user_store = this.user_store.read(cx);
-                    this.handle_completion_error(error, attempt, user_store.plan())
+                    this.handle_completion_error(provider, error, attempt, user_store.plan())
                 })??;
                 let timer = cx.background_executor().timer(retry.duration);
                 event_stream.send_retry(retry);
@@ -1318,6 +1324,7 @@ impl Thread {
 
     fn handle_completion_error(
         &mut self,
+        provider: LanguageModelProviderName,
         error: LanguageModelCompletionError,
         attempt: u8,
         plan: Option<Plan>,
@@ -1384,7 +1391,7 @@ impl Thread {
         use LanguageModelCompletionEvent::*;
 
         match event {
-            StartMessage { .. } => {
+            LanguageModelCompletionEvent::StartMessage { .. } => {
                 self.flush_pending_message(cx);
                 self.pending_message = Some(AgentMessage::default());
             }
@@ -1411,7 +1418,7 @@ impl Thread {
                     ),
                 )));
             }
-            UsageUpdate(usage) => {
+            TokenUsage(usage) => {
                 telemetry::event!(
                     "Agent Thread Completion Usage Updated",
                     thread_id = self.id.to_string(),
@@ -1425,20 +1432,16 @@ impl Thread {
                 );
                 self.update_token_usage(usage, cx);
             }
-            StatusUpdate(CompletionRequestStatus::UsageUpdated { amount, limit }) => {
+            RequestUsage { amount, limit } => {
                 self.update_model_request_usage(amount, limit, cx);
             }
-            StatusUpdate(
-                CompletionRequestStatus::Started
-                | CompletionRequestStatus::Queued { .. }
-                | CompletionRequestStatus::Failed { .. },
-            ) => {}
-            StatusUpdate(CompletionRequestStatus::ToolUseLimitReached) => {
+            ToolUseLimitReached => {
                 self.tool_use_limit_reached = true;
             }
             Stop(StopReason::Refusal) => return Err(CompletionError::Refusal.into()),
             Stop(StopReason::MaxTokens) => return Err(CompletionError::MaxTokens.into()),
             Stop(StopReason::ToolUse | StopReason::EndTurn) => {}
+            Started | Queued { .. } => {}
         }
 
         Ok(None)
@@ -1682,9 +1685,7 @@ impl Thread {
                     let event = event.log_err()?;
                     let text = match event {
                         LanguageModelCompletionEvent::Text(text) => text,
-                        LanguageModelCompletionEvent::StatusUpdate(
-                            CompletionRequestStatus::UsageUpdated { amount, limit },
-                        ) => {
+                        LanguageModelCompletionEvent::RequestUsage { amount, limit } => {
                             this.update(cx, |thread, cx| {
                                 thread.update_model_request_usage(amount, limit, cx);
                             })
@@ -1748,9 +1749,7 @@ impl Thread {
                     let event = event?;
                     let text = match event {
                         LanguageModelCompletionEvent::Text(text) => text,
-                        LanguageModelCompletionEvent::StatusUpdate(
-                            CompletionRequestStatus::UsageUpdated { amount, limit },
-                        ) => {
+                        LanguageModelCompletionEvent::RequestUsage { amount, limit } => {
                             this.update(cx, |thread, cx| {
                                 thread.update_model_request_usage(amount, limit, cx);
                             })?;

crates/agent/src/tools/edit_file_tool.rs

@@ -309,6 +309,40 @@ impl AgentTool for EditFileTool {
                 })?
                 .await?;
 
+            // Check if the file has been modified since the agent last read it
+            if let Some(abs_path) = abs_path.as_ref() {
+                let (last_read_mtime, current_mtime, is_dirty) = self.thread.update(cx, |thread, cx| {
+                    let last_read = thread.file_read_times.get(abs_path).copied();
+                    let current = buffer.read(cx).file().and_then(|file| file.disk_state().mtime());
+                    let dirty = buffer.read(cx).is_dirty();
+                    (last_read, current, dirty)
+                })?;
+
+                // Check for unsaved changes first - these indicate modifications we don't know about
+                if is_dirty {
+                    anyhow::bail!(
+                        "This file cannot be written to because it has unsaved changes. \
+                         Please end the current conversation immediately by telling the user you want to write to this file (mention its path explicitly) but you can't write to it because it has unsaved changes. \
+                         Ask the user to save that buffer's changes and to inform you when it's ok to proceed."
+                    );
+                }
+
+                // Check if the file was modified on disk since we last read it
+                if let (Some(last_read), Some(current)) = (last_read_mtime, current_mtime) {
+                    // MTime can be unreliable for comparisons, so our newtype intentionally
+                    // doesn't support comparing them. If the mtime at all different
+                    // (which could be because of a modification or because e.g. system clock changed),
+                    // we pessimistically assume it was modified.
+                    if current != last_read {
+                        anyhow::bail!(
+                            "The file {} has been modified since you last read it. \
+                             Please read the file again to get the current state before editing it.",
+                            input.path.display()
+                        );
+                    }
+                }
+            }
+
             let diff = cx.new(|cx| Diff::new(buffer.clone(), cx))?;
             event_stream.update_diff(diff.clone());
             let _finalize_diff = util::defer({
@@ -421,6 +455,17 @@ impl AgentTool for EditFileTool {
                 log.buffer_edited(buffer.clone(), cx);
             })?;
 
+            // Update the recorded read time after a successful edit so consecutive edits work
+            if let Some(abs_path) = abs_path.as_ref() {
+                if let Some(new_mtime) = buffer.read_with(cx, |buffer, _| {
+                    buffer.file().and_then(|file| file.disk_state().mtime())
+                })? {
+                    self.thread.update(cx, |thread, _| {
+                        thread.file_read_times.insert(abs_path.to_path_buf(), new_mtime);
+                    })?;
+                }
+            }
+
             let new_snapshot = buffer.read_with(cx, |buffer, _cx| buffer.snapshot())?;
             let (new_text, unified_diff) = cx
                 .background_spawn({
@@ -1748,10 +1793,426 @@ mod tests {
         }
     }
 
+    #[gpui::test]
+    async fn test_file_read_times_tracking(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = project::FakeFs::new(cx.executor());
+        fs.insert_tree(
+            "/root",
+            json!({
+                "test.txt": "original content"
+            }),
+        )
+        .await;
+        let project = Project::test(fs.clone(), [path!("/root").as_ref()], cx).await;
+        let context_server_registry =
+            cx.new(|cx| ContextServerRegistry::new(project.read(cx).context_server_store(), cx));
+        let model = Arc::new(FakeLanguageModel::default());
+        let thread = cx.new(|cx| {
+            Thread::new(
+                project.clone(),
+                cx.new(|_cx| ProjectContext::default()),
+                context_server_registry,
+                Templates::new(),
+                Some(model.clone()),
+                cx,
+            )
+        });
+        let action_log = thread.read_with(cx, |thread, _| thread.action_log().clone());
+
+        // Initially, file_read_times should be empty
+        let is_empty = thread.read_with(cx, |thread, _| thread.file_read_times.is_empty());
+        assert!(is_empty, "file_read_times should start empty");
+
+        // Create read tool
+        let read_tool = Arc::new(crate::ReadFileTool::new(
+            thread.downgrade(),
+            project.clone(),
+            action_log,
+        ));
+
+        // Read the file to record the read time
+        cx.update(|cx| {
+            read_tool.clone().run(
+                crate::ReadFileToolInput {
+                    path: "root/test.txt".to_string(),
+                    start_line: None,
+                    end_line: None,
+                },
+                ToolCallEventStream::test().0,
+                cx,
+            )
+        })
+        .await
+        .unwrap();
+
+        // Verify that file_read_times now contains an entry for the file
+        let has_entry = thread.read_with(cx, |thread, _| {
+            thread.file_read_times.len() == 1
+                && thread
+                    .file_read_times
+                    .keys()
+                    .any(|path| path.ends_with("test.txt"))
+        });
+        assert!(
+            has_entry,
+            "file_read_times should contain an entry after reading the file"
+        );
+
+        // Read the file again - should update the entry
+        cx.update(|cx| {
+            read_tool.clone().run(
+                crate::ReadFileToolInput {
+                    path: "root/test.txt".to_string(),
+                    start_line: None,
+                    end_line: None,
+                },
+                ToolCallEventStream::test().0,
+                cx,
+            )
+        })
+        .await
+        .unwrap();
+
+        // Should still have exactly one entry
+        let has_one_entry = thread.read_with(cx, |thread, _| thread.file_read_times.len() == 1);
+        assert!(
+            has_one_entry,
+            "file_read_times should still have one entry after re-reading"
+        );
+    }
+
     fn init_test(cx: &mut TestAppContext) {
         cx.update(|cx| {
             let settings_store = SettingsStore::test(cx);
             cx.set_global(settings_store);
         });
     }
+
+    #[gpui::test]
+    async fn test_consecutive_edits_work(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = project::FakeFs::new(cx.executor());
+        fs.insert_tree(
+            "/root",
+            json!({
+                "test.txt": "original content"
+            }),
+        )
+        .await;
+        let project = Project::test(fs.clone(), [path!("/root").as_ref()], cx).await;
+        let context_server_registry =
+            cx.new(|cx| ContextServerRegistry::new(project.read(cx).context_server_store(), cx));
+        let model = Arc::new(FakeLanguageModel::default());
+        let thread = cx.new(|cx| {
+            Thread::new(
+                project.clone(),
+                cx.new(|_cx| ProjectContext::default()),
+                context_server_registry,
+                Templates::new(),
+                Some(model.clone()),
+                cx,
+            )
+        });
+        let languages = project.read_with(cx, |project, _| project.languages().clone());
+        let action_log = thread.read_with(cx, |thread, _| thread.action_log().clone());
+
+        let read_tool = Arc::new(crate::ReadFileTool::new(
+            thread.downgrade(),
+            project.clone(),
+            action_log,
+        ));
+        let edit_tool = Arc::new(EditFileTool::new(
+            project.clone(),
+            thread.downgrade(),
+            languages,
+            Templates::new(),
+        ));
+
+        // Read the file first
+        cx.update(|cx| {
+            read_tool.clone().run(
+                crate::ReadFileToolInput {
+                    path: "root/test.txt".to_string(),
+                    start_line: None,
+                    end_line: None,
+                },
+                ToolCallEventStream::test().0,
+                cx,
+            )
+        })
+        .await
+        .unwrap();
+
+        // First edit should work
+        let edit_result = {
+            let edit_task = cx.update(|cx| {
+                edit_tool.clone().run(
+                    EditFileToolInput {
+                        display_description: "First edit".into(),
+                        path: "root/test.txt".into(),
+                        mode: EditFileMode::Edit,
+                    },
+                    ToolCallEventStream::test().0,
+                    cx,
+                )
+            });
+
+            cx.executor().run_until_parked();
+            model.send_last_completion_stream_text_chunk(
+                "<old_text>original content</old_text><new_text>modified content</new_text>"
+                    .to_string(),
+            );
+            model.end_last_completion_stream();
+
+            edit_task.await
+        };
+        assert!(
+            edit_result.is_ok(),
+            "First edit should succeed, got error: {:?}",
+            edit_result.as_ref().err()
+        );
+
+        // Second edit should also work because the edit updated the recorded read time
+        let edit_result = {
+            let edit_task = cx.update(|cx| {
+                edit_tool.clone().run(
+                    EditFileToolInput {
+                        display_description: "Second edit".into(),
+                        path: "root/test.txt".into(),
+                        mode: EditFileMode::Edit,
+                    },
+                    ToolCallEventStream::test().0,
+                    cx,
+                )
+            });
+
+            cx.executor().run_until_parked();
+            model.send_last_completion_stream_text_chunk(
+                "<old_text>modified content</old_text><new_text>further modified content</new_text>".to_string(),
+            );
+            model.end_last_completion_stream();
+
+            edit_task.await
+        };
+        assert!(
+            edit_result.is_ok(),
+            "Second consecutive edit should succeed, got error: {:?}",
+            edit_result.as_ref().err()
+        );
+    }
+
+    #[gpui::test]
+    async fn test_external_modification_detected(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = project::FakeFs::new(cx.executor());
+        fs.insert_tree(
+            "/root",
+            json!({
+                "test.txt": "original content"
+            }),
+        )
+        .await;
+        let project = Project::test(fs.clone(), [path!("/root").as_ref()], cx).await;
+        let context_server_registry =
+            cx.new(|cx| ContextServerRegistry::new(project.read(cx).context_server_store(), cx));
+        let model = Arc::new(FakeLanguageModel::default());
+        let thread = cx.new(|cx| {
+            Thread::new(
+                project.clone(),
+                cx.new(|_cx| ProjectContext::default()),
+                context_server_registry,
+                Templates::new(),
+                Some(model.clone()),
+                cx,
+            )
+        });
+        let languages = project.read_with(cx, |project, _| project.languages().clone());
+        let action_log = thread.read_with(cx, |thread, _| thread.action_log().clone());
+
+        let read_tool = Arc::new(crate::ReadFileTool::new(
+            thread.downgrade(),
+            project.clone(),
+            action_log,
+        ));
+        let edit_tool = Arc::new(EditFileTool::new(
+            project.clone(),
+            thread.downgrade(),
+            languages,
+            Templates::new(),
+        ));
+
+        // Read the file first
+        cx.update(|cx| {
+            read_tool.clone().run(
+                crate::ReadFileToolInput {
+                    path: "root/test.txt".to_string(),
+                    start_line: None,
+                    end_line: None,
+                },
+                ToolCallEventStream::test().0,
+                cx,
+            )
+        })
+        .await
+        .unwrap();
+
+        // Simulate external modification - advance time and save file
+        cx.background_executor
+            .advance_clock(std::time::Duration::from_secs(2));
+        fs.save(
+            path!("/root/test.txt").as_ref(),
+            &"externally modified content".into(),
+            language::LineEnding::Unix,
+        )
+        .await
+        .unwrap();
+
+        // Reload the buffer to pick up the new mtime
+        let project_path = project
+            .read_with(cx, |project, cx| {
+                project.find_project_path("root/test.txt", cx)
+            })
+            .expect("Should find project path");
+        let buffer = project
+            .update(cx, |project, cx| project.open_buffer(project_path, cx))
+            .await
+            .unwrap();
+        buffer
+            .update(cx, |buffer, cx| buffer.reload(cx))
+            .await
+            .unwrap();
+
+        cx.executor().run_until_parked();
+
+        // Try to edit - should fail because file was modified externally
+        let result = cx
+            .update(|cx| {
+                edit_tool.clone().run(
+                    EditFileToolInput {
+                        display_description: "Edit after external change".into(),
+                        path: "root/test.txt".into(),
+                        mode: EditFileMode::Edit,
+                    },
+                    ToolCallEventStream::test().0,
+                    cx,
+                )
+            })
+            .await;
+
+        assert!(
+            result.is_err(),
+            "Edit should fail after external modification"
+        );
+        let error_msg = result.unwrap_err().to_string();
+        assert!(
+            error_msg.contains("has been modified since you last read it"),
+            "Error should mention file modification, got: {}",
+            error_msg
+        );
+    }
+
+    #[gpui::test]
+    async fn test_dirty_buffer_detected(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = project::FakeFs::new(cx.executor());
+        fs.insert_tree(
+            "/root",
+            json!({
+                "test.txt": "original content"
+            }),
+        )
+        .await;
+        let project = Project::test(fs.clone(), [path!("/root").as_ref()], cx).await;
+        let context_server_registry =
+            cx.new(|cx| ContextServerRegistry::new(project.read(cx).context_server_store(), cx));
+        let model = Arc::new(FakeLanguageModel::default());
+        let thread = cx.new(|cx| {
+            Thread::new(
+                project.clone(),
+                cx.new(|_cx| ProjectContext::default()),
+                context_server_registry,
+                Templates::new(),
+                Some(model.clone()),
+                cx,
+            )
+        });
+        let languages = project.read_with(cx, |project, _| project.languages().clone());
+        let action_log = thread.read_with(cx, |thread, _| thread.action_log().clone());
+
+        let read_tool = Arc::new(crate::ReadFileTool::new(
+            thread.downgrade(),
+            project.clone(),
+            action_log,
+        ));
+        let edit_tool = Arc::new(EditFileTool::new(
+            project.clone(),
+            thread.downgrade(),
+            languages,
+            Templates::new(),
+        ));
+
+        // Read the file first
+        cx.update(|cx| {
+            read_tool.clone().run(
+                crate::ReadFileToolInput {
+                    path: "root/test.txt".to_string(),
+                    start_line: None,
+                    end_line: None,
+                },
+                ToolCallEventStream::test().0,
+                cx,
+            )
+        })
+        .await
+        .unwrap();
+
+        // Open the buffer and make it dirty by editing without saving
+        let project_path = project
+            .read_with(cx, |project, cx| {
+                project.find_project_path("root/test.txt", cx)
+            })
+            .expect("Should find project path");
+        let buffer = project
+            .update(cx, |project, cx| project.open_buffer(project_path, cx))
+            .await
+            .unwrap();
+
+        // Make an in-memory edit to the buffer (making it dirty)
+        buffer.update(cx, |buffer, cx| {
+            let end_point = buffer.max_point();
+            buffer.edit([(end_point..end_point, " added text")], None, cx);
+        });
+
+        // Verify buffer is dirty
+        let is_dirty = buffer.read_with(cx, |buffer, _| buffer.is_dirty());
+        assert!(is_dirty, "Buffer should be dirty after in-memory edit");
+
+        // Try to edit - should fail because buffer has unsaved changes
+        let result = cx
+            .update(|cx| {
+                edit_tool.clone().run(
+                    EditFileToolInput {
+                        display_description: "Edit with dirty buffer".into(),
+                        path: "root/test.txt".into(),
+                        mode: EditFileMode::Edit,
+                    },
+                    ToolCallEventStream::test().0,
+                    cx,
+                )
+            })
+            .await;
+
+        assert!(result.is_err(), "Edit should fail when buffer is dirty");
+        let error_msg = result.unwrap_err().to_string();
+        assert!(
+            error_msg.contains("cannot be written to because it has unsaved changes"),
+            "Error should mention unsaved changes, got: {}",
+            error_msg
+        );
+    }
 }

crates/agent/src/tools/read_file_tool.rs

@@ -1,7 +1,7 @@
 use action_log::ActionLog;
 use agent_client_protocol::{self as acp, ToolCallUpdateFields};
 use anyhow::{Context as _, Result, anyhow};
-use gpui::{App, Entity, SharedString, Task};
+use gpui::{App, Entity, SharedString, Task, WeakEntity};
 use indoc::formatdoc;
 use language::Point;
 use language_model::{LanguageModelImage, LanguageModelToolResultContent};
@@ -12,7 +12,7 @@ use settings::Settings;
 use std::sync::Arc;
 use util::markdown::MarkdownCodeBlock;
 
-use crate::{AgentTool, ToolCallEventStream, outline};
+use crate::{AgentTool, Thread, ToolCallEventStream, outline};
 
 /// Reads the content of the given file in the project.
 ///
@@ -42,13 +42,19 @@ pub struct ReadFileToolInput {
 }
 
 pub struct ReadFileTool {
+    thread: WeakEntity<Thread>,
     project: Entity<Project>,
     action_log: Entity<ActionLog>,
 }
 
 impl ReadFileTool {
-    pub fn new(project: Entity<Project>, action_log: Entity<ActionLog>) -> Self {
+    pub fn new(
+        thread: WeakEntity<Thread>,
+        project: Entity<Project>,
+        action_log: Entity<ActionLog>,
+    ) -> Self {
         Self {
+            thread,
             project,
             action_log,
         }
@@ -195,6 +201,17 @@ impl AgentTool for ReadFileTool {
                 anyhow::bail!("{file_path} not found");
             }
 
+            // Record the file read time and mtime
+            if let Some(mtime) = buffer.read_with(cx, |buffer, _| {
+                buffer.file().and_then(|file| file.disk_state().mtime())
+            })? {
+                self.thread
+                    .update(cx, |thread, _| {
+                        thread.file_read_times.insert(abs_path.to_path_buf(), mtime);
+                    })
+                    .ok();
+            }
+
             let mut anchor = None;
 
             // Check if specific line ranges are provided
@@ -285,11 +302,15 @@ impl AgentTool for ReadFileTool {
 #[cfg(test)]
 mod test {
     use super::*;
+    use crate::{ContextServerRegistry, Templates, Thread};
     use gpui::{AppContext, TestAppContext, UpdateGlobal as _};
     use language::{Language, LanguageConfig, LanguageMatcher, tree_sitter_rust};
+    use language_model::fake_provider::FakeLanguageModel;
     use project::{FakeFs, Project};
+    use prompt_store::ProjectContext;
     use serde_json::json;
     use settings::SettingsStore;
+    use std::sync::Arc;
     use util::path;
 
     #[gpui::test]
@@ -300,7 +321,20 @@ mod test {
         fs.insert_tree(path!("/root"), json!({})).await;
         let project = Project::test(fs.clone(), [path!("/root").as_ref()], cx).await;
         let action_log = cx.new(|_| ActionLog::new(project.clone()));
-        let tool = Arc::new(ReadFileTool::new(project, action_log));
+        let context_server_registry =
+            cx.new(|cx| ContextServerRegistry::new(project.read(cx).context_server_store(), cx));
+        let model = Arc::new(FakeLanguageModel::default());
+        let thread = cx.new(|cx| {
+            Thread::new(
+                project.clone(),
+                cx.new(|_cx| ProjectContext::default()),
+                context_server_registry,
+                Templates::new(),
+                Some(model),
+                cx,
+            )
+        });
+        let tool = Arc::new(ReadFileTool::new(thread.downgrade(), project, action_log));
         let (event_stream, _) = ToolCallEventStream::test();
 
         let result = cx
@@ -333,7 +367,20 @@ mod test {
         .await;
         let project = Project::test(fs.clone(), [path!("/root").as_ref()], cx).await;
         let action_log = cx.new(|_| ActionLog::new(project.clone()));
-        let tool = Arc::new(ReadFileTool::new(project, action_log));
+        let context_server_registry =
+            cx.new(|cx| ContextServerRegistry::new(project.read(cx).context_server_store(), cx));
+        let model = Arc::new(FakeLanguageModel::default());
+        let thread = cx.new(|cx| {
+            Thread::new(
+                project.clone(),
+                cx.new(|_cx| ProjectContext::default()),
+                context_server_registry,
+                Templates::new(),
+                Some(model),
+                cx,
+            )
+        });
+        let tool = Arc::new(ReadFileTool::new(thread.downgrade(), project, action_log));
         let result = cx
             .update(|cx| {
                 let input = ReadFileToolInput {
@@ -363,7 +410,20 @@ mod test {
         let language_registry = project.read_with(cx, |project, _| project.languages().clone());
         language_registry.add(Arc::new(rust_lang()));
         let action_log = cx.new(|_| ActionLog::new(project.clone()));
-        let tool = Arc::new(ReadFileTool::new(project, action_log));
+        let context_server_registry =
+            cx.new(|cx| ContextServerRegistry::new(project.read(cx).context_server_store(), cx));
+        let model = Arc::new(FakeLanguageModel::default());
+        let thread = cx.new(|cx| {
+            Thread::new(
+                project.clone(),
+                cx.new(|_cx| ProjectContext::default()),
+                context_server_registry,
+                Templates::new(),
+                Some(model),
+                cx,
+            )
+        });
+        let tool = Arc::new(ReadFileTool::new(thread.downgrade(), project, action_log));
         let result = cx
             .update(|cx| {
                 let input = ReadFileToolInput {
@@ -435,7 +495,20 @@ mod test {
         let project = Project::test(fs.clone(), [path!("/root").as_ref()], cx).await;
 
         let action_log = cx.new(|_| ActionLog::new(project.clone()));
-        let tool = Arc::new(ReadFileTool::new(project, action_log));
+        let context_server_registry =
+            cx.new(|cx| ContextServerRegistry::new(project.read(cx).context_server_store(), cx));
+        let model = Arc::new(FakeLanguageModel::default());
+        let thread = cx.new(|cx| {
+            Thread::new(
+                project.clone(),
+                cx.new(|_cx| ProjectContext::default()),
+                context_server_registry,
+                Templates::new(),
+                Some(model),
+                cx,
+            )
+        });
+        let tool = Arc::new(ReadFileTool::new(thread.downgrade(), project, action_log));
         let result = cx
             .update(|cx| {
                 let input = ReadFileToolInput {
@@ -463,7 +536,20 @@ mod test {
         .await;
         let project = Project::test(fs.clone(), [path!("/root").as_ref()], cx).await;
         let action_log = cx.new(|_| ActionLog::new(project.clone()));
-        let tool = Arc::new(ReadFileTool::new(project, action_log));
+        let context_server_registry =
+            cx.new(|cx| ContextServerRegistry::new(project.read(cx).context_server_store(), cx));
+        let model = Arc::new(FakeLanguageModel::default());
+        let thread = cx.new(|cx| {
+            Thread::new(
+                project.clone(),
+                cx.new(|_cx| ProjectContext::default()),
+                context_server_registry,
+                Templates::new(),
+                Some(model),
+                cx,
+            )
+        });
+        let tool = Arc::new(ReadFileTool::new(thread.downgrade(), project, action_log));
 
         // start_line of 0 should be treated as 1
         let result = cx
@@ -607,7 +693,20 @@ mod test {
 
         let project = Project::test(fs.clone(), [path!("/project_root").as_ref()], cx).await;
         let action_log = cx.new(|_| ActionLog::new(project.clone()));
-        let tool = Arc::new(ReadFileTool::new(project, action_log));
+        let context_server_registry =
+            cx.new(|cx| ContextServerRegistry::new(project.read(cx).context_server_store(), cx));
+        let model = Arc::new(FakeLanguageModel::default());
+        let thread = cx.new(|cx| {
+            Thread::new(
+                project.clone(),
+                cx.new(|_cx| ProjectContext::default()),
+                context_server_registry,
+                Templates::new(),
+                Some(model),
+                cx,
+            )
+        });
+        let tool = Arc::new(ReadFileTool::new(thread.downgrade(), project, action_log));
 
         // Reading a file outside the project worktree should fail
         let result = cx
@@ -821,7 +920,24 @@ mod test {
         .await;
 
         let action_log = cx.new(|_| ActionLog::new(project.clone()));
-        let tool = Arc::new(ReadFileTool::new(project.clone(), action_log.clone()));
+        let context_server_registry =
+            cx.new(|cx| ContextServerRegistry::new(project.read(cx).context_server_store(), cx));
+        let model = Arc::new(FakeLanguageModel::default());
+        let thread = cx.new(|cx| {
+            Thread::new(
+                project.clone(),
+                cx.new(|_cx| ProjectContext::default()),
+                context_server_registry,
+                Templates::new(),
+                Some(model),
+                cx,
+            )
+        });
+        let tool = Arc::new(ReadFileTool::new(
+            thread.downgrade(),
+            project.clone(),
+            action_log.clone(),
+        ));
 
         // Test reading allowed files in worktree1
         let result = cx

crates/agent_servers/src/acp.rs

@@ -247,37 +247,58 @@ impl AgentConnection for AcpConnection {
         let default_mode = self.default_mode.clone();
         let cwd = cwd.to_path_buf();
         let context_server_store = project.read(cx).context_server_store().read(cx);
-        let mcp_servers = if project.read(cx).is_local() {
-            context_server_store
-                .configured_server_ids()
-                .iter()
-                .filter_map(|id| {
-                    let configuration = context_server_store.configuration_for_server(id)?;
-                    let command = configuration.command();
-                    Some(acp::McpServer::Stdio {
-                        name: id.0.to_string(),
-                        command: command.path.clone(),
-                        args: command.args.clone(),
-                        env: if let Some(env) = command.env.as_ref() {
-                            env.iter()
-                                .map(|(name, value)| acp::EnvVariable {
-                                    name: name.clone(),
-                                    value: value.clone(),
-                                    meta: None,
-                                })
-                                .collect()
-                        } else {
-                            vec![]
-                        },
+        let mcp_servers =
+            if project.read(cx).is_local() {
+                context_server_store
+                    .configured_server_ids()
+                    .iter()
+                    .filter_map(|id| {
+                        let configuration = context_server_store.configuration_for_server(id)?;
+                        match &*configuration {
+                        project::context_server_store::ContextServerConfiguration::Custom {
+                            command,
+                            ..
+                        }
+                        | project::context_server_store::ContextServerConfiguration::Extension {
+                            command,
+                            ..
+                        } => Some(acp::McpServer::Stdio {
+                            name: id.0.to_string(),
+                            command: command.path.clone(),
+                            args: command.args.clone(),
+                            env: if let Some(env) = command.env.as_ref() {
+                                env.iter()
+                                    .map(|(name, value)| acp::EnvVariable {
+                                        name: name.clone(),
+                                        value: value.clone(),
+                                        meta: None,
+                                    })
+                                    .collect()
+                            } else {
+                                vec![]
+                            },
+                        }),
+                        project::context_server_store::ContextServerConfiguration::Http {
+                            url,
+                            headers,
+                        } => Some(acp::McpServer::Http {
+                            name: id.0.to_string(),
+                            url: url.to_string(),
+                            headers: headers.iter().map(|(name, value)| acp::HttpHeader {
+                                name: name.clone(),
+                                value: value.clone(),
+                                meta: None,
+                            }).collect(),
+                        }),
+                    }
                     })
-                })
-                .collect()
-        } else {
-            // In SSH projects, the external agent is running on the remote
-            // machine, and currently we only run MCP servers on the local
-            // machine. So don't pass any MCP servers to the agent in that case.
-            Vec::new()
-        };
+                    .collect()
+            } else {
+                // In SSH projects, the external agent is running on the remote
+                // machine, and currently we only run MCP servers on the local
+                // machine. So don't pass any MCP servers to the agent in that case.
+                Vec::new()
+            };
 
         cx.spawn(async move |cx| {
             let response = conn

crates/agent_ui/Cargo.toml

@@ -98,6 +98,8 @@ util.workspace = true
 watch.workspace = true
 workspace.workspace = true
 zed_actions.workspace = true
+image.workspace = true
+async-fs.workspace = true
 
 [dev-dependencies]
 acp_thread = { workspace = true, features = ["test-support"] }

crates/agent_ui/src/acp/completion_provider.rs

@@ -109,6 +109,8 @@ impl ContextPickerCompletionProvider {
                 icon_path: Some(mode.icon().path().into()),
                 documentation: None,
                 source: project::CompletionSource::Custom,
+                match_start: None,
+                snippet_deduplication_key: None,
                 insert_text_mode: None,
                 // This ensures that when a user accepts this completion, the
                 // completion menu will still be shown after "@category " is
@@ -146,6 +148,8 @@ impl ContextPickerCompletionProvider {
             documentation: None,
             insert_text_mode: None,
             source: project::CompletionSource::Custom,
+            match_start: None,
+            snippet_deduplication_key: None,
             icon_path: Some(icon_for_completion),
             confirm: Some(confirm_completion_callback(
                 thread_entry.title().clone(),
@@ -177,6 +181,8 @@ impl ContextPickerCompletionProvider {
             documentation: None,
             insert_text_mode: None,
             source: project::CompletionSource::Custom,
+            match_start: None,
+            snippet_deduplication_key: None,
             icon_path: Some(icon_path),
             confirm: Some(confirm_completion_callback(
                 rule.title,
@@ -233,6 +239,8 @@ impl ContextPickerCompletionProvider {
             documentation: None,
             source: project::CompletionSource::Custom,
             icon_path: Some(completion_icon_path),
+            match_start: None,
+            snippet_deduplication_key: None,
             insert_text_mode: None,
             confirm: Some(confirm_completion_callback(
                 file_name,
@@ -284,6 +292,8 @@ impl ContextPickerCompletionProvider {
             documentation: None,
             source: project::CompletionSource::Custom,
             icon_path: Some(icon_path),
+            match_start: None,
+            snippet_deduplication_key: None,
             insert_text_mode: None,
             confirm: Some(confirm_completion_callback(
                 symbol.name.into(),
@@ -316,6 +326,8 @@ impl ContextPickerCompletionProvider {
             documentation: None,
             source: project::CompletionSource::Custom,
             icon_path: Some(icon_path),
+            match_start: None,
+            snippet_deduplication_key: None,
             insert_text_mode: None,
             confirm: Some(confirm_completion_callback(
                 url_to_fetch.to_string().into(),
@@ -384,6 +396,8 @@ impl ContextPickerCompletionProvider {
             icon_path: Some(action.icon().path().into()),
             documentation: None,
             source: project::CompletionSource::Custom,
+            match_start: None,
+            snippet_deduplication_key: None,
             insert_text_mode: None,
             // This ensures that when a user accepts this completion, the
             // completion menu will still be shown after "@category " is
@@ -774,6 +788,8 @@ impl CompletionProvider for ContextPickerCompletionProvider {
                                 )),
                                 source: project::CompletionSource::Custom,
                                 icon_path: None,
+                                match_start: None,
+                                snippet_deduplication_key: None,
                                 insert_text_mode: None,
                                 confirm: Some(Arc::new({
                                     let editor = editor.clone();

crates/agent_ui/src/acp/message_editor.rs

@@ -28,6 +28,7 @@ use gpui::{
     EventEmitter, FocusHandle, Focusable, Image, ImageFormat, Img, KeyContext, SharedString,
     Subscription, Task, TextStyle, WeakEntity, pulsating_between,
 };
+use itertools::Either;
 use language::{Buffer, Language, language_settings::InlayHintKind};
 use language_model::LanguageModelImage;
 use postage::stream::Stream as _;
@@ -912,74 +913,114 @@ impl MessageEditor {
         if !self.prompt_capabilities.borrow().image {
             return;
         }
-
-        let images = cx
-            .read_from_clipboard()
-            .map(|item| {
-                item.into_entries()
-                    .filter_map(|entry| {
-                        if let ClipboardEntry::Image(image) = entry {
-                            Some(image)
-                        } else {
-                            None
-                        }
-                    })
-                    .collect::<Vec<_>>()
-            })
-            .unwrap_or_default();
-
-        if images.is_empty() {
+        let Some(clipboard) = cx.read_from_clipboard() else {
             return;
-        }
-        cx.stop_propagation();
+        };
+        cx.spawn_in(window, async move |this, cx| {
+            use itertools::Itertools;
+            let (mut images, paths) = clipboard
+                .into_entries()
+                .filter_map(|entry| match entry {
+                    ClipboardEntry::Image(image) => Some(Either::Left(image)),
+                    ClipboardEntry::ExternalPaths(paths) => Some(Either::Right(paths)),
+                    _ => None,
+                })
+                .partition_map::<Vec<_>, Vec<_>, _, _, _>(std::convert::identity);
 
-        let replacement_text = MentionUri::PastedImage.as_link().to_string();
-        for image in images {
-            let (excerpt_id, text_anchor, multibuffer_anchor) =
-                self.editor.update(cx, |message_editor, cx| {
-                    let snapshot = message_editor.snapshot(window, cx);
-                    let (excerpt_id, _, buffer_snapshot) =
-                        snapshot.buffer_snapshot().as_singleton().unwrap();
+            if !paths.is_empty() {
+                images.extend(
+                    cx.background_spawn(async move {
+                        let mut images = vec![];
+                        for path in paths.into_iter().flat_map(|paths| paths.paths().to_owned()) {
+                            let Ok(content) = async_fs::read(path).await else {
+                                continue;
+                            };
+                            let Ok(format) = image::guess_format(&content) else {
+                                continue;
+                            };
+                            images.push(gpui::Image::from_bytes(
+                                match format {
+                                    image::ImageFormat::Png => gpui::ImageFormat::Png,
+                                    image::ImageFormat::Jpeg => gpui::ImageFormat::Jpeg,
+                                    image::ImageFormat::WebP => gpui::ImageFormat::Webp,
+                                    image::ImageFormat::Gif => gpui::ImageFormat::Gif,
+                                    image::ImageFormat::Bmp => gpui::ImageFormat::Bmp,
+                                    image::ImageFormat::Tiff => gpui::ImageFormat::Tiff,
+                                    image::ImageFormat::Ico => gpui::ImageFormat::Ico,
+                                    _ => continue,
+                                },
+                                content,
+                            ));
+                        }
+                        images
+                    })
+                    .await,
+                );
+            }
 
-                    let text_anchor = buffer_snapshot.anchor_before(buffer_snapshot.len());
-                    let multibuffer_anchor = snapshot
-                        .buffer_snapshot()
-                        .anchor_in_excerpt(*excerpt_id, text_anchor);
-                    message_editor.edit(
-                        [(
-                            multi_buffer::Anchor::max()..multi_buffer::Anchor::max(),
-                            format!("{replacement_text} "),
-                        )],
+            if images.is_empty() {
+                return;
+            }
+
+            let replacement_text = MentionUri::PastedImage.as_link().to_string();
+            let Ok(editor) = this.update(cx, |this, cx| {
+                cx.stop_propagation();
+                this.editor.clone()
+            }) else {
+                return;
+            };
+            for image in images {
+                let Ok((excerpt_id, text_anchor, multibuffer_anchor)) =
+                    editor.update_in(cx, |message_editor, window, cx| {
+                        let snapshot = message_editor.snapshot(window, cx);
+                        let (excerpt_id, _, buffer_snapshot) =
+                            snapshot.buffer_snapshot().as_singleton().unwrap();
+
+                        let text_anchor = buffer_snapshot.anchor_before(buffer_snapshot.len());
+                        let multibuffer_anchor = snapshot
+                            .buffer_snapshot()
+                            .anchor_in_excerpt(*excerpt_id, text_anchor);
+                        message_editor.edit(
+                            [(
+                                multi_buffer::Anchor::max()..multi_buffer::Anchor::max(),
+                                format!("{replacement_text} "),
+                            )],
+                            cx,
+                        );
+                        (*excerpt_id, text_anchor, multibuffer_anchor)
+                    })
+                else {
+                    break;
+                };
+
+                let content_len = replacement_text.len();
+                let Some(start_anchor) = multibuffer_anchor else {
+                    continue;
+                };
+                let Ok(end_anchor) = editor.update(cx, |editor, cx| {
+                    let snapshot = editor.buffer().read(cx).snapshot(cx);
+                    snapshot.anchor_before(start_anchor.to_offset(&snapshot) + content_len)
+                }) else {
+                    continue;
+                };
+                let image = Arc::new(image);
+                let Ok(Some((crease_id, tx))) = cx.update(|window, cx| {
+                    insert_crease_for_mention(
+                        excerpt_id,
+                        text_anchor,
+                        content_len,
+                        MentionUri::PastedImage.name().into(),
+                        IconName::Image.path().into(),
+                        Some(Task::ready(Ok(image.clone())).shared()),
+                        editor.clone(),
+                        window,
                         cx,
-                    );
-                    (*excerpt_id, text_anchor, multibuffer_anchor)
-                });
-
-            let content_len = replacement_text.len();
-            let Some(start_anchor) = multibuffer_anchor else {
-                continue;
-            };
-            let end_anchor = self.editor.update(cx, |editor, cx| {
-                let snapshot = editor.buffer().read(cx).snapshot(cx);
-                snapshot.anchor_before(start_anchor.to_offset(&snapshot) + content_len)
-            });
-            let image = Arc::new(image);
-            let Some((crease_id, tx)) = insert_crease_for_mention(
-                excerpt_id,
-                text_anchor,
-                content_len,
-                MentionUri::PastedImage.name().into(),
-                IconName::Image.path().into(),
-                Some(Task::ready(Ok(image.clone())).shared()),
-                self.editor.clone(),
-                window,
-                cx,
-            ) else {
-                continue;
-            };
-            let task = cx
-                .spawn_in(window, {
-                    async move |_, cx| {
+                    )
+                }) else {
+                    continue;
+                };
+                let task = cx
+                    .spawn(async move |cx| {
                         let format = image.format;
                         let image = cx
                             .update(|_, cx| LanguageModelImage::from_image(image, cx))
@@ -994,15 +1035,16 @@ impl MessageEditor {
                         } else {
                             Err("Failed to convert image".into())
                         }
-                    }
+                    })
+                    .shared();
+
+                this.update(cx, |this, _| {
+                    this.mention_set
+                        .mentions
+                        .insert(crease_id, (MentionUri::PastedImage, task.clone()))
                 })
-                .shared();
+                .ok();
 
-            self.mention_set
-                .mentions
-                .insert(crease_id, (MentionUri::PastedImage, task.clone()));
-
-            cx.spawn_in(window, async move |this, cx| {
                 if task.await.notify_async_err(cx).is_none() {
                     this.update(cx, |this, cx| {
                         this.editor.update(cx, |editor, cx| {
@@ -1012,9 +1054,9 @@ impl MessageEditor {
                     })
                     .ok();
                 }
-            })
-            .detach();
-        }
+            }
+        })
+        .detach();
     }
 
     pub fn insert_dragged_files(
@@ -2671,13 +2713,14 @@ mod tests {
     }
 
     #[gpui::test]
-    async fn test_large_file_mention_uses_outline(cx: &mut TestAppContext) {
+    async fn test_large_file_mention_fallback(cx: &mut TestAppContext) {
         init_test(cx);
 
         let fs = FakeFs::new(cx.executor());
 
         // Create a large file that exceeds AUTO_OUTLINE_SIZE
-        const LINE: &str = "fn example_function() { /* some code */ }\n";
+        // Using plain text without a configured language, so no outline is available
+        const LINE: &str = "This is a line of text in the file\n";
         let large_content = LINE.repeat(2 * (outline::AUTO_OUTLINE_SIZE / LINE.len()));
         assert!(large_content.len() > outline::AUTO_OUTLINE_SIZE);
 
@@ -2688,8 +2731,8 @@ mod tests {
         fs.insert_tree(
             "/project",
             json!({
-                "large_file.rs": large_content.clone(),
-                "small_file.rs": small_content,
+                "large_file.txt": large_content.clone(),
+                "small_file.txt": small_content,
             }),
         )
         .await;
@@ -2735,7 +2778,7 @@ mod tests {
         let large_file_abs_path = project.read_with(cx, |project, cx| {
             let worktree = project.worktrees(cx).next().unwrap();
             let worktree_root = worktree.read(cx).abs_path();
-            worktree_root.join("large_file.rs")
+            worktree_root.join("large_file.txt")
         });
         let large_file_task = message_editor.update(cx, |editor, cx| {
             editor.confirm_mention_for_file(large_file_abs_path, cx)
@@ -2744,11 +2787,20 @@ mod tests {
         let large_file_mention = large_file_task.await.unwrap();
         match large_file_mention {
             Mention::Text { content, .. } => {
-                // Should contain outline header for large files
-                assert!(content.contains("File outline for"));
-                assert!(content.contains("file too large to show full content"));
-                // Should not contain the full repeated content
-                assert!(!content.contains(&LINE.repeat(100)));
+                // Should contain some of the content but not all of it
+                assert!(
+                    content.contains(LINE),
+                    "Should contain some of the file content"
+                );
+                assert!(
+                    !content.contains(&LINE.repeat(100)),
+                    "Should not contain the full file"
+                );
+                // Should be much smaller than original
+                assert!(
+                    content.len() < large_content.len() / 10,
+                    "Should be significantly truncated"
+                );
             }
             _ => panic!("Expected Text mention for large file"),
         }
@@ -2758,7 +2810,7 @@ mod tests {
         let small_file_abs_path = project.read_with(cx, |project, cx| {
             let worktree = project.worktrees(cx).next().unwrap();
             let worktree_root = worktree.read(cx).abs_path();
-            worktree_root.join("small_file.rs")
+            worktree_root.join("small_file.txt")
         });
         let small_file_task = message_editor.update(cx, |editor, cx| {
             editor.confirm_mention_for_file(small_file_abs_path, cx)
@@ -2767,10 +2819,8 @@ mod tests {
         let small_file_mention = small_file_task.await.unwrap();
         match small_file_mention {
             Mention::Text { content, .. } => {
-                // Should contain the actual content
+                // Should contain the full actual content
                 assert_eq!(content, small_content);
-                // Should not contain outline header
-                assert!(!content.contains("File outline for"));
             }
             _ => panic!("Expected Text mention for small file"),
         }

crates/agent_ui/src/acp/model_selector.rs

@@ -251,17 +251,17 @@ impl PickerDelegate for AcpModelPickerDelegate {
                                 .inset(true)
                                 .spacing(ListItemSpacing::Sparse)
                                 .toggle_state(selected)
-                                .start_slot::<Icon>(model_info.icon.map(|icon| {
-                                    Icon::new(icon)
-                                        .color(model_icon_color)
-                                        .size(IconSize::Small)
-                                }))
                                 .child(
                                     h_flex()
                                         .w_full()
-                                        .pl_0p5()
                                         .gap_1p5()
-                                        .w(px(240.))
+                                        .when_some(model_info.icon, |this, icon| {
+                                            this.child(
+                                                Icon::new(icon)
+                                                    .color(model_icon_color)
+                                                    .size(IconSize::Small)
+                                            )
+                                        })
                                         .child(Label::new(model_info.name.clone()).truncate()),
                                 )
                                 .end_slot(div().pr_3().when(is_selected, |this| {

crates/agent_ui/src/acp/thread_view.rs

@@ -51,7 +51,7 @@ use ui::{
     PopoverMenuHandle, SpinnerLabel, TintColor, Tooltip, WithScrollbar, prelude::*,
 };
 use util::{ResultExt, size::format_file_size, time::duration_alt_display};
-use workspace::{CollaboratorId, Workspace};
+use workspace::{CollaboratorId, NewTerminal, Workspace};
 use zed_actions::agent::{Chat, ToggleModelSelector};
 use zed_actions::assistant::OpenRulesLibrary;
 
@@ -69,8 +69,8 @@ use crate::ui::{
 };
 use crate::{
     AgentDiffPane, AgentPanel, AllowAlways, AllowOnce, ContinueThread, ContinueWithBurnMode,
-    CycleModeSelector, ExpandMessageEditor, Follow, KeepAll, OpenAgentDiff, OpenHistory, RejectAll,
-    RejectOnce, ToggleBurnMode, ToggleProfileSelector,
+    CycleModeSelector, ExpandMessageEditor, Follow, KeepAll, NewThread, OpenAgentDiff, OpenHistory,
+    RejectAll, RejectOnce, ToggleBurnMode, ToggleProfileSelector,
 };
 
 #[derive(Copy, Clone, Debug, PartialEq, Eq)]
@@ -278,6 +278,7 @@ pub struct AcpThreadView {
     notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
     thread_retry_status: Option<RetryStatus>,
     thread_error: Option<ThreadError>,
+    thread_error_markdown: Option<Entity<Markdown>>,
     thread_feedback: ThreadFeedbackState,
     list_state: ListState,
     auth_task: Option<Task<()>>,
@@ -415,6 +416,7 @@ impl AcpThreadView {
             list_state: list_state,
             thread_retry_status: None,
             thread_error: None,
+            thread_error_markdown: None,
             thread_feedback: Default::default(),
             auth_task: None,
             expanded_tool_calls: HashSet::default(),
@@ -798,6 +800,7 @@ impl AcpThreadView {
 
         if should_retry {
             self.thread_error = None;
+            self.thread_error_markdown = None;
             self.reset(window, cx);
         }
     }
@@ -1327,6 +1330,7 @@ impl AcpThreadView {
 
     fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
         self.thread_error = None;
+        self.thread_error_markdown = None;
         cx.notify();
     }
 
@@ -3140,7 +3144,7 @@ impl AcpThreadView {
                         .text_ui_sm(cx)
                         .h_full()
                         .children(terminal_view.map(|terminal_view| {
-                            if terminal_view
+                            let element = if terminal_view
                                 .read(cx)
                                 .content_mode(window, cx)
                                 .is_scrollable()
@@ -3148,7 +3152,15 @@ impl AcpThreadView {
                                 div().h_72().child(terminal_view).into_any_element()
                             } else {
                                 terminal_view.into_any_element()
-                            }
+                            };
+
+                            div()
+                                .on_action(cx.listener(|_this, _: &NewTerminal, window, cx| {
+                                    window.dispatch_action(NewThread.boxed_clone(), cx);
+                                    cx.stop_propagation();
+                                }))
+                                .child(element)
+                                .into_any_element()
                         })),
                 )
             })
@@ -5344,9 +5356,9 @@ impl AcpThreadView {
         }
     }
 
-    fn render_thread_error(&self, cx: &mut Context<Self>) -> Option<Div> {
+    fn render_thread_error(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
         let content = match self.thread_error.as_ref()? {
-            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), cx),
+            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), window, cx),
             ThreadError::Refusal => self.render_refusal_error(cx),
             ThreadError::AuthenticationRequired(error) => {
                 self.render_authentication_required_error(error.clone(), cx)
@@ -5431,7 +5443,12 @@ impl AcpThreadView {
             .dismiss_action(self.dismiss_error_button(cx))
     }
 
-    fn render_any_thread_error(&self, error: SharedString, cx: &mut Context<'_, Self>) -> Callout {
+    fn render_any_thread_error(
+        &mut self,
+        error: SharedString,
+        window: &mut Window,
+        cx: &mut Context<'_, Self>,
+    ) -> Callout {
         let can_resume = self
             .thread()
             .map_or(false, |thread| thread.read(cx).can_resume(cx));
@@ -5444,11 +5461,24 @@ impl AcpThreadView {
             supports_burn_mode && thread.completion_mode() == CompletionMode::Normal
         });
 
+        let markdown = if let Some(markdown) = &self.thread_error_markdown {
+            markdown.clone()
+        } else {
+            let markdown = cx.new(|cx| Markdown::new(error.clone(), None, None, cx));
+            self.thread_error_markdown = Some(markdown.clone());
+            markdown
+        };
+
+        let markdown_style = default_markdown_style(false, true, window, cx);
+        let description = self
+            .render_markdown(markdown, markdown_style)
+            .into_any_element();
+
         Callout::new()
             .severity(Severity::Error)
-            .title("Error")
             .icon(IconName::XCircle)
-            .description(error.clone())
+            .title("An Error Happened")
+            .description_slot(description)
             .actions_slot(
                 h_flex()
                     .gap_0p5()
@@ -5467,11 +5497,9 @@ impl AcpThreadView {
                     })
                     .when(can_resume, |this| {
                         this.child(
-                            Button::new("retry", "Retry")
-                                .icon(IconName::RotateCw)
-                                .icon_position(IconPosition::Start)
+                            IconButton::new("retry", IconName::RotateCw)
                                 .icon_size(IconSize::Small)
-                                .label_size(LabelSize::Small)
+                                .tooltip(Tooltip::text("Retry Generation"))
                                 .on_click(cx.listener(|this, _, _window, cx| {
                                     this.resume_chat(cx);
                                 })),
@@ -5613,7 +5641,6 @@ impl AcpThreadView {
 
         IconButton::new("copy", IconName::Copy)
             .icon_size(IconSize::Small)
-            .icon_color(Color::Muted)
             .tooltip(Tooltip::text("Copy Error Message"))
             .on_click(move |_, _, cx| {
                 cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
@@ -5623,7 +5650,6 @@ impl AcpThreadView {
     fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
         IconButton::new("dismiss", IconName::Close)
             .icon_size(IconSize::Small)
-            .icon_color(Color::Muted)
             .tooltip(Tooltip::text("Dismiss Error"))
             .on_click(cx.listener({
                 move |this, _, _, cx| {
@@ -5841,7 +5867,7 @@ impl Render for AcpThreadView {
                     None
                 }
             })
-            .children(self.render_thread_error(cx))
+            .children(self.render_thread_error(window, cx))
             .when_some(
                 self.new_server_version_available.as_ref().filter(|_| {
                     !has_messages || !matches!(self.thread_state, ThreadState::Ready { .. })
@@ -5907,7 +5933,6 @@ fn default_markdown_style(
         syntax: cx.theme().syntax().clone(),
         selection_background_color: colors.element_selection_background,
         code_block_overflow_x_scroll: true,
-        table_overflow_x_scroll: true,
         heading_level_styles: Some(HeadingLevelStyles {
             h1: Some(TextStyleRefinement {
                 font_size: Some(rems(1.15).into()),
@@ -5975,6 +6000,7 @@ fn default_markdown_style(
         },
         link: TextStyleRefinement {
             background_color: Some(colors.editor_foreground.opacity(0.025)),
+            color: Some(colors.text_accent),
             underline: Some(UnderlineStyle {
                 color: Some(colors.text_accent.opacity(0.5)),
                 thickness: px(1.),

crates/agent_ui/src/agent_configuration.rs

@@ -1,5 +1,5 @@
 mod add_llm_provider_modal;
-mod configure_context_server_modal;
+pub mod configure_context_server_modal;
 mod configure_context_server_tools_modal;
 mod manage_profiles_modal;
 mod tool_picker;
@@ -46,9 +46,8 @@ pub(crate) use configure_context_server_modal::ConfigureContextServerModal;
 pub(crate) use configure_context_server_tools_modal::ConfigureContextServerToolsModal;
 pub(crate) use manage_profiles_modal::ManageProfilesModal;
 
-use crate::{
-    AddContextServer,
-    agent_configuration::add_llm_provider_modal::{AddLlmProviderModal, LlmCompatibleProvider},
+use crate::agent_configuration::add_llm_provider_modal::{
+    AddLlmProviderModal, LlmCompatibleProvider,
 };
 
 pub struct AgentConfiguration {
@@ -553,7 +552,9 @@ impl AgentConfiguration {
                 move |window, cx| {
                     Some(ContextMenu::build(window, cx, |menu, _window, _cx| {
                         menu.entry("Add Custom Server", None, {
-                            |window, cx| window.dispatch_action(AddContextServer.boxed_clone(), cx)
+                            |window, cx| {
+                                window.dispatch_action(crate::AddContextServer.boxed_clone(), cx)
+                            }
                         })
                         .entry("Install from Extensions", None, {
                             |window, cx| {
@@ -651,7 +652,7 @@ impl AgentConfiguration {
         let is_running = matches!(server_status, ContextServerStatus::Running);
         let item_id = SharedString::from(context_server_id.0.clone());
         // Servers without a configuration can only be provided by extensions.
-        let provided_by_extension = server_configuration.is_none_or(|config| {
+        let provided_by_extension = server_configuration.as_ref().is_none_or(|config| {
             matches!(
                 config.as_ref(),
                 ContextServerConfiguration::Extension { .. }
@@ -707,7 +708,10 @@ impl AgentConfiguration {
                 "Server is stopped.",
             ),
         };
-
+        let is_remote = server_configuration
+            .as_ref()
+            .map(|config| matches!(config.as_ref(), ContextServerConfiguration::Http { .. }))
+            .unwrap_or(false);
         let context_server_configuration_menu = PopoverMenu::new("context-server-config-menu")
             .trigger_with_tooltip(
                 IconButton::new("context-server-config-menu", IconName::Settings)
@@ -730,14 +734,25 @@ impl AgentConfiguration {
                             let language_registry = language_registry.clone();
                             let workspace = workspace.clone();
                             move |window, cx| {
-                                ConfigureContextServerModal::show_modal_for_existing_server(
-                                    context_server_id.clone(),
-                                    language_registry.clone(),
-                                    workspace.clone(),
-                                    window,
-                                    cx,
-                                )
-                                .detach_and_log_err(cx);
+                                if is_remote {
+                                    crate::agent_configuration::configure_context_server_modal::ConfigureContextServerModal::show_modal_for_existing_server(
+                                        context_server_id.clone(),
+                                        language_registry.clone(),
+                                        workspace.clone(),
+                                        window,
+                                        cx,
+                                    )
+                                    .detach();
+                                } else {
+                                    ConfigureContextServerModal::show_modal_for_existing_server(
+                                        context_server_id.clone(),
+                                        language_registry.clone(),
+                                        workspace.clone(),
+                                        window,
+                                        cx,
+                                    )
+                                    .detach();
+                                }
                             }
                         }).when(tool_count > 0, |this| this.entry("View Tools", None, {
                             let context_server_id = context_server_id.clone();

crates/agent_ui/src/agent_configuration/add_llm_provider_modal.rs

@@ -3,16 +3,42 @@ use std::sync::Arc;
 use anyhow::Result;
 use collections::HashSet;
 use fs::Fs;
-use gpui::{DismissEvent, Entity, EventEmitter, FocusHandle, Focusable, Render, Task};
+use gpui::{
+    DismissEvent, Entity, EventEmitter, FocusHandle, Focusable, Render, ScrollHandle, Task,
+};
 use language_model::LanguageModelRegistry;
 use language_models::provider::open_ai_compatible::{AvailableModel, ModelCapabilities};
 use settings::{OpenAiCompatibleSettingsContent, update_settings_file};
 use ui::{
-    Banner, Checkbox, KeyBinding, Modal, ModalFooter, ModalHeader, Section, ToggleState, prelude::*,
+    Banner, Checkbox, KeyBinding, Modal, ModalFooter, ModalHeader, Section, ToggleState,
+    WithScrollbar, prelude::*,
 };
 use ui_input::InputField;
 use workspace::{ModalView, Workspace};
 
+fn single_line_input(
+    label: impl Into<SharedString>,
+    placeholder: impl Into<SharedString>,
+    text: Option<&str>,
+    tab_index: isize,
+    window: &mut Window,
+    cx: &mut App,
+) -> Entity<InputField> {
+    cx.new(|cx| {
+        let input = InputField::new(window, cx, placeholder)
+            .label(label)
+            .tab_index(tab_index)
+            .tab_stop(true);
+
+        if let Some(text) = text {
+            input
+                .editor()
+                .update(cx, |editor, cx| editor.set_text(text, window, cx));
+        }
+        input
+    })
+}
+
 #[derive(Clone, Copy)]
 pub enum LlmCompatibleProvider {
     OpenAi,
@@ -41,12 +67,14 @@ struct AddLlmProviderInput {
 
 impl AddLlmProviderInput {
     fn new(provider: LlmCompatibleProvider, window: &mut Window, cx: &mut App) -> Self {
-        let provider_name = single_line_input("Provider Name", provider.name(), None, window, cx);
-        let api_url = single_line_input("API URL", provider.api_url(), None, window, cx);
+        let provider_name =
+            single_line_input("Provider Name", provider.name(), None, 1, window, cx);
+        let api_url = single_line_input("API URL", provider.api_url(), None, 2, window, cx);
         let api_key = single_line_input(
             "API Key",
             "000000000000000000000000000000000000000000000000",
             None,
+            3,
             window,
             cx,
         );
@@ -55,12 +83,13 @@ impl AddLlmProviderInput {
             provider_name,
             api_url,
             api_key,
-            models: vec![ModelInput::new(window, cx)],
+            models: vec![ModelInput::new(0, window, cx)],
         }
     }
 
     fn add_model(&mut self, window: &mut Window, cx: &mut App) {
-        self.models.push(ModelInput::new(window, cx));
+        let model_index = self.models.len();
+        self.models.push(ModelInput::new(model_index, window, cx));
     }
 
     fn remove_model(&mut self, index: usize) {
@@ -84,11 +113,14 @@ struct ModelInput {
 }
 
 impl ModelInput {
-    fn new(window: &mut Window, cx: &mut App) -> Self {
+    fn new(model_index: usize, window: &mut Window, cx: &mut App) -> Self {
+        let base_tab_index = (3 + (model_index * 4)) as isize;
+
         let model_name = single_line_input(
             "Model Name",
             "e.g. gpt-4o, claude-opus-4, gemini-2.5-pro",
             None,
+            base_tab_index + 1,
             window,
             cx,
         );
@@ -96,6 +128,7 @@ impl ModelInput {
             "Max Completion Tokens",
             "200000",
             Some("200000"),
+            base_tab_index + 2,
             window,
             cx,
         );
@@ -103,16 +136,26 @@ impl ModelInput {
             "Max Output Tokens",
             "Max Output Tokens",
             Some("32000"),
+            base_tab_index + 3,
             window,
             cx,
         );
-        let max_tokens = single_line_input("Max Tokens", "Max Tokens", Some("200000"), window, cx);
+        let max_tokens = single_line_input(
+            "Max Tokens",
+            "Max Tokens",
+            Some("200000"),
+            base_tab_index + 4,
+            window,
+            cx,
+        );
+
         let ModelCapabilities {
             tools,
             images,
             parallel_tool_calls,
             prompt_cache_key,
         } = ModelCapabilities::default();
+
         Self {
             name: model_name,
             max_completion_tokens,
@@ -165,24 +208,6 @@ impl ModelInput {
     }
 }
 
-fn single_line_input(
-    label: impl Into<SharedString>,
-    placeholder: impl Into<SharedString>,
-    text: Option<&str>,
-    window: &mut Window,
-    cx: &mut App,
-) -> Entity<InputField> {
-    cx.new(|cx| {
-        let input = InputField::new(window, cx, placeholder).label(label);
-        if let Some(text) = text {
-            input
-                .editor()
-                .update(cx, |editor, cx| editor.set_text(text, window, cx));
-        }
-        input
-    })
-}
-
 fn save_provider_to_settings(
     input: &AddLlmProviderInput,
     cx: &mut App,
@@ -258,6 +283,7 @@ fn save_provider_to_settings(
 pub struct AddLlmProviderModal {
     provider: LlmCompatibleProvider,
     input: AddLlmProviderInput,
+    scroll_handle: ScrollHandle,
     focus_handle: FocusHandle,
     last_error: Option<SharedString>,
 }
@@ -278,6 +304,7 @@ impl AddLlmProviderModal {
             provider,
             last_error: None,
             focus_handle: cx.focus_handle(),
+            scroll_handle: ScrollHandle::new(),
         }
     }
 
@@ -418,6 +445,19 @@ impl AddLlmProviderModal {
                 )
             })
     }
+
+    fn on_tab(&mut self, _: &menu::SelectNext, window: &mut Window, _: &mut Context<Self>) {
+        window.focus_next();
+    }
+
+    fn on_tab_prev(
+        &mut self,
+        _: &menu::SelectPrevious,
+        window: &mut Window,
+        _: &mut Context<Self>,
+    ) {
+        window.focus_prev();
+    }
 }
 
 impl EventEmitter<DismissEvent> for AddLlmProviderModal {}
@@ -431,15 +471,27 @@ impl Focusable for AddLlmProviderModal {
 impl ModalView for AddLlmProviderModal {}
 
 impl Render for AddLlmProviderModal {
-    fn render(&mut self, _window: &mut ui::Window, cx: &mut ui::Context<Self>) -> impl IntoElement {
+    fn render(&mut self, window: &mut ui::Window, cx: &mut ui::Context<Self>) -> impl IntoElement {
         let focus_handle = self.focus_handle(cx);
 
-        div()
+        let window_size = window.viewport_size();
+        let rem_size = window.rem_size();
+        let is_large_window = window_size.height / rem_size > rems_from_px(600.).0;
+
+        let modal_max_height = if is_large_window {
+            rems_from_px(450.)
+        } else {
+            rems_from_px(200.)
+        };
+
+        v_flex()
             .id("add-llm-provider-modal")
             .key_context("AddLlmProviderModal")
             .w(rems(34.))
             .elevation_3(cx)
             .on_action(cx.listener(Self::cancel))
+            .on_action(cx.listener(Self::on_tab))
+            .on_action(cx.listener(Self::on_tab_prev))
             .capture_any_mouse_down(cx.listener(|this, _, window, cx| {
                 this.focus_handle(cx).focus(window);
             }))
@@ -462,17 +514,25 @@ impl Render for AddLlmProviderModal {
                         )
                     })
                     .child(
-                        v_flex()
-                            .id("modal_content")
+                        div()
                             .size_full()
-                            .max_h_128()
-                            .overflow_y_scroll()
-                            .px(DynamicSpacing::Base12.rems(cx))
-                            .gap(DynamicSpacing::Base04.rems(cx))
-                            .child(self.input.provider_name.clone())
-                            .child(self.input.api_url.clone())
-                            .child(self.input.api_key.clone())
-                            .child(self.render_model_section(cx)),
+                            .vertical_scrollbar_for(self.scroll_handle.clone(), window, cx)
+                            .child(
+                                v_flex()
+                                    .id("modal_content")
+                                    .size_full()
+                                    .tab_group()
+                                    .max_h(modal_max_height)
+                                    .pl_3()
+                                    .pr_4()
+                                    .gap_2()
+                                    .overflow_y_scroll()
+                                    .track_scroll(&self.scroll_handle)
+                                    .child(self.input.provider_name.clone())
+                                    .child(self.input.api_url.clone())
+                                    .child(self.input.api_key.clone())
+                                    .child(self.render_model_section(cx)),
+                            ),
                     )
                     .footer(
                         ModalFooter::new().end_slot(
@@ -642,7 +702,7 @@ mod tests {
         let cx = setup_test(cx).await;
 
         cx.update(|window, cx| {
-            let model_input = ModelInput::new(window, cx);
+            let model_input = ModelInput::new(0, window, cx);
             model_input.name.update(cx, |input, cx| {
                 input.editor().update(cx, |editor, cx| {
                     editor.set_text("somemodel", window, cx);
@@ -678,7 +738,7 @@ mod tests {
         let cx = setup_test(cx).await;
 
         cx.update(|window, cx| {
-            let mut model_input = ModelInput::new(window, cx);
+            let mut model_input = ModelInput::new(0, window, cx);
             model_input.name.update(cx, |input, cx| {
                 input.editor().update(cx, |editor, cx| {
                     editor.set_text("somemodel", window, cx);
@@ -703,7 +763,7 @@ mod tests {
         let cx = setup_test(cx).await;
 
         cx.update(|window, cx| {
-            let mut model_input = ModelInput::new(window, cx);
+            let mut model_input = ModelInput::new(0, window, cx);
             model_input.name.update(cx, |input, cx| {
                 input.editor().update(cx, |editor, cx| {
                     editor.set_text("somemodel", window, cx);
@@ -767,7 +827,7 @@ mod tests {
                 models.iter().enumerate()
             {
                 if i >= input.models.len() {
-                    input.models.push(ModelInput::new(window, cx));
+                    input.models.push(ModelInput::new(i, window, cx));
                 }
                 let model = &mut input.models[i];
                 set_text(&model.name, name, window, cx);

crates/agent_ui/src/agent_configuration/configure_context_server_modal.rs

@@ -4,11 +4,12 @@ use std::{
 };
 
 use anyhow::{Context as _, Result};
+use collections::HashMap;
 use context_server::{ContextServerCommand, ContextServerId};
 use editor::{Editor, EditorElement, EditorStyle};
 use gpui::{
-    AsyncWindowContext, DismissEvent, Entity, EventEmitter, FocusHandle, Focusable, Task,
-    TextStyle, TextStyleRefinement, UnderlineStyle, WeakEntity, prelude::*,
+    AsyncWindowContext, DismissEvent, Entity, EventEmitter, FocusHandle, Focusable, ScrollHandle,
+    Task, TextStyle, TextStyleRefinement, UnderlineStyle, WeakEntity, prelude::*,
 };
 use language::{Language, LanguageRegistry};
 use markdown::{Markdown, MarkdownElement, MarkdownStyle};
@@ -20,10 +21,12 @@ use project::{
     project_settings::{ContextServerSettings, ProjectSettings},
     worktree_store::WorktreeStore,
 };
+use serde::Deserialize;
 use settings::{Settings as _, update_settings_file};
 use theme::ThemeSettings;
 use ui::{
-    CommonAnimationExt, KeyBinding, Modal, ModalFooter, ModalHeader, Section, Tooltip, prelude::*,
+    CommonAnimationExt, KeyBinding, Modal, ModalFooter, ModalHeader, Section, Tooltip,
+    WithScrollbar, prelude::*,
 };
 use util::ResultExt as _;
 use workspace::{ModalView, Workspace};
@@ -36,6 +39,11 @@ enum ConfigurationTarget {
         id: ContextServerId,
         command: ContextServerCommand,
     },
+    ExistingHttp {
+        id: ContextServerId,
+        url: String,
+        headers: HashMap<String, String>,
+    },
     Extension {
         id: ContextServerId,
         repository_url: Option<SharedString>,
@@ -46,9 +54,11 @@ enum ConfigurationTarget {
 enum ConfigurationSource {
     New {
         editor: Entity<Editor>,
+        is_http: bool,
     },
     Existing {
         editor: Entity<Editor>,
+        is_http: bool,
     },
     Extension {
         id: ContextServerId,
@@ -96,6 +106,7 @@ impl ConfigurationSource {
         match target {
             ConfigurationTarget::New => ConfigurationSource::New {
                 editor: create_editor(context_server_input(None), jsonc_language, window, cx),
+                is_http: false,
             },
             ConfigurationTarget::Existing { id, command } => ConfigurationSource::Existing {
                 editor: create_editor(
@@ -104,6 +115,20 @@ impl ConfigurationSource {
                     window,
                     cx,
                 ),
+                is_http: false,
+            },
+            ConfigurationTarget::ExistingHttp {
+                id,
+                url,
+                headers: auth,
+            } => ConfigurationSource::Existing {
+                editor: create_editor(
+                    context_server_http_input(Some((id, url, auth))),
+                    jsonc_language,
+                    window,
+                    cx,
+                ),
+                is_http: true,
             },
             ConfigurationTarget::Extension {
                 id,
@@ -140,16 +165,30 @@ impl ConfigurationSource {
 
     fn output(&self, cx: &mut App) -> Result<(ContextServerId, ContextServerSettings)> {
         match self {
-            ConfigurationSource::New { editor } | ConfigurationSource::Existing { editor } => {
-                parse_input(&editor.read(cx).text(cx)).map(|(id, command)| {
-                    (
-                        id,
-                        ContextServerSettings::Custom {
-                            enabled: true,
-                            command,
-                        },
-                    )
-                })
+            ConfigurationSource::New { editor, is_http }
+            | ConfigurationSource::Existing { editor, is_http } => {
+                if *is_http {
+                    parse_http_input(&editor.read(cx).text(cx)).map(|(id, url, auth)| {
+                        (
+                            id,
+                            ContextServerSettings::Http {
+                                enabled: true,
+                                url,
+                                headers: auth,
+                            },
+                        )
+                    })
+                } else {
+                    parse_input(&editor.read(cx).text(cx)).map(|(id, command)| {
+                        (
+                            id,
+                            ContextServerSettings::Custom {
+                                enabled: true,
+                                command,
+                            },
+                        )
+                    })
+                }
             }
             ConfigurationSource::Extension {
                 id,
@@ -211,6 +250,66 @@ fn context_server_input(existing: Option<(ContextServerId, ContextServerCommand)
     )
 }
 
+fn context_server_http_input(
+    existing: Option<(ContextServerId, String, HashMap<String, String>)>,
+) -> String {
+    let (name, url, headers) = match existing {
+        Some((id, url, headers)) => {
+            let header = if headers.is_empty() {
+                r#"// "Authorization": "Bearer <token>"#.to_string()
+            } else {
+                let json = serde_json::to_string_pretty(&headers).unwrap();
+                let mut lines = json.split("\n").collect::<Vec<_>>();
+                if lines.len() > 1 {
+                    lines.remove(0);
+                    lines.pop();
+                }
+                lines
+                    .into_iter()
+                    .map(|line| format!("  {}", line))
+                    .collect::<String>()
+            };
+            (id.0.to_string(), url, header)
+        }
+        None => (
+            "some-remote-server".to_string(),
+            "https://example.com/mcp".to_string(),
+            r#"// "Authorization": "Bearer <token>"#.to_string(),
+        ),
+    };
+
+    format!(
+        r#"{{
+  /// The name of your remote MCP server
+  "{name}": {{
+    /// The URL of the remote MCP server
+    "url": "{url}",
+    "headers": {{
+     /// Any headers to send along
+     {headers}
+    }}
+  }}
+}}"#
+    )
+}
+
+fn parse_http_input(text: &str) -> Result<(ContextServerId, String, HashMap<String, String>)> {
+    #[derive(Deserialize)]
+    struct Temp {
+        url: String,
+        #[serde(default)]
+        headers: HashMap<String, String>,
+    }
+    let value: HashMap<String, Temp> = serde_json_lenient::from_str(text)?;
+    if value.len() != 1 {
+        anyhow::bail!("Expected exactly one context server configuration");
+    }
+
+    let (key, value) = value.into_iter().next().unwrap();
+
+    Ok((ContextServerId(key.into()), value.url, value.headers))
+}
+
 fn resolve_context_server_extension(
     id: ContextServerId,
     worktree_store: Entity<WorktreeStore>,
@@ -252,6 +351,7 @@ pub struct ConfigureContextServerModal {
     source: ConfigurationSource,
     state: State,
     original_server_id: Option<ContextServerId>,
+    scroll_handle: ScrollHandle,
 }
 
 impl ConfigureContextServerModal {
@@ -310,6 +410,15 @@ impl ConfigureContextServerModal {
                     id: server_id,
                     command,
                 }),
+                ContextServerSettings::Http {
+                    enabled: _,
+                    url,
+                    headers,
+                } => Some(ConfigurationTarget::ExistingHttp {
+                    id: server_id,
+                    url,
+                    headers,
+                }),
                 ContextServerSettings::Extension { .. } => {
                     match workspace
                         .update(cx, |workspace, cx| {
@@ -351,6 +460,7 @@ impl ConfigureContextServerModal {
                     state: State::Idle,
                     original_server_id: match &target {
                         ConfigurationTarget::Existing { id, .. } => Some(id.clone()),
+                        ConfigurationTarget::ExistingHttp { id, .. } => Some(id.clone()),
                         ConfigurationTarget::Extension { id, .. } => Some(id.clone()),
                         ConfigurationTarget::New => None,
                     },
@@ -361,6 +471,7 @@ impl ConfigureContextServerModal {
                         window,
                         cx,
                     ),
+                    scroll_handle: ScrollHandle::new(),
                 })
             })
         })
@@ -478,7 +589,7 @@ impl ModalView for ConfigureContextServerModal {}
 impl Focusable for ConfigureContextServerModal {
     fn focus_handle(&self, cx: &App) -> FocusHandle {
         match &self.source {
-            ConfigurationSource::New { editor } => editor.focus_handle(cx),
+            ConfigurationSource::New { editor, .. } => editor.focus_handle(cx),
             ConfigurationSource::Existing { editor, .. } => editor.focus_handle(cx),
             ConfigurationSource::Extension { editor, .. } => editor
                 .as_ref()
@@ -524,9 +635,10 @@ impl ConfigureContextServerModal {
     }
 
     fn render_modal_content(&self, cx: &App) -> AnyElement {
+        // All variants now use single editor approach
         let editor = match &self.source {
-            ConfigurationSource::New { editor } => editor,
-            ConfigurationSource::Existing { editor } => editor,
+            ConfigurationSource::New { editor, .. } => editor,
+            ConfigurationSource::Existing { editor, .. } => editor,
             ConfigurationSource::Extension { editor, .. } => {
                 let Some(editor) = editor else {
                     return div().into_any_element();
@@ -598,6 +710,36 @@ impl ConfigureContextServerModal {
                                 move |_, _, cx| cx.open_url(&repository_url)
                             }),
                     )
+                } else if let ConfigurationSource::New { is_http, .. } = &self.source {
+                    let label = if *is_http {
+                        "Run command"
+                    } else {
+                        "Connect via HTTP"
+                    };
+                    let tooltip = if *is_http {
+                        "Configure an MCP serevr that runs on stdin/stdout."
+                    } else {
+                        "Configure an MCP server that you connect to over HTTP"
+                    };
+
+                    Some(
+                        Button::new("toggle-kind", label)
+                            .tooltip(Tooltip::text(tooltip))
+                            .on_click(cx.listener(|this, _, window, cx| match &mut this.source {
+                                ConfigurationSource::New { editor, is_http } => {
+                                    *is_http = !*is_http;
+                                    let new_text = if *is_http {
+                                        context_server_http_input(None)
+                                    } else {
+                                        context_server_input(None)
+                                    };
+                                    editor.update(cx, |editor, cx| {
+                                        editor.set_text(new_text, window, cx);
+                                    })
+                                }
+                                _ => {}
+                            })),
+                    )
                 } else {
                     None
                 },
@@ -680,6 +822,7 @@ impl ConfigureContextServerModal {
 
 impl Render for ConfigureContextServerModal {
     fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+        let scroll_handle = self.scroll_handle.clone();
         div()
             .elevation_3(cx)
             .w(rems(34.))
@@ -699,14 +842,29 @@ impl Render for ConfigureContextServerModal {
                 Modal::new("configure-context-server", None)
                     .header(self.render_modal_header())
                     .section(
-                        Section::new()
-                            .child(self.render_modal_description(window, cx))
-                            .child(self.render_modal_content(cx))
-                            .child(match &self.state {
-                                State::Idle => div(),
-                                State::Waiting => Self::render_waiting_for_context_server(),
-                                State::Error(error) => Self::render_modal_error(error.clone()),
-                            }),
+                        Section::new().child(
+                            div()
+                                .size_full()
+                                .child(
+                                    div()
+                                        .id("modal-content")
+                                        .max_h(vh(0.7, window))
+                                        .overflow_y_scroll()
+                                        .track_scroll(&scroll_handle)
+                                        .child(self.render_modal_description(window, cx))
+                                        .child(self.render_modal_content(cx))
+                                        .child(match &self.state {
+                                            State::Idle => div(),
+                                            State::Waiting => {
+                                                Self::render_waiting_for_context_server()
+                                            }
+                                            State::Error(error) => {
+                                                Self::render_modal_error(error.clone())
+                                            }
+                                        }),
+                                )
+                                .vertical_scrollbar_for(scroll_handle, window, cx),
+                        ),
                     )
                     .footer(self.render_modal_footer(cx)),
             )

crates/agent_ui/src/agent_panel.rs

@@ -1892,6 +1892,9 @@ impl AgentPanel {
             .anchor(Corner::TopRight)
             .with_handle(self.new_thread_menu_handle.clone())
             .menu({
+                let selected_agent = self.selected_agent.clone();
+                let is_agent_selected = move |agent_type: AgentType| selected_agent == agent_type;
+
                 let workspace = self.workspace.clone();
                 let is_via_collab = workspace
                     .update(cx, |workspace, cx| {
@@ -1905,7 +1908,6 @@ impl AgentPanel {
                     let active_thread = active_thread.clone();
                     Some(ContextMenu::build(window, cx, |menu, _window, cx| {
                         menu.context(focus_handle.clone())
-                            .header("Zed Agent")
                             .when_some(active_thread, |this, active_thread| {
                                 let thread = active_thread.read(cx);
 
@@ -1929,9 +1931,11 @@ impl AgentPanel {
                                 }
                             })
                             .item(
-                                ContextMenuEntry::new("New Thread")
-                                    .action(NewThread.boxed_clone())
-                                    .icon(IconName::Thread)
+                                ContextMenuEntry::new("Zed Agent")
+                                    .when(is_agent_selected(AgentType::NativeAgent) | is_agent_selected(AgentType::TextThread) , |this| {
+                                        this.action(Box::new(NewExternalAgentThread { agent: None }))
+                                    })
+                                    .icon(IconName::ZedAgent)
                                     .icon_color(Color::Muted)
                                     .handler({
                                         let workspace = workspace.clone();
@@ -1955,10 +1959,10 @@ impl AgentPanel {
                                     }),
                             )
                             .item(
-                                ContextMenuEntry::new("New Text Thread")
+                                ContextMenuEntry::new("Text Thread")
+                                    .action(NewTextThread.boxed_clone())
                                     .icon(IconName::TextThread)
                                     .icon_color(Color::Muted)
-                                    .action(NewTextThread.boxed_clone())
                                     .handler({
                                         let workspace = workspace.clone();
                                         move |window, cx| {
@@ -1983,7 +1987,10 @@ impl AgentPanel {
                             .separator()
                             .header("External Agents")
                             .item(
-                                ContextMenuEntry::new("New Claude Code")
+                                ContextMenuEntry::new("Claude Code")
+                                    .when(is_agent_selected(AgentType::ClaudeCode), |this| {
+                                        this.action(Box::new(NewExternalAgentThread { agent: None }))
+                                    })
                                     .icon(IconName::AiClaude)
                                     .disabled(is_via_collab)
                                     .icon_color(Color::Muted)
@@ -2009,7 +2016,10 @@ impl AgentPanel {
                                     }),
                             )
                             .item(
-                                ContextMenuEntry::new("New Codex CLI")
+                                ContextMenuEntry::new("Codex CLI")
+                                    .when(is_agent_selected(AgentType::Codex), |this| {
+                                        this.action(Box::new(NewExternalAgentThread { agent: None }))
+                                    })
                                     .icon(IconName::AiOpenAi)
                                     .disabled(is_via_collab)
                                     .icon_color(Color::Muted)
@@ -2035,7 +2045,10 @@ impl AgentPanel {
                                     }),
                             )
                             .item(
-                                ContextMenuEntry::new("New Gemini CLI")
+                                ContextMenuEntry::new("Gemini CLI")
+                                    .when(is_agent_selected(AgentType::Gemini), |this| {
+                                        this.action(Box::new(NewExternalAgentThread { agent: None }))
+                                    })
                                     .icon(IconName::AiGemini)
                                     .icon_color(Color::Muted)
                                     .disabled(is_via_collab)
@@ -2061,8 +2074,8 @@ impl AgentPanel {
                                     }),
                             )
                             .map(|mut menu| {
-                                let agent_server_store_read = agent_server_store.read(cx);
-                                let agent_names = agent_server_store_read
+                                let agent_server_store = agent_server_store.read(cx);
+                                let agent_names = agent_server_store
                                     .external_agents()
                                     .filter(|name| {
                                         name.0 != GEMINI_NAME
@@ -2071,21 +2084,38 @@ impl AgentPanel {
                                     })
                                     .cloned()
                                     .collect::<Vec<_>>();
+
                                 let custom_settings = cx
                                     .global::<SettingsStore>()
                                     .get::<AllAgentServersSettings>(None)
                                     .custom
                                     .clone();
+
                                 for agent_name in agent_names {
-                                    let icon_path = agent_server_store_read.agent_icon(&agent_name);
-                                    let mut entry =
-                                        ContextMenuEntry::new(format!("New {}", agent_name));
+                                    let icon_path = agent_server_store.agent_icon(&agent_name);
+
+                                    let mut entry = ContextMenuEntry::new(agent_name.clone());
+
+                                    let command = custom_settings
+                                        .get(&agent_name.0)
+                                        .map(|settings| settings.command.clone())
+                                        .unwrap_or(placeholder_command());
+
                                     if let Some(icon_path) = icon_path {
                                         entry = entry.custom_icon_svg(icon_path);
                                     } else {
                                         entry = entry.icon(IconName::Terminal);
                                     }
                                     entry = entry
+                                        .when(
+                                            is_agent_selected(AgentType::Custom {
+                                                name: agent_name.0.clone(),
+                                                command: command.clone(),
+                                            }),
+                                            |this| {
+                                                this.action(Box::new(NewExternalAgentThread { agent: None }))
+                                            },
+                                        )
                                         .icon_color(Color::Muted)
                                         .disabled(is_via_collab)
                                         .handler({
@@ -2125,6 +2155,7 @@ impl AgentPanel {
                                                 }
                                             }
                                         });
+
                                     menu = menu.item(entry);
                                 }
 
@@ -2157,7 +2188,7 @@ impl AgentPanel {
             .id("selected_agent_icon")
             .when_some(selected_agent_custom_icon, |this, icon_path| {
                 let label = selected_agent_label.clone();
-                this.px(DynamicSpacing::Base02.rems(cx))
+                this.px_1()
                     .child(Icon::from_external_svg(icon_path).color(Color::Muted))
                     .tooltip(move |_window, cx| {
                         Tooltip::with_meta(label.clone(), None, "Selected Agent", cx)
@@ -2166,7 +2197,7 @@ impl AgentPanel {
             .when(!has_custom_icon, |this| {
                 this.when_some(self.selected_agent.icon(), |this, icon| {
                     let label = selected_agent_label.clone();
-                    this.px(DynamicSpacing::Base02.rems(cx))
+                    this.px_1()
                         .child(Icon::new(icon).color(Color::Muted))
                         .tooltip(move |_window, cx| {
                             Tooltip::with_meta(label.clone(), None, "Selected Agent", cx)

crates/agent_ui/src/agent_ui.rs

@@ -30,7 +30,10 @@ use command_palette_hooks::CommandPaletteFilter;
 use feature_flags::FeatureFlagAppExt as _;
 use fs::Fs;
 use gpui::{Action, App, Entity, SharedString, actions};
-use language::LanguageRegistry;
+use language::{
+    LanguageRegistry,
+    language_settings::{AllLanguageSettings, EditPredictionProvider},
+};
 use language_model::{
     ConfiguredModel, LanguageModel, LanguageModelId, LanguageModelProviderId, LanguageModelRegistry,
 };
@@ -286,7 +289,25 @@ pub fn init(
 
 fn update_command_palette_filter(cx: &mut App) {
     let disable_ai = DisableAiSettings::get_global(cx).disable_ai;
+    let agent_enabled = AgentSettings::get_global(cx).enabled;
+    let edit_prediction_provider = AllLanguageSettings::get_global(cx)
+        .edit_predictions
+        .provider;
+
     CommandPaletteFilter::update_global(cx, |filter, _| {
+        use editor::actions::{
+            AcceptEditPrediction, AcceptPartialEditPrediction, NextEditPrediction,
+            PreviousEditPrediction, ShowEditPrediction, ToggleEditPrediction,
+        };
+        let edit_prediction_actions = [
+            TypeId::of::<AcceptEditPrediction>(),
+            TypeId::of::<AcceptPartialEditPrediction>(),
+            TypeId::of::<ShowEditPrediction>(),
+            TypeId::of::<NextEditPrediction>(),
+            TypeId::of::<PreviousEditPrediction>(),
+            TypeId::of::<ToggleEditPrediction>(),
+        ];
+
         if disable_ai {
             filter.hide_namespace("agent");
             filter.hide_namespace("assistant");
@@ -295,42 +316,47 @@ fn update_command_palette_filter(cx: &mut App) {
             filter.hide_namespace("zed_predict_onboarding");
             filter.hide_namespace("edit_prediction");
 
-            use editor::actions::{
-                AcceptEditPrediction, AcceptPartialEditPrediction, NextEditPrediction,
-                PreviousEditPrediction, ShowEditPrediction, ToggleEditPrediction,
-            };
-            let edit_prediction_actions = [
-                TypeId::of::<AcceptEditPrediction>(),
-                TypeId::of::<AcceptPartialEditPrediction>(),
-                TypeId::of::<ShowEditPrediction>(),
-                TypeId::of::<NextEditPrediction>(),
-                TypeId::of::<PreviousEditPrediction>(),
-                TypeId::of::<ToggleEditPrediction>(),
-            ];
             filter.hide_action_types(&edit_prediction_actions);
             filter.hide_action_types(&[TypeId::of::<zed_actions::OpenZedPredictOnboarding>()]);
         } else {
-            filter.show_namespace("agent");
+            if agent_enabled {
+                filter.show_namespace("agent");
+            } else {
+                filter.hide_namespace("agent");
+            }
+
             filter.show_namespace("assistant");
-            filter.show_namespace("copilot");
+
+            match edit_prediction_provider {
+                EditPredictionProvider::None => {
+                    filter.hide_namespace("edit_prediction");
+                    filter.hide_namespace("copilot");
+                    filter.hide_namespace("supermaven");
+                    filter.hide_action_types(&edit_prediction_actions);
+                }
+                EditPredictionProvider::Copilot => {
+                    filter.show_namespace("edit_prediction");
+                    filter.show_namespace("copilot");
+                    filter.hide_namespace("supermaven");
+                    filter.show_action_types(edit_prediction_actions.iter());
+                }
+                EditPredictionProvider::Supermaven => {
+                    filter.show_namespace("edit_prediction");
+                    filter.hide_namespace("copilot");
+                    filter.show_namespace("supermaven");
+                    filter.show_action_types(edit_prediction_actions.iter());
+                }
+                EditPredictionProvider::Zed
+                | EditPredictionProvider::Codestral
+                | EditPredictionProvider::Experimental(_) => {
+                    filter.show_namespace("edit_prediction");
+                    filter.hide_namespace("copilot");
+                    filter.hide_namespace("supermaven");
+                    filter.show_action_types(edit_prediction_actions.iter());
+                }
+            }
+
             filter.show_namespace("zed_predict_onboarding");
-
-            filter.show_namespace("edit_prediction");
-
-            use editor::actions::{
-                AcceptEditPrediction, AcceptPartialEditPrediction, NextEditPrediction,
-                PreviousEditPrediction, ShowEditPrediction, ToggleEditPrediction,
-            };
-            let edit_prediction_actions = [
-                TypeId::of::<AcceptEditPrediction>(),
-                TypeId::of::<AcceptPartialEditPrediction>(),
-                TypeId::of::<ShowEditPrediction>(),
-                TypeId::of::<NextEditPrediction>(),
-                TypeId::of::<PreviousEditPrediction>(),
-                TypeId::of::<ToggleEditPrediction>(),
-            ];
-            filter.show_action_types(edit_prediction_actions.iter());
-
             filter.show_action_types(&[TypeId::of::<zed_actions::OpenZedPredictOnboarding>()]);
         }
     });
@@ -420,3 +446,137 @@ fn register_slash_commands(cx: &mut App) {
     })
     .detach();
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use agent_settings::{AgentProfileId, AgentSettings, CompletionMode};
+    use command_palette_hooks::CommandPaletteFilter;
+    use editor::actions::AcceptEditPrediction;
+    use gpui::{BorrowAppContext, TestAppContext, px};
+    use project::DisableAiSettings;
+    use settings::{
+        DefaultAgentView, DockPosition, NotifyWhenAgentWaiting, Settings, SettingsStore,
+    };
+
+    #[gpui::test]
+    fn test_agent_command_palette_visibility(cx: &mut TestAppContext) {
+        // Init settings
+        cx.update(|cx| {
+            let store = SettingsStore::test(cx);
+            cx.set_global(store);
+            command_palette_hooks::init(cx);
+            AgentSettings::register(cx);
+            DisableAiSettings::register(cx);
+            AllLanguageSettings::register(cx);
+        });
+
+        let agent_settings = AgentSettings {
+            enabled: true,
+            button: true,
+            dock: DockPosition::Right,
+            default_width: px(300.),
+            default_height: px(600.),
+            default_model: None,
+            inline_assistant_model: None,
+            commit_message_model: None,
+            thread_summary_model: None,
+            inline_alternatives: vec![],
+            default_profile: AgentProfileId::default(),
+            default_view: DefaultAgentView::Thread,
+            profiles: Default::default(),
+            always_allow_tool_actions: false,
+            notify_when_agent_waiting: NotifyWhenAgentWaiting::default(),
+            play_sound_when_agent_done: false,
+            single_file_review: false,
+            model_parameters: vec![],
+            preferred_completion_mode: CompletionMode::Normal,
+            enable_feedback: false,
+            expand_edit_card: true,
+            expand_terminal_card: true,
+            use_modifier_to_send: true,
+            message_editor_min_lines: 1,
+        };
+
+        cx.update(|cx| {
+            AgentSettings::override_global(agent_settings.clone(), cx);
+            DisableAiSettings::override_global(DisableAiSettings { disable_ai: false }, cx);
+
+            // Initial update
+            update_command_palette_filter(cx);
+        });
+
+        // Assert visible
+        cx.update(|cx| {
+            let filter = CommandPaletteFilter::try_global(cx).unwrap();
+            assert!(
+                !filter.is_hidden(&NewThread),
+                "NewThread should be visible by default"
+            );
+        });
+
+        // Disable agent
+        cx.update(|cx| {
+            let mut new_settings = agent_settings.clone();
+            new_settings.enabled = false;
+            AgentSettings::override_global(new_settings, cx);
+
+            // Trigger update
+            update_command_palette_filter(cx);
+        });
+
+        // Assert hidden
+        cx.update(|cx| {
+            let filter = CommandPaletteFilter::try_global(cx).unwrap();
+            assert!(
+                filter.is_hidden(&NewThread),
+                "NewThread should be hidden when agent is disabled"
+            );
+        });
+
+        // Test EditPredictionProvider
+        // Enable EditPredictionProvider::Copilot
+        cx.update(|cx| {
+            cx.update_global::<SettingsStore, _>(|store, cx| {
+                store.update_user_settings(cx, |s| {
+                    s.project
+                        .all_languages
+                        .features
+                        .get_or_insert(Default::default())
+                        .edit_prediction_provider = Some(EditPredictionProvider::Copilot);
+                });
+            });
+            update_command_palette_filter(cx);
+        });
+
+        cx.update(|cx| {
+            let filter = CommandPaletteFilter::try_global(cx).unwrap();
+            assert!(
+                !filter.is_hidden(&AcceptEditPrediction),
+                "EditPrediction should be visible when provider is Copilot"
+            );
+        });
+
+        // Disable EditPredictionProvider (None)
+        cx.update(|cx| {
+            cx.update_global::<SettingsStore, _>(|store, cx| {
+                store.update_user_settings(cx, |s| {
+                    s.project
+                        .all_languages
+                        .features
+                        .get_or_insert(Default::default())
+                        .edit_prediction_provider = Some(EditPredictionProvider::None);
+                });
+            });
+            update_command_palette_filter(cx);
+        });
+
+        cx.update(|cx| {
+            let filter = CommandPaletteFilter::try_global(cx).unwrap();
+            assert!(
+                filter.is_hidden(&AcceptEditPrediction),
+                "EditPrediction should be hidden when provider is None"
+            );
+        });
+    }
+}

crates/agent_ui/src/context.rs

@@ -1089,7 +1089,7 @@ mod tests {
     }
 
     #[gpui::test]
-    async fn test_large_file_uses_outline(cx: &mut TestAppContext) {
+    async fn test_large_file_uses_fallback(cx: &mut TestAppContext) {
         init_test_settings(cx);
 
         // Create a large file that exceeds AUTO_OUTLINE_SIZE
@@ -1101,16 +1101,16 @@ mod tests {
 
         let file_context = load_context_for("file.txt", large_content, cx).await;
 
+        // Should contain some of the actual file content
         assert!(
-            file_context
-                .text
-                .contains(&format!("# File outline for {}", path!("test/file.txt"))),
-            "Large files should not get an outline"
+            file_context.text.contains(LINE),
+            "Should contain some of the file content"
         );
 
+        // Should be much smaller than original
         assert!(
-            file_context.text.len() < content_len,
-            "Outline should be smaller than original content"
+            file_context.text.len() < content_len / 10,
+            "Should be significantly smaller than original content"
         );
     }
 

crates/agent_ui/src/context_picker/completion_provider.rs

@@ -278,6 +278,8 @@ impl ContextPickerCompletionProvider {
                 icon_path: Some(mode.icon().path().into()),
                 documentation: None,
                 source: project::CompletionSource::Custom,
+                match_start: None,
+                snippet_deduplication_key: None,
                 insert_text_mode: None,
                 // This ensures that when a user accepts this completion, the
                 // completion menu will still be shown after "@category " is
@@ -386,6 +388,8 @@ impl ContextPickerCompletionProvider {
                     icon_path: Some(action.icon().path().into()),
                     documentation: None,
                     source: project::CompletionSource::Custom,
+                    match_start: None,
+                    snippet_deduplication_key: None,
                     insert_text_mode: None,
                     // This ensures that when a user accepts this completion, the
                     // completion menu will still be shown after "@category " is
@@ -417,6 +421,8 @@ impl ContextPickerCompletionProvider {
             replace_range: source_range.clone(),
             new_text,
             label: CodeLabel::plain(thread_entry.title().to_string(), None),
+            match_start: None,
+            snippet_deduplication_key: None,
             documentation: None,
             insert_text_mode: None,
             source: project::CompletionSource::Custom,
@@ -484,6 +490,8 @@ impl ContextPickerCompletionProvider {
             replace_range: source_range.clone(),
             new_text,
             label: CodeLabel::plain(rules.title.to_string(), None),
+            match_start: None,
+            snippet_deduplication_key: None,
             documentation: None,
             insert_text_mode: None,
             source: project::CompletionSource::Custom,
@@ -524,6 +532,8 @@ impl ContextPickerCompletionProvider {
             documentation: None,
             source: project::CompletionSource::Custom,
             icon_path: Some(IconName::ToolWeb.path().into()),
+            match_start: None,
+            snippet_deduplication_key: None,
             insert_text_mode: None,
             confirm: Some(confirm_completion_callback(
                 IconName::ToolWeb.path().into(),
@@ -612,6 +622,8 @@ impl ContextPickerCompletionProvider {
             documentation: None,
             source: project::CompletionSource::Custom,
             icon_path: Some(completion_icon_path),
+            match_start: None,
+            snippet_deduplication_key: None,
             insert_text_mode: None,
             confirm: Some(confirm_completion_callback(
                 crease_icon_path,
@@ -689,6 +701,8 @@ impl ContextPickerCompletionProvider {
             documentation: None,
             source: project::CompletionSource::Custom,
             icon_path: Some(IconName::Code.path().into()),
+            match_start: None,
+            snippet_deduplication_key: None,
             insert_text_mode: None,
             confirm: Some(confirm_completion_callback(
                 IconName::Code.path().into(),

crates/agent_ui/src/language_model_selector.rs

@@ -1,6 +1,6 @@
 use std::{cmp::Reverse, sync::Arc};
 
-use collections::{HashSet, IndexMap};
+use collections::IndexMap;
 use fuzzy::{StringMatch, StringMatchCandidate, match_strings};
 use gpui::{Action, AnyElement, App, BackgroundExecutor, DismissEvent, Subscription, Task};
 use language_model::{
@@ -57,7 +57,7 @@ fn all_models(cx: &App) -> GroupedModels {
         })
         .collect();
 
-    let other = providers
+    let all = providers
         .iter()
         .flat_map(|provider| {
             provider
@@ -70,7 +70,7 @@ fn all_models(cx: &App) -> GroupedModels {
         })
         .collect();
 
-    GroupedModels::new(other, recommended)
+    GroupedModels::new(all, recommended)
 }
 
 #[derive(Clone)]
@@ -210,33 +210,24 @@ impl LanguageModelPickerDelegate {
 
 struct GroupedModels {
     recommended: Vec<ModelInfo>,
-    other: IndexMap<LanguageModelProviderId, Vec<ModelInfo>>,
+    all: IndexMap<LanguageModelProviderId, Vec<ModelInfo>>,
 }
 
 impl GroupedModels {
-    pub fn new(other: Vec<ModelInfo>, recommended: Vec<ModelInfo>) -> Self {
-        let recommended_ids = recommended
-            .iter()
-            .map(|info| (info.model.provider_id(), info.model.id()))
-            .collect::<HashSet<_>>();
-
-        let mut other_by_provider: IndexMap<_, Vec<ModelInfo>> = IndexMap::default();
-        for model in other {
-            if recommended_ids.contains(&(model.model.provider_id(), model.model.id())) {
-                continue;
-            }
-
+    pub fn new(all: Vec<ModelInfo>, recommended: Vec<ModelInfo>) -> Self {
+        let mut all_by_provider: IndexMap<_, Vec<ModelInfo>> = IndexMap::default();
+        for model in all {
             let provider = model.model.provider_id();
-            if let Some(models) = other_by_provider.get_mut(&provider) {
+            if let Some(models) = all_by_provider.get_mut(&provider) {
                 models.push(model);
             } else {
-                other_by_provider.insert(provider, vec![model]);
+                all_by_provider.insert(provider, vec![model]);
             }
         }
 
         Self {
             recommended,
-            other: other_by_provider,
+            all: all_by_provider,
         }
     }
 
@@ -252,7 +243,7 @@ impl GroupedModels {
             );
         }
 
-        for models in self.other.values() {
+        for models in self.all.values() {
             if models.is_empty() {
                 continue;
             }
@@ -267,20 +258,6 @@ impl GroupedModels {
         }
         entries
     }
-
-    fn model_infos(&self) -> Vec<ModelInfo> {
-        let other = self
-            .other
-            .values()
-            .flat_map(|model| model.iter())
-            .cloned()
-            .collect::<Vec<_>>();
-        self.recommended
-            .iter()
-            .chain(&other)
-            .cloned()
-            .collect::<Vec<_>>()
-    }
 }
 
 enum LanguageModelPickerEntry {
@@ -425,8 +402,9 @@ impl PickerDelegate for LanguageModelPickerDelegate {
             .collect::<Vec<_>>();
 
         let available_models = all_models
-            .model_infos()
-            .iter()
+            .all
+            .values()
+            .flat_map(|models| models.iter())
             .filter(|m| configured_provider_ids.contains(&m.model.provider_id()))
             .cloned()
             .collect::<Vec<_>>();
@@ -514,17 +492,15 @@ impl PickerDelegate for LanguageModelPickerDelegate {
                         .inset(true)
                         .spacing(ListItemSpacing::Sparse)
                         .toggle_state(selected)
-                        .start_slot(
-                            Icon::new(model_info.icon)
-                                .color(model_icon_color)
-                                .size(IconSize::Small),
-                        )
                         .child(
                             h_flex()
                                 .w_full()
-                                .pl_0p5()
                                 .gap_1p5()
-                                .w(px(240.))
+                                .child(
+                                    Icon::new(model_info.icon)
+                                        .color(model_icon_color)
+                                        .size(IconSize::Small),
+                                )
                                 .child(Label::new(model_info.model.name().0).truncate()),
                         )
                         .end_slot(div().pr_3().when(is_selected, |this| {
@@ -764,46 +740,52 @@ mod tests {
     }
 
     #[gpui::test]
-    fn test_exclude_recommended_models(_cx: &mut TestAppContext) {
+    fn test_recommended_models_also_appear_in_other(_cx: &mut TestAppContext) {
         let recommended_models = create_models(vec![("zed", "claude")]);
         let all_models = create_models(vec![
-            ("zed", "claude"), // Should be filtered out from "other"
+            ("zed", "claude"), // Should also appear in "other"
             ("zed", "gemini"),
             ("copilot", "o3"),
         ]);
 
         let grouped_models = GroupedModels::new(all_models, recommended_models);
 
-        let actual_other_models = grouped_models
-            .other
+        let actual_all_models = grouped_models
+            .all
             .values()
             .flatten()
             .cloned()
             .collect::<Vec<_>>();
 
-        // Recommended models should not appear in "other"
-        assert_models_eq(actual_other_models, vec!["zed/gemini", "copilot/o3"]);
+        // Recommended models should also appear in "all"
+        assert_models_eq(
+            actual_all_models,
+            vec!["zed/claude", "zed/gemini", "copilot/o3"],
+        );
     }
 
     #[gpui::test]
-    fn test_dont_exclude_models_from_other_providers(_cx: &mut TestAppContext) {
+    fn test_models_from_different_providers(_cx: &mut TestAppContext) {
         let recommended_models = create_models(vec![("zed", "claude")]);
         let all_models = create_models(vec![
-            ("zed", "claude"), // Should be filtered out from "other"
+            ("zed", "claude"), // Should also appear in "other"
             ("zed", "gemini"),
-            ("copilot", "claude"), // Should not be filtered out from "other"
+            ("copilot", "claude"), // Different provider, should appear in "other"
         ]);
 
         let grouped_models = GroupedModels::new(all_models, recommended_models);
 
-        let actual_other_models = grouped_models
-            .other
+        let actual_all_models = grouped_models
+            .all
             .values()
             .flatten()
             .cloned()
             .collect::<Vec<_>>();
 
-        // Recommended models should not appear in "other"
-        assert_models_eq(actual_other_models, vec!["zed/gemini", "copilot/claude"]);
+        // All models should appear in "all" regardless of recommended status
+        assert_models_eq(
+            actual_all_models,
+            vec!["zed/claude", "zed/gemini", "copilot/claude"],
+        );
     }
 }

crates/agent_ui/src/slash_command.rs

@@ -127,6 +127,8 @@ impl SlashCommandCompletionProvider {
                             new_text,
                             label: command.label(cx),
                             icon_path: None,
+                            match_start: None,
+                            snippet_deduplication_key: None,
                             insert_text_mode: None,
                             confirm,
                             source: CompletionSource::Custom,
@@ -232,6 +234,8 @@ impl SlashCommandCompletionProvider {
                             icon_path: None,
                             new_text,
                             documentation: None,
+                            match_start: None,
+                            snippet_deduplication_key: None,
                             confirm,
                             insert_text_mode: None,
                             source: CompletionSource::Custom,

crates/agent_ui/src/text_thread_editor.rs

@@ -1679,7 +1679,7 @@ impl TextThreadEditor {
     ) {
         cx.stop_propagation();
 
-        let images = if let Some(item) = cx.read_from_clipboard() {
+        let mut images = if let Some(item) = cx.read_from_clipboard() {
             item.into_entries()
                 .filter_map(|entry| {
                     if let ClipboardEntry::Image(image) = entry {
@@ -1693,6 +1693,40 @@ impl TextThreadEditor {
             Vec::new()
         };
 
+        if let Some(paths) = cx.read_from_clipboard() {
+            for path in paths
+                .into_entries()
+                .filter_map(|entry| {
+                    if let ClipboardEntry::ExternalPaths(paths) = entry {
+                        Some(paths.paths().to_owned())
+                    } else {
+                        None
+                    }
+                })
+                .flatten()
+            {
+                let Ok(content) = std::fs::read(path) else {
+                    continue;
+                };
+                let Ok(format) = image::guess_format(&content) else {
+                    continue;
+                };
+                images.push(gpui::Image::from_bytes(
+                    match format {
+                        image::ImageFormat::Png => gpui::ImageFormat::Png,
+                        image::ImageFormat::Jpeg => gpui::ImageFormat::Jpeg,
+                        image::ImageFormat::WebP => gpui::ImageFormat::Webp,
+                        image::ImageFormat::Gif => gpui::ImageFormat::Gif,
+                        image::ImageFormat::Bmp => gpui::ImageFormat::Bmp,
+                        image::ImageFormat::Tiff => gpui::ImageFormat::Tiff,
+                        image::ImageFormat::Ico => gpui::ImageFormat::Ico,
+                        _ => continue,
+                    },
+                    content,
+                ));
+            }
+        }
+
         let metadata = if let Some(item) = cx.read_from_clipboard() {
             item.entries().first().and_then(|entry| {
                 if let ClipboardEntry::String(text) = entry {
@@ -2592,12 +2626,11 @@ impl SearchableItem for TextThreadEditor {
         &mut self,
         index: usize,
         matches: &[Self::Match],
-        collapse: bool,
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
         self.editor.update(cx, |editor, cx| {
-            editor.activate_match(index, matches, collapse, window, cx);
+            editor.activate_match(index, matches, window, cx);
         });
     }
 

crates/askpass/src/askpass.rs

@@ -205,13 +205,9 @@ impl PasswordProxy {
         } else {
             ShellKind::Posix
         };
-        let askpass_program = ASKPASS_PROGRAM
-            .get_or_init(|| current_exec)
-            .try_shell_safe(shell_kind)
-            .context("Failed to shell-escape Askpass program path.")?
-            .to_string();
+        let askpass_program = ASKPASS_PROGRAM.get_or_init(|| current_exec);
         // Create an askpass script that communicates back to this process.
-        let askpass_script = generate_askpass_script(&askpass_program, &askpass_socket);
+        let askpass_script = generate_askpass_script(shell_kind, askpass_program, &askpass_socket)?;
         let _task = executor.spawn(async move {
             maybe!(async move {
                 let listener =
@@ -334,23 +330,51 @@ pub fn set_askpass_program(path: std::path::PathBuf) {
 
 #[inline]
 #[cfg(not(target_os = "windows"))]
-fn generate_askpass_script(askpass_program: &str, askpass_socket: &std::path::Path) -> String {
-    format!(
+fn generate_askpass_script(
+    shell_kind: ShellKind,
+    askpass_program: &std::path::Path,
+    askpass_socket: &std::path::Path,
+) -> Result<String> {
+    let askpass_program = shell_kind.prepend_command_prefix(
+        askpass_program
+            .to_str()
+            .context("Askpass program is on a non-utf8 path")?,
+    );
+    let askpass_program = shell_kind
+        .try_quote_prefix_aware(&askpass_program)
+        .context("Failed to shell-escape Askpass program path")?;
+    let askpass_socket = askpass_socket
+        .try_shell_safe(shell_kind)
+        .context("Failed to shell-escape Askpass socket path")?;
+    let print_args = "printf '%s\\0' \"$@\"";
+    let shebang = "#!/bin/sh";
+    Ok(format!(
         "{shebang}\n{print_args} | {askpass_program} --askpass={askpass_socket} 2> /dev/null \n",
-        askpass_socket = askpass_socket.display(),
-        print_args = "printf '%s\\0' \"$@\"",
-        shebang = "#!/bin/sh",
-    )
+    ))
 }
 
 #[inline]
 #[cfg(target_os = "windows")]
-fn generate_askpass_script(askpass_program: &str, askpass_socket: &std::path::Path) -> String {
-    format!(
+fn generate_askpass_script(
+    shell_kind: ShellKind,
+    askpass_program: &std::path::Path,
+    askpass_socket: &std::path::Path,
+) -> Result<String> {
+    let askpass_program = shell_kind.prepend_command_prefix(
+        askpass_program
+            .to_str()
+            .context("Askpass program is on a non-utf8 path")?,
+    );
+    let askpass_program = shell_kind
+        .try_quote_prefix_aware(&askpass_program)
+        .context("Failed to shell-escape Askpass program path")?;
+    let askpass_socket = askpass_socket
+        .try_shell_safe(shell_kind)
+        .context("Failed to shell-escape Askpass socket path")?;
+    Ok(format!(
         r#"
         $ErrorActionPreference = 'Stop';
         ($args -join [char]0) | & {askpass_program} --askpass={askpass_socket} 2> $null
         "#,
-        askpass_socket = askpass_socket.display(),
-    )
+    ))
 }

crates/assistant_text_thread/src/text_thread.rs

@@ -7,9 +7,10 @@ use assistant_slash_command::{
 use assistant_slash_commands::FileCommandMetadata;
 use client::{self, ModelRequestUsage, RequestUsage, proto, telemetry::Telemetry};
 use clock::ReplicaId;
-use cloud_llm_client::{CompletionIntent, CompletionRequestStatus, UsageLimit};
+use cloud_llm_client::{CompletionIntent, UsageLimit};
 use collections::{HashMap, HashSet};
 use fs::{Fs, RenameOptions};
+
 use futures::{FutureExt, StreamExt, future::Shared};
 use gpui::{
     App, AppContext as _, Context, Entity, EventEmitter, RenderImage, SharedString, Subscription,
@@ -2073,14 +2074,15 @@ impl TextThread {
                                     });
 
                                 match event {
-                                    LanguageModelCompletionEvent::StatusUpdate(status_update) => {
-                                        if let CompletionRequestStatus::UsageUpdated { amount, limit } = status_update {
-                                            this.update_model_request_usage(
-                                                amount as u32,
-                                                limit,
-                                                cx,
-                                            );
-                                        }
+                                    LanguageModelCompletionEvent::Started |
+                                    LanguageModelCompletionEvent::Queued {..} |
+                                    LanguageModelCompletionEvent::ToolUseLimitReached { .. } => {}
+                                    LanguageModelCompletionEvent::RequestUsage { amount, limit } => {
+                                        this.update_model_request_usage(
+                                            amount as u32,
+                                            limit,
+                                            cx,
+                                        );
                                     }
                                     LanguageModelCompletionEvent::StartMessage { .. } => {}
                                     LanguageModelCompletionEvent::Stop(reason) => {
@@ -2142,7 +2144,7 @@ impl TextThread {
                                     }
                                     LanguageModelCompletionEvent::ToolUse(_) |
                                     LanguageModelCompletionEvent::ToolUseJsonParseError { .. } |
-                                    LanguageModelCompletionEvent::UsageUpdate(_) => {}
+                                    LanguageModelCompletionEvent::TokenUsage(_) => {}
                                 }
                             });
 

crates/auto_update/src/auto_update.rs

@@ -10,8 +10,8 @@ use paths::remote_servers_dir;
 use release_channel::{AppCommitSha, ReleaseChannel};
 use serde::{Deserialize, Serialize};
 use settings::{RegisterSetting, Settings, SettingsStore};
+use smol::fs::File;
 use smol::{fs, io::AsyncReadExt};
-use smol::{fs::File, process::Command};
 use std::mem;
 use std::{
     env::{
@@ -23,6 +23,7 @@ use std::{
     sync::Arc,
     time::Duration,
 };
+use util::command::new_smol_command;
 use workspace::Workspace;
 
 const SHOULD_SHOW_UPDATE_NOTIFICATION_KEY: &str = "auto-updater-should-show-updated-notification";
@@ -121,7 +122,7 @@ impl Drop for MacOsUnmounter<'_> {
         let mount_path = mem::take(&mut self.mount_path);
         self.background_executor
             .spawn(async move {
-                let unmount_output = Command::new("hdiutil")
+                let unmount_output = new_smol_command("hdiutil")
                     .args(["detach", "-force"])
                     .arg(&mount_path)
                     .output()
@@ -350,8 +351,7 @@ impl AutoUpdater {
 
     pub fn start_polling(&self, cx: &mut Context<Self>) -> Task<Result<()>> {
         cx.spawn(async move |this, cx| {
-            #[cfg(target_os = "windows")]
-            {
+            if cfg!(target_os = "windows") {
                 use util::ResultExt;
 
                 cleanup_windows()
@@ -800,7 +800,7 @@ async fn install_release_linux(
         .await
         .context("failed to create directory into which to extract update")?;
 
-    let output = Command::new("tar")
+    let output = new_smol_command("tar")
         .arg("-xzf")
         .arg(&downloaded_tar_gz)
         .arg("-C")
@@ -835,7 +835,7 @@ async fn install_release_linux(
         to = PathBuf::from(prefix);
     }
 
-    let output = Command::new("rsync")
+    let output = new_smol_command("rsync")
         .args(["-av", "--delete"])
         .arg(&from)
         .arg(&to)
@@ -867,7 +867,7 @@ async fn install_release_macos(
     let mut mounted_app_path: OsString = mount_path.join(running_app_filename).into();
 
     mounted_app_path.push("/");
-    let output = Command::new("hdiutil")
+    let output = new_smol_command("hdiutil")
         .args(["attach", "-nobrowse"])
         .arg(&downloaded_dmg)
         .arg("-mountroot")
@@ -887,7 +887,7 @@ async fn install_release_macos(
         background_executor: cx.background_executor(),
     };
 
-    let output = Command::new("rsync")
+    let output = new_smol_command("rsync")
         .args(["-av", "--delete"])
         .arg(&mounted_app_path)
         .arg(&running_app_path)
@@ -903,7 +903,6 @@ async fn install_release_macos(
     Ok(None)
 }
 
-#[cfg(target_os = "windows")]
 async fn cleanup_windows() -> Result<()> {
     let parent = std::env::current_exe()?
         .parent()
@@ -919,7 +918,7 @@ async fn cleanup_windows() -> Result<()> {
 }
 
 async fn install_release_windows(downloaded_installer: PathBuf) -> Result<Option<PathBuf>> {
-    let output = Command::new(downloaded_installer)
+    let output = new_smol_command(downloaded_installer)
         .arg("/verysilent")
         .arg("/update=true")
         .arg("!desktopicon")

crates/call/src/call_impl/room.rs

@@ -1683,7 +1683,9 @@ impl LiveKitRoom {
     }
 }
 
+#[derive(Default)]
 enum LocalTrack<Stream: ?Sized> {
+    #[default]
     None,
     Pending {
         publish_id: usize,
@@ -1694,12 +1696,6 @@ enum LocalTrack<Stream: ?Sized> {
     },
 }
 
-impl<T: ?Sized> Default for LocalTrack<T> {
-    fn default() -> Self {
-        Self::None
-    }
-}
-
 #[derive(Copy, Clone, PartialEq, Eq)]
 pub enum RoomStatus {
     Online,

crates/client/src/telemetry.rs

@@ -293,10 +293,11 @@ impl Telemetry {
     }
 
     pub fn metrics_enabled(self: &Arc<Self>) -> bool {
-        let state = self.state.lock();
-        let enabled = state.settings.metrics;
-        drop(state);
-        enabled
+        self.state.lock().settings.metrics
+    }
+
+    pub fn diagnostics_enabled(self: &Arc<Self>) -> bool {
+        self.state.lock().settings.diagnostics
     }
 
     pub fn set_authenticated_user_info(

crates/client/src/user.rs

@@ -267,6 +267,7 @@ impl UserStore {
                         Status::SignedOut => {
                             current_user_tx.send(None).await.ok();
                             this.update(cx, |this, cx| {
+                                this.clear_plan_and_usage();
                                 cx.emit(Event::PrivateUserInfoUpdated);
                                 cx.notify();
                                 this.clear_contacts()
@@ -779,6 +780,12 @@ impl UserStore {
         cx.notify();
     }
 
+    pub fn clear_plan_and_usage(&mut self) {
+        self.plan_info = None;
+        self.model_request_usage = None;
+        self.edit_prediction_usage = None;
+    }
+
     fn update_authenticated_user(
         &mut self,
         response: GetAuthenticatedUserResponse,

crates/cloud_llm_client/src/cloud_llm_client.rs

@@ -58,6 +58,9 @@ pub const SERVER_SUPPORTS_STATUS_MESSAGES_HEADER_NAME: &str =
 /// The name of the header used by the client to indicate that it supports receiving xAI models.
 pub const CLIENT_SUPPORTS_X_AI_HEADER_NAME: &str = "x-zed-client-supports-x-ai";
 
+/// The maximum number of edit predictions that can be rejected per request.
+pub const MAX_EDIT_PREDICTION_REJECTIONS_PER_REQUEST: usize = 100;
+
 #[derive(Debug, PartialEq, Clone, Copy, Serialize, Deserialize)]
 #[serde(rename_all = "snake_case")]
 pub enum UsageLimit {
@@ -192,6 +195,17 @@ pub struct AcceptEditPredictionBody {
     pub request_id: String,
 }
 
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct RejectEditPredictionsBody {
+    pub rejections: Vec<EditPredictionRejection>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct EditPredictionRejection {
+    pub request_id: String,
+    pub was_shown: bool,
+}
+
 #[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy, Serialize, Deserialize)]
 #[serde(rename_all = "snake_case")]
 pub enum CompletionMode {

crates/cloud_llm_client/src/predict_edits_v3.rs

@@ -76,6 +76,10 @@ pub enum PromptFormat {
     OldTextNewText,
     /// Prompt format intended for use via zeta_cli
     OnlySnippets,
+    /// One-sentence instructions used in fine-tuned models
+    Minimal,
+    /// One-sentence instructions + FIM-like template
+    MinimalQwen,
 }
 
 impl PromptFormat {
@@ -102,6 +106,8 @@ impl std::fmt::Display for PromptFormat {
             PromptFormat::OnlySnippets => write!(f, "Only Snippets"),
             PromptFormat::NumLinesUniDiff => write!(f, "Numbered Lines / Unified Diff"),
             PromptFormat::OldTextNewText => write!(f, "Old Text / New Text"),
+            PromptFormat::Minimal => write!(f, "Minimal"),
+            PromptFormat::MinimalQwen => write!(f, "Minimal + Qwen FIM"),
         }
     }
 }

crates/cloud_zeta2_prompt/Cargo.toml

@@ -19,4 +19,5 @@ ordered-float.workspace = true
 rustc-hash.workspace = true
 schemars.workspace = true
 serde.workspace = true
+serde_json.workspace = true
 strum.workspace = true

crates/cloud_zeta2_prompt/src/cloud_zeta2_prompt.rs

@@ -3,7 +3,8 @@ pub mod retrieval_prompt;
 
 use anyhow::{Context as _, Result, anyhow};
 use cloud_llm_client::predict_edits_v3::{
-    self, DiffPathFmt, Excerpt, Line, Point, PromptFormat, ReferencedDeclaration,
+    self, DiffPathFmt, Event, Excerpt, IncludedFile, Line, Point, PromptFormat,
+    ReferencedDeclaration,
 };
 use indoc::indoc;
 use ordered_float::OrderedFloat;
@@ -31,7 +32,7 @@ const MARKED_EXCERPT_INSTRUCTIONS: &str = indoc! {"
 
     Other code is provided for context, and `…` indicates when code has been skipped.
 
-    # Edit History:
+    ## Edit History
 
 "};
 
@@ -49,7 +50,7 @@ const LABELED_SECTIONS_INSTRUCTIONS: &str = indoc! {r#"
         println!("{i}");
     }
 
-    # Edit History:
+    ## Edit History
 
 "#};
 
@@ -86,6 +87,13 @@ const NUMBERED_LINES_INSTRUCTIONS: &str = indoc! {r#"
 
 "#};
 
+const STUDENT_MODEL_INSTRUCTIONS: &str = indoc! {r#"
+    You are a code completion assistant that analyzes edit history to identify and systematically complete incomplete refactorings or patterns across the entire codebase.
+
+    ## Edit History
+
+    "#};
+
 const UNIFIED_DIFF_REMINDER: &str = indoc! {"
     ---
 
@@ -100,18 +108,27 @@ const UNIFIED_DIFF_REMINDER: &str = indoc! {"
     to uniquely identify it amongst all excerpts of code provided.
 "};
 
+const MINIMAL_PROMPT_REMINDER: &str = indoc! {"
+    ---
+
+    Please analyze the edit history and the files, then provide the unified diff for your predicted edits.
+    Do not include the cursor marker in your output.
+    If you're editing multiple files, be sure to reflect filename in the hunk's header.
+    "};
+
 const XML_TAGS_INSTRUCTIONS: &str = indoc! {r#"
     # Instructions
 
     You are an edit prediction agent in a code editor.
-    Your job is to predict the next edit that the user will make,
-    based on their last few edits and their current cursor location.
 
-    # Output Format
+    Analyze the history of edits made by the user in order to infer what they are currently trying to accomplish.
+    Then complete the remainder of the current change if it is incomplete, or predict the next edit the user intends to make.
+    Always continue along the user's current trajectory, rather than changing course.
 
-    You must briefly explain your understanding of the user's goal, in one
-    or two sentences, and then specify their next edit, using the following
-    XML format:
+    ## Output Format
+
+    You should briefly explain your understanding of the user's overall goal in one sentence, then explain what the next change
+    along the users current trajectory will be in another, and finally specify the next edit using the following XML-like format:
 
     <edits path="my-project/src/myapp/cli.py">
     <old_text>
@@ -137,20 +154,34 @@ const XML_TAGS_INSTRUCTIONS: &str = indoc! {r#"
     - Always close all tags properly
     - Don't include the <|user_cursor|> marker in your output.
 
-    # Edit History:
+    ## Edit History
 
 "#};
 
 const OLD_TEXT_NEW_TEXT_REMINDER: &str = indoc! {r#"
     ---
 
-    Remember that the edits in the edit history have already been deployed.
-    The files are currently as shown in the Code Excerpts section.
+    Remember that the edits in the edit history have already been applied.
 "#};
 
 pub fn build_prompt(
     request: &predict_edits_v3::PredictEditsRequest,
 ) -> Result<(String, SectionLabels)> {
+    let mut section_labels = Default::default();
+
+    match request.prompt_format {
+        PromptFormat::MinimalQwen => {
+            let prompt = MinimalQwenPrompt {
+                events: request.events.clone(),
+                cursor_point: request.cursor_point,
+                cursor_path: request.excerpt_path.clone(),
+                included_files: request.included_files.clone(),
+            };
+            return Ok((prompt.render(), section_labels));
+        }
+        _ => (),
+    };
+
     let mut insertions = match request.prompt_format {
         PromptFormat::MarkedExcerpt => vec![
             (
@@ -171,10 +202,12 @@ pub fn build_prompt(
         ],
         PromptFormat::LabeledSections
         | PromptFormat::NumLinesUniDiff
+        | PromptFormat::Minimal
         | PromptFormat::OldTextNewText => {
             vec![(request.cursor_point, CURSOR_MARKER)]
         }
         PromptFormat::OnlySnippets => vec![],
+        PromptFormat::MinimalQwen => unreachable!(),
     };
 
     let mut prompt = match request.prompt_format {
@@ -183,32 +216,59 @@ pub fn build_prompt(
         PromptFormat::NumLinesUniDiff => NUMBERED_LINES_INSTRUCTIONS.to_string(),
         PromptFormat::OldTextNewText => XML_TAGS_INSTRUCTIONS.to_string(),
         PromptFormat::OnlySnippets => String::new(),
+        PromptFormat::Minimal => STUDENT_MODEL_INSTRUCTIONS.to_string(),
+        PromptFormat::MinimalQwen => unreachable!(),
     };
 
     if request.events.is_empty() {
         prompt.push_str("(No edit history)\n\n");
     } else {
-        prompt.push_str("Here are the latest edits made by the user, from earlier to later.\n\n");
+        let edit_preamble = if request.prompt_format == PromptFormat::Minimal {
+            "The following are the latest edits made by the user, from earlier to later.\n\n"
+        } else {
+            "Here are the latest edits made by the user, from earlier to later.\n\n"
+        };
+        prompt.push_str(edit_preamble);
         push_events(&mut prompt, &request.events);
     }
 
-    prompt.push_str(indoc! {"
-        # Code Excerpts
+    let excerpts_preamble = match request.prompt_format {
+        PromptFormat::Minimal => indoc! {"
+             ## Part of the file under the cursor
 
-        The cursor marker <|user_cursor|> indicates the current user cursor position.
-        The file is in current state, edits from edit history have been applied.
-    "});
+             (The cursor marker <|user_cursor|> indicates the current user cursor position.
+             The file is in current state, edits from edit history has been applied.
+             We only show part of the file around the cursor.
+             You can only edit exactly this part of the file.
+             We prepend line numbers (e.g., `123|<actual line>`); they are not part of the file.)
+             "},
+        PromptFormat::NumLinesUniDiff | PromptFormat::OldTextNewText => indoc! {"
+            ## Code Excerpts
 
-    if request.prompt_format == PromptFormat::NumLinesUniDiff {
-        prompt.push_str(indoc! {"
-            We prepend line numbers (e.g., `123|<actual line>`); they are not part of the file.
-        "});
-    }
+            Here is some excerpts of code that you should take into account to predict the next edit.
 
+            The cursor position is marked by `<|user_cursor|>` as it stands after the last edit in the history.
+
+            In addition other excerpts are included to better understand what the edit will be, including the declaration
+            or references of symbols around the cursor, or other similar code snippets that may need to be updated
+            following patterns that appear in the edit history.
+
+            Consider each of them carefully in relation to the edit history, and that the user may not have navigated
+            to the next place they want to edit yet.
+
+            Lines starting with `…` indicate omitted line ranges. These may appear inside multi-line code constructs.
+        "},
+        _ => indoc! {"
+            ## Code Excerpts
+
+            The cursor marker <|user_cursor|> indicates the current user cursor position.
+            The file is in current state, edits from edit history have been applied.
+        "},
+    };
+
+    prompt.push_str(excerpts_preamble);
     prompt.push('\n');
 
-    let mut section_labels = Default::default();
-
     if !request.referenced_declarations.is_empty() || !request.signatures.is_empty() {
         let syntax_based_prompt = SyntaxBasedPrompt::populate(request)?;
         section_labels = syntax_based_prompt.write(&mut insertions, &mut prompt)?;
@@ -217,19 +277,38 @@ pub fn build_prompt(
             anyhow::bail!("PromptFormat::LabeledSections cannot be used with ContextMode::Llm");
         }
 
+        let include_line_numbers = matches!(
+            request.prompt_format,
+            PromptFormat::NumLinesUniDiff | PromptFormat::Minimal
+        );
         for related_file in &request.included_files {
-            write_codeblock(
-                &related_file.path,
-                &related_file.excerpts,
-                if related_file.path == request.excerpt_path {
-                    &insertions
-                } else {
-                    &[]
-                },
-                related_file.max_row,
-                request.prompt_format == PromptFormat::NumLinesUniDiff,
-                &mut prompt,
-            );
+            if request.prompt_format == PromptFormat::Minimal {
+                write_codeblock_with_filename(
+                    &related_file.path,
+                    &related_file.excerpts,
+                    if related_file.path == request.excerpt_path {
+                        &insertions
+                    } else {
+                        &[]
+                    },
+                    related_file.max_row,
+                    include_line_numbers,
+                    &mut prompt,
+                );
+            } else {
+                write_codeblock(
+                    &related_file.path,
+                    &related_file.excerpts,
+                    if related_file.path == request.excerpt_path {
+                        &insertions
+                    } else {
+                        &[]
+                    },
+                    related_file.max_row,
+                    include_line_numbers,
+                    &mut prompt,
+                );
+            }
         }
     }
 
@@ -240,6 +319,9 @@ pub fn build_prompt(
         PromptFormat::OldTextNewText => {
             prompt.push_str(OLD_TEXT_NEW_TEXT_REMINDER);
         }
+        PromptFormat::Minimal => {
+            prompt.push_str(MINIMAL_PROMPT_REMINDER);
+        }
         _ => {}
     }
 
@@ -255,6 +337,27 @@ pub fn write_codeblock<'a>(
     output: &'a mut String,
 ) {
     writeln!(output, "`````{}", DiffPathFmt(path)).unwrap();
+
+    write_excerpts(
+        excerpts,
+        sorted_insertions,
+        file_line_count,
+        include_line_numbers,
+        output,
+    );
+    write!(output, "`````\n\n").unwrap();
+}
+
+fn write_codeblock_with_filename<'a>(
+    path: &Path,
+    excerpts: impl IntoIterator<Item = &'a Excerpt>,
+    sorted_insertions: &[(Point, &str)],
+    file_line_count: Line,
+    include_line_numbers: bool,
+    output: &'a mut String,
+) {
+    writeln!(output, "`````filename={}", DiffPathFmt(path)).unwrap();
+
     write_excerpts(
         excerpts,
         sorted_insertions,
@@ -666,6 +769,7 @@ impl<'a> SyntaxBasedPrompt<'a> {
                     PromptFormat::MarkedExcerpt
                     | PromptFormat::OnlySnippets
                     | PromptFormat::OldTextNewText
+                    | PromptFormat::Minimal
                     | PromptFormat::NumLinesUniDiff => {
                         if range.start.0 > 0 && !skipped_last_snippet {
                             output.push_str("…\n");
@@ -681,6 +785,7 @@ impl<'a> SyntaxBasedPrompt<'a> {
                             writeln!(output, "<|section_{}|>", section_index).ok();
                         }
                     }
+                    PromptFormat::MinimalQwen => unreachable!(),
                 }
 
                 let push_full_snippet = |output: &mut String| {
@@ -790,3 +895,69 @@ fn declaration_size(declaration: &ReferencedDeclaration, style: DeclarationStyle
         DeclarationStyle::Declaration => declaration.text.len(),
     }
 }
+
+struct MinimalQwenPrompt {
+    events: Vec<Event>,
+    cursor_point: Point,
+    cursor_path: Arc<Path>, // TODO: make a common struct with cursor_point
+    included_files: Vec<IncludedFile>,
+}
+
+impl MinimalQwenPrompt {
+    const INSTRUCTIONS: &str = "You are a code completion assistant that analyzes edit history to identify and systematically complete incomplete refactorings or patterns across the entire codebase.\n";
+
+    fn render(&self) -> String {
+        let edit_history = self.fmt_edit_history();
+        let context = self.fmt_context();
+
+        format!(
+            "{instructions}\n\n{edit_history}\n\n{context}",
+            instructions = MinimalQwenPrompt::INSTRUCTIONS,
+            edit_history = edit_history,
+            context = context
+        )
+    }
+
+    fn fmt_edit_history(&self) -> String {
+        if self.events.is_empty() {
+            "(No edit history)\n\n".to_string()
+        } else {
+            let mut events_str = String::new();
+            push_events(&mut events_str, &self.events);
+            format!(
+                "The following are the latest edits made by the user, from earlier to later.\n\n{}",
+                events_str
+            )
+        }
+    }
+
+    fn fmt_context(&self) -> String {
+        let mut context = String::new();
+        let include_line_numbers = true;
+
+        for related_file in &self.included_files {
+            writeln!(context, "<|file_sep|>{}", DiffPathFmt(&related_file.path)).unwrap();
+
+            if related_file.path == self.cursor_path {
+                write!(context, "<|fim_prefix|>").unwrap();
+                write_excerpts(
+                    &related_file.excerpts,
+                    &[(self.cursor_point, "<|fim_suffix|>")],
+                    related_file.max_row,
+                    include_line_numbers,
+                    &mut context,
+                );
+                writeln!(context, "<|fim_middle|>").unwrap();
+            } else {
+                write_excerpts(
+                    &related_file.excerpts,
+                    &[],
+                    related_file.max_row,
+                    include_line_numbers,
+                    &mut context,
+                );
+            }
+        }
+        context
+    }
+}

crates/cloud_zeta2_prompt/src/retrieval_prompt.rs

@@ -11,11 +11,11 @@ pub fn build_prompt(request: predict_edits_v3::PlanContextRetrievalRequest) -> R
     let mut prompt = SEARCH_INSTRUCTIONS.to_string();
 
     if !request.events.is_empty() {
-        writeln!(&mut prompt, "## User Edits\n")?;
+        writeln!(&mut prompt, "\n## User Edits\n\n")?;
         push_events(&mut prompt, &request.events);
     }
 
-    writeln!(&mut prompt, "## Cursor context")?;
+    writeln!(&mut prompt, "## Cursor context\n")?;
     write_codeblock(
         &request.excerpt_path,
         &[Excerpt {
@@ -40,11 +40,49 @@ pub fn build_prompt(request: predict_edits_v3::PlanContextRetrievalRequest) -> R
 pub struct SearchToolInput {
     /// An array of queries to run for gathering context relevant to the next prediction
     #[schemars(length(max = 3))]
+    #[serde(deserialize_with = "deserialize_queries")]
     pub queries: Box<[SearchToolQuery]>,
 }
 
+fn deserialize_queries<'de, D>(deserializer: D) -> Result<Box<[SearchToolQuery]>, D::Error>
+where
+    D: serde::Deserializer<'de>,
+{
+    use serde::de::Error;
+
+    #[derive(Deserialize)]
+    #[serde(untagged)]
+    enum QueryCollection {
+        Array(Box<[SearchToolQuery]>),
+        DoubleArray(Box<[Box<[SearchToolQuery]>]>),
+        Single(SearchToolQuery),
+    }
+
+    #[derive(Deserialize)]
+    #[serde(untagged)]
+    enum MaybeDoubleEncoded {
+        SingleEncoded(QueryCollection),
+        DoubleEncoded(String),
+    }
+
+    let result = MaybeDoubleEncoded::deserialize(deserializer)?;
+
+    let normalized = match result {
+        MaybeDoubleEncoded::SingleEncoded(value) => value,
+        MaybeDoubleEncoded::DoubleEncoded(value) => {
+            serde_json::from_str(&value).map_err(D::Error::custom)?
+        }
+    };
+
+    Ok(match normalized {
+        QueryCollection::Array(items) => items,
+        QueryCollection::Single(search_tool_query) => Box::new([search_tool_query]),
+        QueryCollection::DoubleArray(double_array) => double_array.into_iter().flatten().collect(),
+    })
+}
+
 /// Search for relevant code by path, syntax hierarchy, and content.
-#[derive(Debug, Clone, Serialize, Deserialize, JsonSchema)]
+#[derive(Debug, Clone, Serialize, Deserialize, JsonSchema, Hash)]
 pub struct SearchToolQuery {
     /// 1. A glob pattern to match file paths in the codebase to search in.
     pub glob: String,
@@ -92,3 +130,115 @@ const TOOL_USE_REMINDER: &str = indoc! {"
     --
     Analyze the user's intent in one to two sentences, then call the `search` tool.
 "};
+
+#[cfg(test)]
+mod tests {
+    use serde_json::json;
+
+    use super::*;
+
+    #[test]
+    fn test_deserialize_queries() {
+        let single_query_json = indoc! {r#"{
+            "queries": {
+                "glob": "**/*.rs",
+                "syntax_node": ["fn test"],
+                "content": "assert"
+            }
+        }"#};
+
+        let flat_input: SearchToolInput = serde_json::from_str(single_query_json).unwrap();
+        assert_eq!(flat_input.queries.len(), 1);
+        assert_eq!(flat_input.queries[0].glob, "**/*.rs");
+        assert_eq!(flat_input.queries[0].syntax_node, vec!["fn test"]);
+        assert_eq!(flat_input.queries[0].content, Some("assert".to_string()));
+
+        let flat_json = indoc! {r#"{
+            "queries": [
+                {
+                    "glob": "**/*.rs",
+                    "syntax_node": ["fn test"],
+                    "content": "assert"
+                },
+                {
+                    "glob": "**/*.ts",
+                    "syntax_node": [],
+                    "content": null
+                }
+            ]
+        }"#};
+
+        let flat_input: SearchToolInput = serde_json::from_str(flat_json).unwrap();
+        assert_eq!(flat_input.queries.len(), 2);
+        assert_eq!(flat_input.queries[0].glob, "**/*.rs");
+        assert_eq!(flat_input.queries[0].syntax_node, vec!["fn test"]);
+        assert_eq!(flat_input.queries[0].content, Some("assert".to_string()));
+        assert_eq!(flat_input.queries[1].glob, "**/*.ts");
+        assert_eq!(flat_input.queries[1].syntax_node.len(), 0);
+        assert_eq!(flat_input.queries[1].content, None);
+
+        let nested_json = indoc! {r#"{
+            "queries": [
+                [
+                    {
+                        "glob": "**/*.rs",
+                        "syntax_node": ["fn test"],
+                        "content": "assert"
+                    }
+                ],
+                [
+                    {
+                        "glob": "**/*.ts",
+                        "syntax_node": [],
+                        "content": null
+                    }
+                ]
+            ]
+        }"#};
+
+        let nested_input: SearchToolInput = serde_json::from_str(nested_json).unwrap();
+
+        assert_eq!(nested_input.queries.len(), 2);
+
+        assert_eq!(nested_input.queries[0].glob, "**/*.rs");
+        assert_eq!(nested_input.queries[0].syntax_node, vec!["fn test"]);
+        assert_eq!(nested_input.queries[0].content, Some("assert".to_string()));
+        assert_eq!(nested_input.queries[1].glob, "**/*.ts");
+        assert_eq!(nested_input.queries[1].syntax_node.len(), 0);
+        assert_eq!(nested_input.queries[1].content, None);
+
+        let double_encoded_queries = serde_json::to_string(&json!({
+            "queries": serde_json::to_string(&json!([
+                {
+                    "glob": "**/*.rs",
+                    "syntax_node": ["fn test"],
+                    "content": "assert"
+                },
+                {
+                    "glob": "**/*.ts",
+                    "syntax_node": [],
+                    "content": null
+                }
+            ])).unwrap()
+        }))
+        .unwrap();
+
+        let double_encoded_input: SearchToolInput =
+            serde_json::from_str(&double_encoded_queries).unwrap();
+
+        assert_eq!(double_encoded_input.queries.len(), 2);
+
+        assert_eq!(double_encoded_input.queries[0].glob, "**/*.rs");
+        assert_eq!(double_encoded_input.queries[0].syntax_node, vec!["fn test"]);
+        assert_eq!(
+            double_encoded_input.queries[0].content,
+            Some("assert".to_string())
+        );
+        assert_eq!(double_encoded_input.queries[1].glob, "**/*.ts");
+        assert_eq!(double_encoded_input.queries[1].syntax_node.len(), 0);
+        assert_eq!(double_encoded_input.queries[1].content, None);
+
+        // ### ERROR Switching from var declarations to lexical declarations [RUN 073]
+        // invalid search json {"queries": ["express/lib/response.js", "var\\s+[a-zA-Z_][a-zA-Z0-9_]*\\s*=.*;", "function.*\\(.*\\).*\\{.*\\}"]}
+    }
+}

crates/collab/migrations/20251111161644_drop_embeddings.sql

@@ -0,0 +1 @@
+drop table embeddings;

crates/collab/migrations/20251117215316_add_external_id_to_billing_customers.sql

@@ -0,0 +1,4 @@
+alter table billing_customers
+    add column external_id text;
+
+create unique index uix_billing_customers_on_external_id on billing_customers (external_id);

crates/collab/src/db/queries.rs

@@ -5,7 +5,6 @@ pub mod buffers;
 pub mod channels;
 pub mod contacts;
 pub mod contributors;
-pub mod embeddings;
 pub mod extensions;
 pub mod notifications;
 pub mod projects;

crates/collab/src/db/queries/embeddings.rs

@@ -1,94 +0,0 @@
-use super::*;
-use time::Duration;
-use time::OffsetDateTime;
-
-impl Database {
-    pub async fn get_embeddings(
-        &self,
-        model: &str,
-        digests: &[Vec<u8>],
-    ) -> Result<HashMap<Vec<u8>, Vec<f32>>> {
-        self.transaction(|tx| async move {
-            let embeddings = {
-                let mut db_embeddings = embedding::Entity::find()
-                    .filter(
-                        embedding::Column::Model.eq(model).and(
-                            embedding::Column::Digest
-                                .is_in(digests.iter().map(|digest| digest.as_slice())),
-                        ),
-                    )
-                    .stream(&*tx)
-                    .await?;
-
-                let mut embeddings = HashMap::default();
-                while let Some(db_embedding) = db_embeddings.next().await {
-                    let db_embedding = db_embedding?;
-                    embeddings.insert(db_embedding.digest, db_embedding.dimensions);
-                }
-                embeddings
-            };
-
-            if !embeddings.is_empty() {
-                let now = OffsetDateTime::now_utc();
-                let retrieved_at = PrimitiveDateTime::new(now.date(), now.time());
-
-                embedding::Entity::update_many()
-                    .filter(
-                        embedding::Column::Digest
-                            .is_in(embeddings.keys().map(|digest| digest.as_slice())),
-                    )
-                    .col_expr(embedding::Column::RetrievedAt, Expr::value(retrieved_at))
-                    .exec(&*tx)
-                    .await?;
-            }
-
-            Ok(embeddings)
-        })
-        .await
-    }
-
-    pub async fn save_embeddings(
-        &self,
-        model: &str,
-        embeddings: &HashMap<Vec<u8>, Vec<f32>>,
-    ) -> Result<()> {
-        self.transaction(|tx| async move {
-            embedding::Entity::insert_many(embeddings.iter().map(|(digest, dimensions)| {
-                let now_offset_datetime = OffsetDateTime::now_utc();
-                let retrieved_at =
-                    PrimitiveDateTime::new(now_offset_datetime.date(), now_offset_datetime.time());
-
-                embedding::ActiveModel {
-                    model: ActiveValue::set(model.to_string()),
-                    digest: ActiveValue::set(digest.clone()),
-                    dimensions: ActiveValue::set(dimensions.clone()),
-                    retrieved_at: ActiveValue::set(retrieved_at),
-                }
-            }))
-            .on_conflict(
-                OnConflict::columns([embedding::Column::Model, embedding::Column::Digest])
-                    .do_nothing()
-                    .to_owned(),
-            )
-            .exec_without_returning(&*tx)
-            .await?;
-            Ok(())
-        })
-        .await
-    }
-
-    pub async fn purge_old_embeddings(&self) -> Result<()> {
-        self.transaction(|tx| async move {
-            embedding::Entity::delete_many()
-                .filter(
-                    embedding::Column::RetrievedAt
-                        .lte(OffsetDateTime::now_utc() - Duration::days(60)),
-                )
-                .exec(&*tx)
-                .await?;
-
-            Ok(())
-        })
-        .await
-    }
-}

crates/collab/src/db/queries/projects.rs

@@ -1005,6 +1005,7 @@ impl Database {
                         is_last_update: true,
                         merge_message: db_repository_entry.merge_message,
                         stash_entries: Vec::new(),
+                        renamed_paths: Default::default(),
                     });
                 }
             }

crates/collab/src/db/queries/rooms.rs

@@ -796,6 +796,7 @@ impl Database {
                             is_last_update: true,
                             merge_message: db_repository.merge_message,
                             stash_entries: Vec::new(),
+                            renamed_paths: Default::default(),
                         });
                     }
                 }

crates/collab/src/db/tables.rs

@@ -8,7 +8,6 @@ pub mod channel_chat_participant;
 pub mod channel_member;
 pub mod contact;
 pub mod contributor;
-pub mod embedding;
 pub mod extension;
 pub mod extension_version;
 pub mod follower;

crates/collab/src/db/tables/embedding.rs

@@ -1,18 +0,0 @@
-use sea_orm::entity::prelude::*;
-use time::PrimitiveDateTime;
-
-#[derive(Clone, Debug, PartialEq, DeriveEntityModel)]
-#[sea_orm(table_name = "embeddings")]
-pub struct Model {
-    #[sea_orm(primary_key)]
-    pub model: String,
-    #[sea_orm(primary_key)]
-    pub digest: Vec<u8>,
-    pub dimensions: Vec<f32>,
-    pub retrieved_at: PrimitiveDateTime,
-}
-
-#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
-pub enum Relation {}
-
-impl ActiveModelBehavior for ActiveModel {}

crates/collab/src/db/tables/user.rs

@@ -39,25 +39,6 @@ pub enum Relation {
     Contributor,
 }
 
-impl Model {
-    /// Returns the timestamp of when the user's account was created.
-    ///
-    /// This will be the earlier of the `created_at` and `github_user_created_at` timestamps.
-    pub fn account_created_at(&self) -> NaiveDateTime {
-        let mut account_created_at = self.created_at;
-        if let Some(github_created_at) = self.github_user_created_at {
-            account_created_at = account_created_at.min(github_created_at);
-        }
-
-        account_created_at
-    }
-
-    /// Returns the age of the user's account.
-    pub fn account_age(&self) -> chrono::Duration {
-        chrono::Utc::now().naive_utc() - self.account_created_at()
-    }
-}
-
 impl Related<super::access_token::Entity> for Entity {
     fn to() -> RelationDef {
         Relation::AccessToken.def()

crates/collab/src/db/tests.rs

@@ -2,9 +2,6 @@ mod buffer_tests;
 mod channel_tests;
 mod contributor_tests;
 mod db_tests;
-// we only run postgres tests on macos right now
-#[cfg(target_os = "macos")]
-mod embedding_tests;
 mod extension_tests;
 
 use crate::migrations::run_database_migrations;

crates/collab/src/db/tests/embedding_tests.rs

@@ -1,87 +0,0 @@
-use super::TestDb;
-use crate::db::embedding;
-use collections::HashMap;
-use sea_orm::{ColumnTrait, EntityTrait, QueryFilter, sea_query::Expr};
-use std::ops::Sub;
-use time::{Duration, OffsetDateTime, PrimitiveDateTime};
-
-// SQLite does not support array arguments, so we only test this against a real postgres instance
-#[gpui::test]
-async fn test_get_embeddings_postgres(cx: &mut gpui::TestAppContext) {
-    let test_db = TestDb::postgres(cx.executor());
-    let db = test_db.db();
-
-    let provider = "test_model";
-    let digest1 = vec![1, 2, 3];
-    let digest2 = vec![4, 5, 6];
-    let embeddings = HashMap::from_iter([
-        (digest1.clone(), vec![0.1, 0.2, 0.3]),
-        (digest2.clone(), vec![0.4, 0.5, 0.6]),
-    ]);
-
-    // Save embeddings
-    db.save_embeddings(provider, &embeddings).await.unwrap();
-
-    // Retrieve embeddings
-    let retrieved_embeddings = db
-        .get_embeddings(provider, &[digest1.clone(), digest2.clone()])
-        .await
-        .unwrap();
-    assert_eq!(retrieved_embeddings.len(), 2);
-    assert!(retrieved_embeddings.contains_key(&digest1));
-    assert!(retrieved_embeddings.contains_key(&digest2));
-
-    // Check if the retrieved embeddings are correct
-    assert_eq!(retrieved_embeddings[&digest1], vec![0.1, 0.2, 0.3]);
-    assert_eq!(retrieved_embeddings[&digest2], vec![0.4, 0.5, 0.6]);
-}
-
-#[gpui::test]
-async fn test_purge_old_embeddings(cx: &mut gpui::TestAppContext) {
-    let test_db = TestDb::postgres(cx.executor());
-    let db = test_db.db();
-
-    let model = "test_model";
-    let digest = vec![7, 8, 9];
-    let embeddings = HashMap::from_iter([(digest.clone(), vec![0.7, 0.8, 0.9])]);
-
-    // Save old embeddings
-    db.save_embeddings(model, &embeddings).await.unwrap();
-
-    // Reach into the DB and change the retrieved at to be > 60 days
-    db.transaction(|tx| {
-        let digest = digest.clone();
-        async move {
-            let sixty_days_ago = OffsetDateTime::now_utc().sub(Duration::days(61));
-            let retrieved_at = PrimitiveDateTime::new(sixty_days_ago.date(), sixty_days_ago.time());
-
-            embedding::Entity::update_many()
-                .filter(
-                    embedding::Column::Model
-                        .eq(model)
-                        .and(embedding::Column::Digest.eq(digest)),
-                )
-                .col_expr(embedding::Column::RetrievedAt, Expr::value(retrieved_at))
-                .exec(&*tx)
-                .await
-                .unwrap();
-
-            Ok(())
-        }
-    })
-    .await
-    .unwrap();
-
-    // Purge old embeddings
-    db.purge_old_embeddings().await.unwrap();
-
-    // Try to retrieve the purged embeddings
-    let retrieved_embeddings = db
-        .get_embeddings(model, std::slice::from_ref(&digest))
-        .await
-        .unwrap();
-    assert!(
-        retrieved_embeddings.is_empty(),
-        "Old embeddings should have been purged"
-    );
-}

crates/collab/src/main.rs

@@ -13,7 +13,7 @@ use collab::llm::db::LlmDatabase;
 use collab::migrations::run_database_migrations;
 use collab::{
     AppState, Config, Result, api::fetch_extensions_from_blob_store_periodically, db, env,
-    executor::Executor, rpc::ResultExt,
+    executor::Executor,
 };
 use db::Database;
 use std::{
@@ -95,8 +95,6 @@ async fn main() -> Result<()> {
                 let state = AppState::new(config, Executor::Production).await?;
 
                 if mode.is_collab() {
-                    state.db.purge_old_embeddings().await.trace_err();
-
                     let epoch = state
                         .db
                         .create_server(&state.config.zed_environment)

crates/collab/src/tests/editor_tests.rs

@@ -288,7 +288,7 @@ async fn test_newline_above_or_below_does_not_move_guest_cursor(
     "});
 }
 
-#[gpui::test(iterations = 10)]
+#[gpui::test]
 async fn test_collaborating_with_completion(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
     let mut server = TestServer::start(cx_a.executor()).await;
     let client_a = server.create_client(cx_a, "user_a").await;
@@ -307,17 +307,35 @@ async fn test_collaborating_with_completion(cx_a: &mut TestAppContext, cx_b: &mu
         ..lsp::ServerCapabilities::default()
     };
     client_a.language_registry().add(rust_lang());
-    let mut fake_language_servers = client_a.language_registry().register_fake_lsp(
+    let mut fake_language_servers = [
+        client_a.language_registry().register_fake_lsp(
+            "Rust",
+            FakeLspAdapter {
+                capabilities: capabilities.clone(),
+                ..FakeLspAdapter::default()
+            },
+        ),
+        client_a.language_registry().register_fake_lsp(
+            "Rust",
+            FakeLspAdapter {
+                name: "fake-analyzer",
+                capabilities: capabilities.clone(),
+                ..FakeLspAdapter::default()
+            },
+        ),
+    ];
+    client_b.language_registry().add(rust_lang());
+    client_b.language_registry().register_fake_lsp_adapter(
         "Rust",
         FakeLspAdapter {
             capabilities: capabilities.clone(),
             ..FakeLspAdapter::default()
         },
     );
-    client_b.language_registry().add(rust_lang());
     client_b.language_registry().register_fake_lsp_adapter(
         "Rust",
         FakeLspAdapter {
+            name: "fake-analyzer",
             capabilities,
             ..FakeLspAdapter::default()
         },
@@ -352,7 +370,8 @@ async fn test_collaborating_with_completion(cx_a: &mut TestAppContext, cx_b: &mu
         Editor::for_buffer(buffer_b.clone(), Some(project_b.clone()), window, cx)
     });
 
-    let fake_language_server = fake_language_servers.next().await.unwrap();
+    let fake_language_server = fake_language_servers[0].next().await.unwrap();
+    let second_fake_language_server = fake_language_servers[1].next().await.unwrap();
     cx_a.background_executor.run_until_parked();
 
     buffer_b.read_with(cx_b, |buffer, _| {
@@ -414,6 +433,11 @@ async fn test_collaborating_with_completion(cx_a: &mut TestAppContext, cx_b: &mu
         .next()
         .await
         .unwrap();
+    second_fake_language_server
+        .set_request_handler::<lsp::request::Completion, _, _>(|_, _| async move { Ok(None) })
+        .next()
+        .await
+        .unwrap();
     cx_a.executor().finish_waiting();
 
     // Open the buffer on the host.
@@ -522,6 +546,10 @@ async fn test_collaborating_with_completion(cx_a: &mut TestAppContext, cx_b: &mu
             ])))
         });
 
+    // Second language server also needs to handle the request (returns None)
+    let mut second_completion_response = second_fake_language_server
+        .set_request_handler::<lsp::request::Completion, _, _>(|_, _| async move { Ok(None) });
+
     // The completion now gets a new `text_edit.new_text` when resolving the completion item
     let mut resolve_completion_response = fake_language_server
         .set_request_handler::<lsp::request::ResolveCompletionItem, _, _>(|params, _| async move {
@@ -545,6 +573,7 @@ async fn test_collaborating_with_completion(cx_a: &mut TestAppContext, cx_b: &mu
     cx_b.executor().run_until_parked();
 
     completion_response.next().await.unwrap();
+    second_completion_response.next().await.unwrap();
 
     editor_b.update_in(cx_b, |editor, window, cx| {
         assert!(editor.context_menu_visible());
@@ -563,6 +592,77 @@ async fn test_collaborating_with_completion(cx_a: &mut TestAppContext, cx_b: &mu
             "use d::SomeTrait;\nfn main() { a.first_method(); a.third_method(, , ) }"
         );
     });
+
+    // Ensure buffer is synced before proceeding with the next test
+    cx_a.executor().run_until_parked();
+    cx_b.executor().run_until_parked();
+
+    // Test completions from the second fake language server
+    // Add another completion trigger to test the second language server
+    editor_b.update_in(cx_b, |editor, window, cx| {
+        editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
+            s.select_ranges([68..68])
+        });
+        editor.handle_input("; b", window, cx);
+        editor.handle_input(".", window, cx);
+    });
+
+    buffer_b.read_with(cx_b, |buffer, _| {
+        assert_eq!(
+            buffer.text(),
+            "use d::SomeTrait;\nfn main() { a.first_method(); a.third_method(, , ); b. }"
+        );
+    });
+
+    // Set up completion handlers for both language servers
+    let mut first_lsp_completion = fake_language_server
+        .set_request_handler::<lsp::request::Completion, _, _>(|_, _| async move { Ok(None) });
+
+    let mut second_lsp_completion = second_fake_language_server
+        .set_request_handler::<lsp::request::Completion, _, _>(|params, _| async move {
+            assert_eq!(
+                params.text_document_position.text_document.uri,
+                lsp::Uri::from_file_path(path!("/a/main.rs")).unwrap(),
+            );
+            assert_eq!(
+                params.text_document_position.position,
+                lsp::Position::new(1, 54),
+            );
+
+            Ok(Some(lsp::CompletionResponse::Array(vec![
+                lsp::CompletionItem {
+                    label: "analyzer_method(…)".into(),
+                    detail: Some("fn(&self) -> Result<T>".into()),
+                    text_edit: Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
+                        new_text: "analyzer_method()".to_string(),
+                        range: lsp::Range::new(
+                            lsp::Position::new(1, 54),
+                            lsp::Position::new(1, 54),
+                        ),
+                    })),
+                    insert_text_format: Some(lsp::InsertTextFormat::SNIPPET),
+                    ..Default::default()
+                },
+            ])))
+        });
+
+    cx_b.executor().run_until_parked();
+
+    // Await both language server responses
+    first_lsp_completion.next().await.unwrap();
+    second_lsp_completion.next().await.unwrap();
+
+    cx_b.executor().run_until_parked();
+
+    // Confirm the completion from the second language server works
+    editor_b.update_in(cx_b, |editor, window, cx| {
+        assert!(editor.context_menu_visible());
+        editor.confirm_completion(&ConfirmCompletion { item_ix: Some(0) }, window, cx);
+        assert_eq!(
+            editor.text(cx),
+            "use d::SomeTrait;\nfn main() { a.first_method(); a.third_method(, , ); b.analyzer_method() }"
+        );
+    });
 }
 
 #[gpui::test(iterations = 10)]
@@ -2169,16 +2269,28 @@ async fn test_inlay_hint_refresh_is_forwarded(
                 } else {
                     "initial hint"
                 };
-                Ok(Some(vec![lsp::InlayHint {
-                    position: lsp::Position::new(0, character),
-                    label: lsp::InlayHintLabel::String(label.to_string()),
-                    kind: None,
-                    text_edits: None,
-                    tooltip: None,
-                    padding_left: None,
-                    padding_right: None,
-                    data: None,
-                }]))
+                Ok(Some(vec![
+                    lsp::InlayHint {
+                        position: lsp::Position::new(0, character),
+                        label: lsp::InlayHintLabel::String(label.to_string()),
+                        kind: None,
+                        text_edits: None,
+                        tooltip: None,
+                        padding_left: None,
+                        padding_right: None,
+                        data: None,
+                    },
+                    lsp::InlayHint {
+                        position: lsp::Position::new(1090, 1090),
+                        label: lsp::InlayHintLabel::String("out-of-bounds hint".to_string()),
+                        kind: None,
+                        text_edits: None,
+                        tooltip: None,
+                        padding_left: None,
+                        padding_right: None,
+                        data: None,
+                    },
+                ]))
             }
         })
         .next()

crates/collab_ui/src/collab_panel.rs

@@ -672,20 +672,25 @@ impl CollabPanel {
             {
                 self.entries.push(ListEntry::ChannelEditor { depth: 0 });
             }
+
+            let should_respect_collapse = query.is_empty();
             let mut collapse_depth = None;
+
             for (idx, channel) in channels.into_iter().enumerate() {
                 let depth = channel.parent_path.len();
 
-                if collapse_depth.is_none() && self.is_channel_collapsed(channel.id) {
-                    collapse_depth = Some(depth);
-                } else if let Some(collapsed_depth) = collapse_depth {
-                    if depth > collapsed_depth {
-                        continue;
-                    }
-                    if self.is_channel_collapsed(channel.id) {
+                if should_respect_collapse {
+                    if collapse_depth.is_none() && self.is_channel_collapsed(channel.id) {
                         collapse_depth = Some(depth);
-                    } else {
-                        collapse_depth = None;
+                    } else if let Some(collapsed_depth) = collapse_depth {
+                        if depth > collapsed_depth {
+                            continue;
+                        }
+                        if self.is_channel_collapsed(channel.id) {
+                            collapse_depth = Some(depth);
+                        } else {
+                            collapse_depth = None;
+                        }
                     }
                 }
 

crates/context_server/Cargo.toml

@@ -12,7 +12,7 @@ workspace = true
 path = "src/context_server.rs"
 
 [features]
-test-support = []
+test-support = ["gpui/test-support"]
 
 [dependencies]
 anyhow.workspace = true
@@ -20,6 +20,7 @@ async-trait.workspace = true
 collections.workspace = true
 futures.workspace = true
 gpui.workspace = true
+http_client = { workspace = true, features = ["test-support"] }
 log.workspace = true
 net.workspace = true
 parking_lot.workspace = true
@@ -32,3 +33,6 @@ smol.workspace = true
 tempfile.workspace = true
 url = { workspace = true, features = ["serde"] }
 util.workspace = true
+
+[dev-dependencies]
+gpui = { workspace = true, features = ["test-support"] }

crates/context_server/src/context_server.rs

@@ -6,6 +6,8 @@ pub mod test;
 pub mod transport;
 pub mod types;
 
+use collections::HashMap;
+use http_client::HttpClient;
 use std::path::Path;
 use std::sync::Arc;
 use std::{fmt::Display, path::PathBuf};
@@ -15,6 +17,9 @@ use client::Client;
 use gpui::AsyncApp;
 use parking_lot::RwLock;
 pub use settings::ContextServerCommand;
+use url::Url;
+
+use crate::transport::HttpTransport;
 
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct ContextServerId(pub Arc<str>);
@@ -52,6 +57,25 @@ impl ContextServer {
         }
     }
 
+    pub fn http(
+        id: ContextServerId,
+        endpoint: &Url,
+        headers: HashMap<String, String>,
+        http_client: Arc<dyn HttpClient>,
+        executor: gpui::BackgroundExecutor,
+    ) -> Result<Self> {
+        let transport = match endpoint.scheme() {
+            "http" | "https" => {
+                log::info!("Using HTTP transport for {}", endpoint);
+                let transport =
+                    HttpTransport::new(http_client, endpoint.to_string(), headers, executor);
+                Arc::new(transport) as _
+            }
+            _ => anyhow::bail!("unsupported MCP url scheme {}", endpoint.scheme()),
+        };
+        Ok(Self::new(id, transport))
+    }
+
     pub fn new(id: ContextServerId, transport: Arc<dyn crate::transport::Transport>) -> Self {
         Self {
             id,

crates/context_server/src/transport.rs

@@ -1,11 +1,12 @@
+pub mod http;
 mod stdio_transport;
 
-use std::pin::Pin;
-
 use anyhow::Result;
 use async_trait::async_trait;
 use futures::Stream;
+use std::pin::Pin;
 
+pub use http::*;
 pub use stdio_transport::*;
 
 #[async_trait]

crates/context_server/src/transport/http.rs

@@ -0,0 +1,259 @@
+use anyhow::{Result, anyhow};
+use async_trait::async_trait;
+use collections::HashMap;
+use futures::{Stream, StreamExt};
+use gpui::BackgroundExecutor;
+use http_client::{AsyncBody, HttpClient, Request, Response, http::Method};
+use parking_lot::Mutex as SyncMutex;
+use smol::channel;
+use std::{pin::Pin, sync::Arc};
+
+use crate::transport::Transport;
+
+// Constants from MCP spec
+const HEADER_SESSION_ID: &str = "Mcp-Session-Id";
+const EVENT_STREAM_MIME_TYPE: &str = "text/event-stream";
+const JSON_MIME_TYPE: &str = "application/json";
+
+/// HTTP Transport with session management and SSE support
+pub struct HttpTransport {
+    http_client: Arc<dyn HttpClient>,
+    endpoint: String,
+    session_id: Arc<SyncMutex<Option<String>>>,
+    executor: BackgroundExecutor,
+    response_tx: channel::Sender<String>,
+    response_rx: channel::Receiver<String>,
+    error_tx: channel::Sender<String>,
+    error_rx: channel::Receiver<String>,
+    // Authentication headers to include in requests
+    headers: HashMap<String, String>,
+}
+
+impl HttpTransport {
+    pub fn new(
+        http_client: Arc<dyn HttpClient>,
+        endpoint: String,
+        headers: HashMap<String, String>,
+        executor: BackgroundExecutor,
+    ) -> Self {
+        let (response_tx, response_rx) = channel::unbounded();
+        let (error_tx, error_rx) = channel::unbounded();
+
+        Self {
+            http_client,
+            executor,
+            endpoint,
+            session_id: Arc::new(SyncMutex::new(None)),
+            response_tx,
+            response_rx,
+            error_tx,
+            error_rx,
+            headers,
+        }
+    }
+
+    /// Send a message and handle the response based on content type
+    async fn send_message(&self, message: String) -> Result<()> {
+        let is_notification =
+            !message.contains("\"id\":") || message.contains("notifications/initialized");
+
+        let mut request_builder = Request::builder()
+            .method(Method::POST)
+            .uri(&self.endpoint)
+            .header("Content-Type", JSON_MIME_TYPE)
+            .header(
+                "Accept",
+                format!("{}, {}", JSON_MIME_TYPE, EVENT_STREAM_MIME_TYPE),
+            );
+
+        for (key, value) in &self.headers {
+            request_builder = request_builder.header(key.as_str(), value.as_str());
+        }
+
+        // Add session ID if we have one (except for initialize)
+        if let Some(ref session_id) = *self.session_id.lock() {
+            request_builder = request_builder.header(HEADER_SESSION_ID, session_id.as_str());
+        }
+
+        let request = request_builder.body(AsyncBody::from(message.into_bytes()))?;
+        let mut response = self.http_client.send(request).await?;
+
+        // Handle different response types based on status and content-type
+        match response.status() {
+            status if status.is_success() => {
+                // Check content type
+                let content_type = response
+                    .headers()
+                    .get("content-type")
+                    .and_then(|v| v.to_str().ok());
+
+                // Extract session ID from response headers if present
+                if let Some(session_id) = response
+                    .headers()
+                    .get(HEADER_SESSION_ID)
+                    .and_then(|v| v.to_str().ok())
+                {
+                    *self.session_id.lock() = Some(session_id.to_string());
+                    log::debug!("Session ID set: {}", session_id);
+                }
+
+                match content_type {
+                    Some(ct) if ct.starts_with(JSON_MIME_TYPE) => {
+                        // JSON response - read and forward immediately
+                        let mut body = String::new();
+                        futures::AsyncReadExt::read_to_string(response.body_mut(), &mut body)
+                            .await?;
+
+                        // Only send non-empty responses
+                        if !body.is_empty() {
+                            self.response_tx
+                                .send(body)
+                                .await
+                                .map_err(|_| anyhow!("Failed to send JSON response"))?;
+                        }
+                    }
+                    Some(ct) if ct.starts_with(EVENT_STREAM_MIME_TYPE) => {
+                        // SSE stream - set up streaming
+                        self.setup_sse_stream(response).await?;
+                    }
+                    _ => {
+                        // For notifications, 202 Accepted with no content type is ok
+                        if is_notification && status.as_u16() == 202 {
+                            log::debug!("Notification accepted");
+                        } else {
+                            return Err(anyhow!("Unexpected content type: {:?}", content_type));
+                        }
+                    }
+                }
+            }
+            status if status.as_u16() == 202 => {
+                // Accepted - notification acknowledged, no response needed
+                log::debug!("Notification accepted");
+            }
+            _ => {
+                let mut error_body = String::new();
+                futures::AsyncReadExt::read_to_string(response.body_mut(), &mut error_body).await?;
+
+                self.error_tx
+                    .send(format!("HTTP {}: {}", response.status(), error_body))
+                    .await
+                    .map_err(|_| anyhow!("Failed to send error"))?;
+            }
+        }
+
+        Ok(())
+    }
+
+    /// Set up SSE streaming from the response
+    async fn setup_sse_stream(&self, mut response: Response<AsyncBody>) -> Result<()> {
+        let response_tx = self.response_tx.clone();
+        let error_tx = self.error_tx.clone();
+
+        // Spawn a task to handle the SSE stream
+        smol::spawn(async move {
+            let reader = futures::io::BufReader::new(response.body_mut());
+            let mut lines = futures::AsyncBufReadExt::lines(reader);
+
+            let mut data_buffer = Vec::new();
+            let mut in_message = false;
+
+            while let Some(line_result) = lines.next().await {
+                match line_result {
+                    Ok(line) => {
+                        if line.is_empty() {
+                            // Empty line signals end of event
+                            if !data_buffer.is_empty() {
+                                let message = data_buffer.join("\n");
+
+                                // Filter out ping messages and empty data
+                                if !message.trim().is_empty() && message != "ping" {
+                                    if let Err(e) = response_tx.send(message).await {
+                                        log::error!("Failed to send SSE message: {}", e);
+                                        break;
+                                    }
+                                }
+                                data_buffer.clear();
+                            }
+                            in_message = false;
+                        } else if let Some(data) = line.strip_prefix("data: ") {
+                            // Handle data lines
+                            let data = data.trim();
+                            if !data.is_empty() {
+                                // Check if this is a ping message
+                                if data == "ping" {
+                                    log::trace!("Received SSE ping");
+                                    continue;
+                                }
+                                data_buffer.push(data.to_string());
+                                in_message = true;
+                            }
+                        } else if line.starts_with("event:")
+                            || line.starts_with("id:")
+                            || line.starts_with("retry:")
+                        {
+                            // Ignore other SSE fields
+                            continue;
+                        } else if in_message {
+                            // Continuation of data
+                            data_buffer.push(line);
+                        }
+                    }
+                    Err(e) => {
+                        let _ = error_tx.send(format!("SSE stream error: {}", e)).await;
+                        break;
+                    }
+                }
+            }
+        })
+        .detach();
+
+        Ok(())
+    }
+}
+
+#[async_trait]
+impl Transport for HttpTransport {
+    async fn send(&self, message: String) -> Result<()> {
+        self.send_message(message).await
+    }
+
+    fn receive(&self) -> Pin<Box<dyn Stream<Item = String> + Send>> {
+        Box::pin(self.response_rx.clone())
+    }
+
+    fn receive_err(&self) -> Pin<Box<dyn Stream<Item = String> + Send>> {
+        Box::pin(self.error_rx.clone())
+    }
+}
+
+impl Drop for HttpTransport {
+    fn drop(&mut self) {
+        // Try to cleanup session on drop
+        let http_client = self.http_client.clone();
+        let endpoint = self.endpoint.clone();
+        let session_id = self.session_id.lock().clone();
+        let headers = self.headers.clone();
+
+        if let Some(session_id) = session_id {
+            self.executor
+                .spawn(async move {
+                    let mut request_builder = Request::builder()
+                        .method(Method::DELETE)
+                        .uri(&endpoint)
+                        .header(HEADER_SESSION_ID, &session_id);
+
+                    // Add authentication headers if present
+                    for (key, value) in headers {
+                        request_builder = request_builder.header(key.as_str(), value.as_str());
+                    }
+
+                    let request = request_builder.body(AsyncBody::empty());
+
+                    if let Ok(request) = request {
+                        let _ = http_client.send(request).await;
+                    }
+                })
+                .detach();
+        }
+    }
+}

crates/crashes/src/crashes.rs

@@ -289,15 +289,11 @@ impl minidumper::ServerHandler for CrashServer {
 pub fn panic_hook(info: &PanicHookInfo) {
     // Don't handle a panic on threads that are not relevant to the main execution.
     if extension_host::wasm_host::IS_WASM_THREAD.with(|v| v.load(Ordering::Acquire)) {
+        log::error!("wasm thread panicked!");
         return;
     }
 
-    let message = info
-        .payload()
-        .downcast_ref::<&str>()
-        .map(|s| s.to_string())
-        .or_else(|| info.payload().downcast_ref::<String>().cloned())
-        .unwrap_or_else(|| "Box<Any>".to_string());
+    let message = info.payload_as_str().unwrap_or("Box<Any>").to_owned();
 
     let span = info
         .location()

crates/debugger_tools/src/dap_log.rs

@@ -1029,13 +1029,11 @@ impl SearchableItem for DapLogView {
         &mut self,
         index: usize,
         matches: &[Self::Match],
-        collapse: bool,
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        self.editor.update(cx, |e, cx| {
-            e.activate_match(index, matches, collapse, window, cx)
-        })
+        self.editor
+            .update(cx, |e, cx| e.activate_match(index, matches, window, cx))
     }
 
     fn select_matches(

crates/debugger_ui/src/session/running/console.rs

@@ -677,6 +677,8 @@ impl ConsoleQueryBarCompletionProvider {
                         ),
                         new_text: string_match.string.clone(),
                         label: CodeLabel::plain(string_match.string.clone(), None),
+                        match_start: None,
+                        snippet_deduplication_key: None,
                         icon_path: None,
                         documentation: Some(CompletionDocumentation::MultiLineMarkdown(
                             variable_value.into(),
@@ -790,6 +792,8 @@ impl ConsoleQueryBarCompletionProvider {
                         documentation: completion.detail.map(|detail| {
                             CompletionDocumentation::MultiLineMarkdown(detail.into())
                         }),
+                        match_start: None,
+                        snippet_deduplication_key: None,
                         confirm: None,
                         source: project::CompletionSource::Dap { sort_text },
                         insert_text_mode: None,

crates/diagnostics/src/buffer_diagnostics.rs

@@ -370,11 +370,16 @@ impl BufferDiagnosticsEditor {
                     continue;
                 }
 
+                let languages = buffer_diagnostics_editor
+                    .read_with(cx, |b, cx| b.project.read(cx).languages().clone())
+                    .ok();
+
                 let diagnostic_blocks = cx.update(|_window, cx| {
                     DiagnosticRenderer::diagnostic_blocks_for_group(
                         group,
                         buffer_snapshot.remote_id(),
                         Some(Arc::new(buffer_diagnostics_editor.clone())),
+                        languages,
                         cx,
                     )
                 })?;

crates/diagnostics/src/diagnostic_renderer.rs

@@ -6,7 +6,7 @@ use editor::{
     hover_popover::diagnostics_markdown_style,
 };
 use gpui::{AppContext, Entity, Focusable, WeakEntity};
-use language::{BufferId, Diagnostic, DiagnosticEntryRef};
+use language::{BufferId, Diagnostic, DiagnosticEntryRef, LanguageRegistry};
 use lsp::DiagnosticSeverity;
 use markdown::{Markdown, MarkdownElement};
 use settings::Settings;
@@ -27,6 +27,7 @@ impl DiagnosticRenderer {
         diagnostic_group: Vec<DiagnosticEntryRef<'_, Point>>,
         buffer_id: BufferId,
         diagnostics_editor: Option<Arc<dyn DiagnosticsToolbarEditor>>,
+        language_registry: Option<Arc<LanguageRegistry>>,
         cx: &mut App,
     ) -> Vec<DiagnosticBlock> {
         let Some(primary_ix) = diagnostic_group
@@ -75,11 +76,14 @@ impl DiagnosticRenderer {
                         ))
                     }
                 }
+
                 results.push(DiagnosticBlock {
                     initial_range: primary.range.clone(),
                     severity: primary.diagnostic.severity,
                     diagnostics_editor: diagnostics_editor.clone(),
-                    markdown: cx.new(|cx| Markdown::new(markdown.into(), None, None, cx)),
+                    markdown: cx.new(|cx| {
+                        Markdown::new(markdown.into(), language_registry.clone(), None, cx)
+                    }),
                 });
             } else {
                 if entry.range.start.row.abs_diff(primary.range.start.row) >= 5 {
@@ -91,7 +95,9 @@ impl DiagnosticRenderer {
                     initial_range: entry.range.clone(),
                     severity: entry.diagnostic.severity,
                     diagnostics_editor: diagnostics_editor.clone(),
-                    markdown: cx.new(|cx| Markdown::new(markdown.into(), None, None, cx)),
+                    markdown: cx.new(|cx| {
+                        Markdown::new(markdown.into(), language_registry.clone(), None, cx)
+                    }),
                 });
             }
         }
@@ -118,9 +124,16 @@ impl editor::DiagnosticRenderer for DiagnosticRenderer {
         buffer_id: BufferId,
         snapshot: EditorSnapshot,
         editor: WeakEntity<Editor>,
+        language_registry: Option<Arc<LanguageRegistry>>,
         cx: &mut App,
     ) -> Vec<BlockProperties<Anchor>> {
-        let blocks = Self::diagnostic_blocks_for_group(diagnostic_group, buffer_id, None, cx);
+        let blocks = Self::diagnostic_blocks_for_group(
+            diagnostic_group,
+            buffer_id,
+            None,
+            language_registry,
+            cx,
+        );
 
         blocks
             .into_iter()
@@ -146,9 +159,16 @@ impl editor::DiagnosticRenderer for DiagnosticRenderer {
         diagnostic_group: Vec<DiagnosticEntryRef<'_, Point>>,
         range: Range<Point>,
         buffer_id: BufferId,
+        language_registry: Option<Arc<LanguageRegistry>>,
         cx: &mut App,
     ) -> Option<Entity<Markdown>> {
-        let blocks = Self::diagnostic_blocks_for_group(diagnostic_group, buffer_id, None, cx);
+        let blocks = Self::diagnostic_blocks_for_group(
+            diagnostic_group,
+            buffer_id,
+            None,
+            language_registry,
+            cx,
+        );
         blocks
             .into_iter()
             .find_map(|block| (block.initial_range == range).then(|| block.markdown))
@@ -206,6 +226,11 @@ impl DiagnosticBlock {
                     self.markdown.clone(),
                     diagnostics_markdown_style(bcx.window, cx),
                 )
+                .code_block_renderer(markdown::CodeBlockRenderer::Default {
+                    copy_button: false,
+                    copy_button_on_hover: false,
+                    border: false,
+                })
                 .on_url_click({
                     move |link, window, cx| {
                         editor

crates/diagnostics/src/diagnostics.rs

@@ -73,7 +73,7 @@ pub fn init(cx: &mut App) {
 }
 
 pub(crate) struct ProjectDiagnosticsEditor {
-    project: Entity<Project>,
+    pub project: Entity<Project>,
     workspace: WeakEntity<Workspace>,
     focus_handle: FocusHandle,
     editor: Entity<Editor>,
@@ -182,7 +182,6 @@ impl ProjectDiagnosticsEditor {
                 project::Event::DiskBasedDiagnosticsFinished { language_server_id } => {
                     log::debug!("disk based diagnostics finished for server {language_server_id}");
                     this.close_diagnosticless_buffers(
-                        window,
                         cx,
                         this.editor.focus_handle(cx).contains_focused(window, cx)
                             || this.focus_handle.contains_focused(window, cx),
@@ -247,10 +246,10 @@ impl ProjectDiagnosticsEditor {
                             window.focus(&this.focus_handle);
                         }
                     }
-                    EditorEvent::Blurred => this.close_diagnosticless_buffers(window, cx, false),
-                    EditorEvent::Saved => this.close_diagnosticless_buffers(window, cx, true),
+                    EditorEvent::Blurred => this.close_diagnosticless_buffers(cx, false),
+                    EditorEvent::Saved => this.close_diagnosticless_buffers(cx, true),
                     EditorEvent::SelectionsChanged { .. } => {
-                        this.close_diagnosticless_buffers(window, cx, true)
+                        this.close_diagnosticless_buffers(cx, true)
                     }
                     _ => {}
                 }
@@ -298,12 +297,7 @@ impl ProjectDiagnosticsEditor {
     ///  - have no diagnostics anymore
     ///  - are saved (not dirty)
     ///  - and, if `retain_selections` is true, do not have selections within them
-    fn close_diagnosticless_buffers(
-        &mut self,
-        _window: &mut Window,
-        cx: &mut Context<Self>,
-        retain_selections: bool,
-    ) {
+    fn close_diagnosticless_buffers(&mut self, cx: &mut Context<Self>, retain_selections: bool) {
         let snapshot = self
             .editor
             .update(cx, |editor, cx| editor.display_snapshot(cx));
@@ -447,7 +441,7 @@ impl ProjectDiagnosticsEditor {
     fn focus_out(&mut self, _: FocusOutEvent, window: &mut Window, cx: &mut Context<Self>) {
         if !self.focus_handle.is_focused(window) && !self.editor.focus_handle(cx).is_focused(window)
         {
-            self.close_diagnosticless_buffers(window, cx, false);
+            self.close_diagnosticless_buffers(cx, false);
         }
     }
 
@@ -461,8 +455,7 @@ impl ProjectDiagnosticsEditor {
                 });
             }
         });
-        self.multibuffer
-            .update(cx, |multibuffer, cx| multibuffer.clear(cx));
+        self.close_diagnosticless_buffers(cx, false);
         self.project.update(cx, |project, cx| {
             self.paths_to_update = project
                 .diagnostic_summaries(false, cx)
@@ -498,7 +491,7 @@ impl ProjectDiagnosticsEditor {
         cx: &mut Context<Self>,
     ) -> Task<Result<()>> {
         let was_empty = self.multibuffer.read(cx).is_empty();
-        let mut buffer_snapshot = buffer.read(cx).snapshot();
+        let buffer_snapshot = buffer.read(cx).snapshot();
         let buffer_id = buffer_snapshot.remote_id();
 
         let max_severity = if self.include_warnings {
@@ -552,11 +545,15 @@ impl ProjectDiagnosticsEditor {
                 if group_severity.is_none_or(|s| s > max_severity) {
                     continue;
                 }
+                let languages = this
+                    .read_with(cx, |t, cx| t.project.read(cx).languages().clone())
+                    .ok();
                 let more = cx.update(|_, cx| {
                     crate::diagnostic_renderer::DiagnosticRenderer::diagnostic_blocks_for_group(
                         group,
                         buffer_snapshot.remote_id(),
                         Some(diagnostics_toolbar_editor.clone()),
+                        languages,
                         cx,
                     )
                 })?;
@@ -605,7 +602,6 @@ impl ProjectDiagnosticsEditor {
                     cx,
                 )
                 .await;
-                buffer_snapshot = cx.update(|_, cx| buffer.read(cx).snapshot())?;
                 let initial_range = buffer_snapshot.anchor_after(b.initial_range.start)
                     ..buffer_snapshot.anchor_before(b.initial_range.end);
                 let excerpt_range = ExcerptRange {
@@ -1013,11 +1009,14 @@ async fn heuristic_syntactic_expand(
     snapshot: BufferSnapshot,
     cx: &mut AsyncApp,
 ) -> Option<RangeInclusive<BufferRow>> {
+    let start = snapshot.clip_point(input_range.start, Bias::Right);
+    let end = snapshot.clip_point(input_range.end, Bias::Left);
     let input_row_count = input_range.end.row - input_range.start.row;
     if input_row_count > max_row_count {
         return None;
     }
 
+    let input_range = start..end;
     // If the outline node contains the diagnostic and is small enough, just use that.
     let outline_range = snapshot.outline_range_containing(input_range.clone());
     if let Some(outline_range) = outline_range.clone() {

crates/edit_prediction/src/edit_prediction.rs

@@ -104,6 +104,7 @@ pub trait EditPredictionProvider: 'static + Sized {
     );
     fn accept(&mut self, cx: &mut Context<Self>);
     fn discard(&mut self, cx: &mut Context<Self>);
+    fn did_show(&mut self, _cx: &mut Context<Self>) {}
     fn suggest(
         &mut self,
         buffer: &Entity<Buffer>,
@@ -142,6 +143,7 @@ pub trait EditPredictionProviderHandle {
         direction: Direction,
         cx: &mut App,
     );
+    fn did_show(&self, cx: &mut App);
     fn accept(&self, cx: &mut App);
     fn discard(&self, cx: &mut App);
     fn suggest(
@@ -233,6 +235,10 @@ where
         self.update(cx, |this, cx| this.discard(cx))
     }
 
+    fn did_show(&self, cx: &mut App) {
+        self.update(cx, |this, cx| this.did_show(cx))
+    }
+
     fn suggest(
         &self,
         buffer: &Entity<Buffer>,

crates/edit_prediction_button/Cargo.toml

@@ -18,18 +18,19 @@ client.workspace = true
 cloud_llm_client.workspace = true
 codestral.workspace = true
 copilot.workspace = true
+edit_prediction.workspace = true
 editor.workspace = true
 feature_flags.workspace = true
 fs.workspace = true
 gpui.workspace = true
 indoc.workspace = true
-edit_prediction.workspace = true
 language.workspace = true
 paths.workspace = true
 project.workspace = true
 regex.workspace = true
 settings.workspace = true
 supermaven.workspace = true
+sweep_ai.workspace = true
 telemetry.workspace = true
 ui.workspace = true
 workspace.workspace = true

crates/edit_prediction_button/src/edit_prediction_button.rs

@@ -18,12 +18,15 @@ use language::{
 };
 use project::DisableAiSettings;
 use regex::Regex;
-use settings::{Settings, SettingsStore, update_settings_file};
+use settings::{
+    EXPERIMENTAL_SWEEP_EDIT_PREDICTION_PROVIDER_NAME, Settings, SettingsStore, update_settings_file,
+};
 use std::{
     sync::{Arc, LazyLock},
     time::Duration,
 };
 use supermaven::{AccountStatus, Supermaven};
+use sweep_ai::SweepFeatureFlag;
 use ui::{
     Clickable, ContextMenu, ContextMenuEntry, DocumentationEdge, DocumentationSide, IconButton,
     IconButtonShape, Indicator, PopoverMenu, PopoverMenuHandle, ProgressBar, Tooltip, prelude::*,
@@ -43,7 +46,8 @@ actions!(
     ]
 );
 
-const COPILOT_SETTINGS_URL: &str = "https://github.com/settings/copilot";
+const COPILOT_SETTINGS_PATH: &str = "/settings/copilot";
+const COPILOT_SETTINGS_URL: &str = concat!("https://github.com", "/settings/copilot");
 const PRIVACY_DOCS: &str = "https://zed.dev/docs/ai/privacy-and-security";
 
 struct CopilotErrorToast;
@@ -77,7 +81,7 @@ impl Render for EditPredictionButton {
 
         let all_language_settings = all_language_settings(None, cx);
 
-        match all_language_settings.edit_predictions.provider {
+        match &all_language_settings.edit_predictions.provider {
             EditPredictionProvider::None => div().hidden(),
 
             EditPredictionProvider::Copilot => {
@@ -128,20 +132,21 @@ impl Render for EditPredictionButton {
                             }),
                     );
                 }
-                let this = cx.entity();
+                let this = cx.weak_entity();
 
                 div().child(
                     PopoverMenu::new("copilot")
                         .menu(move |window, cx| {
                             let current_status = Copilot::global(cx)?.read(cx).status();
-                            Some(match current_status {
+                            match current_status {
                                 Status::Authorized => this.update(cx, |this, cx| {
                                     this.build_copilot_context_menu(window, cx)
                                 }),
                                 _ => this.update(cx, |this, cx| {
                                     this.build_copilot_start_menu(window, cx)
                                 }),
-                            })
+                            }
+                            .ok()
                         })
                         .anchor(Corner::BottomRight)
                         .trigger_with_tooltip(
@@ -182,7 +187,7 @@ impl Render for EditPredictionButton {
                 let icon = status.to_icon();
                 let tooltip_text = status.to_tooltip();
                 let has_menu = status.has_menu();
-                let this = cx.entity();
+                let this = cx.weak_entity();
                 let fs = self.fs.clone();
 
                 div().child(
@@ -209,9 +214,11 @@ impl Render for EditPredictionButton {
                                     )
                                 }))
                             }
-                            SupermavenButtonStatus::Ready => Some(this.update(cx, |this, cx| {
-                                this.build_supermaven_context_menu(window, cx)
-                            })),
+                            SupermavenButtonStatus::Ready => this
+                                .update(cx, |this, cx| {
+                                    this.build_supermaven_context_menu(window, cx)
+                                })
+                                .ok(),
                             _ => None,
                         })
                         .anchor(Corner::BottomRight)
@@ -233,15 +240,16 @@ impl Render for EditPredictionButton {
                 let enabled = self.editor_enabled.unwrap_or(true);
                 let has_api_key = CodestralCompletionProvider::has_api_key(cx);
                 let fs = self.fs.clone();
-                let this = cx.entity();
+                let this = cx.weak_entity();
 
                 div().child(
                     PopoverMenu::new("codestral")
                         .menu(move |window, cx| {
                             if has_api_key {
-                                Some(this.update(cx, |this, cx| {
+                                this.update(cx, |this, cx| {
                                     this.build_codestral_context_menu(window, cx)
-                                }))
+                                })
+                                .ok()
                             } else {
                                 Some(ContextMenu::build(window, cx, |menu, _, _| {
                                     let fs = fs.clone();
@@ -292,6 +300,15 @@ impl Render for EditPredictionButton {
                         .with_handle(self.popover_menu_handle.clone()),
                 )
             }
+            EditPredictionProvider::Experimental(provider_name) => {
+                if *provider_name == EXPERIMENTAL_SWEEP_EDIT_PREDICTION_PROVIDER_NAME
+                    && cx.has_flag::<SweepFeatureFlag>()
+                {
+                    div().child(Icon::new(IconName::SweepAi))
+                } else {
+                    div()
+                }
+            }
 
             EditPredictionProvider::Zed => {
                 let enabled = self.editor_enabled.unwrap_or(true);
@@ -520,7 +537,7 @@ impl EditPredictionButton {
                             set_completion_provider(fs.clone(), cx, provider);
                         })
                     }
-                    EditPredictionProvider::None => continue,
+                    EditPredictionProvider::None | EditPredictionProvider::Experimental(_) => continue,
                 };
             }
         }
@@ -832,6 +849,16 @@ impl EditPredictionButton {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) -> Entity<ContextMenu> {
+        let all_language_settings = all_language_settings(None, cx);
+        let copilot_config = copilot::copilot_chat::CopilotChatConfiguration {
+            enterprise_uri: all_language_settings
+                .edit_predictions
+                .copilot
+                .enterprise_uri
+                .clone(),
+        };
+        let settings_url = copilot_settings_url(copilot_config.enterprise_uri.as_deref());
+
         ContextMenu::build(window, cx, |menu, window, cx| {
             let menu = self.build_language_settings_menu(menu, window, cx);
             let menu =
@@ -840,10 +867,7 @@ impl EditPredictionButton {
             menu.separator()
                 .link(
                     "Go to Copilot Settings",
-                    OpenBrowser {
-                        url: COPILOT_SETTINGS_URL.to_string(),
-                    }
-                    .boxed_clone(),
+                    OpenBrowser { url: settings_url }.boxed_clone(),
                 )
                 .action("Sign Out", copilot::SignOut.boxed_clone())
         })
@@ -1172,3 +1196,99 @@ fn toggle_edit_prediction_mode(fs: Arc<dyn Fs>, mode: EditPredictionsMode, cx: &
         });
     }
 }
+
+fn copilot_settings_url(enterprise_uri: Option<&str>) -> String {
+    match enterprise_uri {
+        Some(uri) => {
+            format!("{}{}", uri.trim_end_matches('/'), COPILOT_SETTINGS_PATH)
+        }
+        None => COPILOT_SETTINGS_URL.to_string(),
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use gpui::TestAppContext;
+
+    #[gpui::test]
+    async fn test_copilot_settings_url_with_enterprise_uri(cx: &mut TestAppContext) {
+        cx.update(|cx| {
+            let settings_store = SettingsStore::test(cx);
+            cx.set_global(settings_store);
+        });
+
+        cx.update_global(|settings_store: &mut SettingsStore, cx| {
+            settings_store
+                .set_user_settings(
+                    r#"{"edit_predictions":{"copilot":{"enterprise_uri":"https://my-company.ghe.com"}}}"#,
+                    cx,
+                )
+                .unwrap();
+        });
+
+        let url = cx.update(|cx| {
+            let all_language_settings = all_language_settings(None, cx);
+            copilot_settings_url(
+                all_language_settings
+                    .edit_predictions
+                    .copilot
+                    .enterprise_uri
+                    .as_deref(),
+            )
+        });
+
+        assert_eq!(url, "https://my-company.ghe.com/settings/copilot");
+    }
+
+    #[gpui::test]
+    async fn test_copilot_settings_url_with_enterprise_uri_trailing_slash(cx: &mut TestAppContext) {
+        cx.update(|cx| {
+            let settings_store = SettingsStore::test(cx);
+            cx.set_global(settings_store);
+        });
+
+        cx.update_global(|settings_store: &mut SettingsStore, cx| {
+            settings_store
+                .set_user_settings(
+                    r#"{"edit_predictions":{"copilot":{"enterprise_uri":"https://my-company.ghe.com/"}}}"#,
+                    cx,
+                )
+                .unwrap();
+        });
+
+        let url = cx.update(|cx| {
+            let all_language_settings = all_language_settings(None, cx);
+            copilot_settings_url(
+                all_language_settings
+                    .edit_predictions
+                    .copilot
+                    .enterprise_uri
+                    .as_deref(),
+            )
+        });
+
+        assert_eq!(url, "https://my-company.ghe.com/settings/copilot");
+    }
+
+    #[gpui::test]
+    async fn test_copilot_settings_url_without_enterprise_uri(cx: &mut TestAppContext) {
+        cx.update(|cx| {
+            let settings_store = SettingsStore::test(cx);
+            cx.set_global(settings_store);
+        });
+
+        let url = cx.update(|cx| {
+            let all_language_settings = all_language_settings(None, cx);
+            copilot_settings_url(
+                all_language_settings
+                    .edit_predictions
+                    .copilot
+                    .enterprise_uri
+                    .as_deref(),
+            )
+        });
+
+        assert_eq!(url, "https://github.com/settings/copilot");
+    }
+}

crates/editor/src/code_completion_tests.rs

@@ -305,6 +305,8 @@ impl CompletionBuilder {
             icon_path: None,
             insert_text_mode: None,
             confirm: None,
+            match_start: None,
+            snippet_deduplication_key: None,
         }
     }
 }

crates/editor/src/code_context_menus.rs

@@ -17,7 +17,6 @@ use project::{CompletionDisplayOptions, CompletionSource};
 use task::DebugScenario;
 use task::TaskContext;
 
-use std::collections::VecDeque;
 use std::sync::Arc;
 use std::sync::atomic::{AtomicBool, Ordering};
 use std::{
@@ -36,12 +35,13 @@ use util::ResultExt;
 
 use crate::hover_popover::{hover_markdown_style, open_markdown_url};
 use crate::{
-    CodeActionProvider, CompletionId, CompletionItemKind, CompletionProvider, DisplayRow, Editor,
-    EditorStyle, ResolvedTasks,
+    CodeActionProvider, CompletionId, CompletionProvider, DisplayRow, Editor, EditorStyle,
+    ResolvedTasks,
     actions::{ConfirmCodeAction, ConfirmCompletion},
     split_words, styled_runs_for_code_label,
 };
 use crate::{CodeActionSource, EditorSettings};
+use collections::{HashSet, VecDeque};
 use settings::{Settings, SnippetSortOrder};
 
 pub const MENU_GAP: Pixels = px(4.);
@@ -220,7 +220,9 @@ pub struct CompletionsMenu {
     pub is_incomplete: bool,
     pub buffer: Entity<Buffer>,
     pub completions: Rc<RefCell<Box<[Completion]>>>,
-    match_candidates: Arc<[StringMatchCandidate]>,
+    /// String match candidate for each completion, grouped by `match_start`.
+    match_candidates: Arc<[(Option<text::Anchor>, Vec<StringMatchCandidate>)]>,
+    /// Entries displayed in the menu, which is a filtered and sorted subset of `match_candidates`.
     pub entries: Rc<RefCell<Box<[StringMatch]>>>,
     pub selected_item: usize,
     filter_task: Task<()>,
@@ -308,6 +310,8 @@ impl CompletionsMenu {
             .iter()
             .enumerate()
             .map(|(id, completion)| StringMatchCandidate::new(id, completion.label.filter_text()))
+            .into_group_map_by(|candidate| completions[candidate.id].match_start)
+            .into_iter()
             .collect();
 
         let completions_menu = Self {
@@ -355,6 +359,8 @@ impl CompletionsMenu {
                 replace_range: selection.start.text_anchor..selection.end.text_anchor,
                 new_text: choice.to_string(),
                 label: CodeLabel::plain(choice.to_string(), None),
+                match_start: None,
+                snippet_deduplication_key: None,
                 icon_path: None,
                 documentation: None,
                 confirm: None,
@@ -363,11 +369,14 @@ impl CompletionsMenu {
             })
             .collect();
 
-        let match_candidates = choices
-            .iter()
-            .enumerate()
-            .map(|(id, completion)| StringMatchCandidate::new(id, completion))
-            .collect();
+        let match_candidates = Arc::new([(
+            None,
+            choices
+                .iter()
+                .enumerate()
+                .map(|(id, completion)| StringMatchCandidate::new(id, completion))
+                .collect(),
+        )]);
         let entries = choices
             .iter()
             .enumerate()
@@ -497,7 +506,7 @@ impl CompletionsMenu {
         cx: &mut Context<Editor>,
     ) {
         self.scroll_handle
-            .scroll_to_item(self.selected_item, ScrollStrategy::Top);
+            .scroll_to_item(self.selected_item, ScrollStrategy::Nearest);
         if let Some(provider) = provider {
             let entries = self.entries.borrow();
             let entry = if self.selected_item < entries.len() {
@@ -948,7 +957,7 @@ impl CompletionsMenu {
         }
 
         let mat = &self.entries.borrow()[self.selected_item];
-        let completions = self.completions.borrow_mut();
+        let completions = self.completions.borrow();
         let multiline_docs = match completions[mat.candidate_id].documentation.as_ref() {
             Some(CompletionDocumentation::MultiLinePlainText(text)) => div().child(text.clone()),
             Some(CompletionDocumentation::SingleLineAndMultiLinePlainText {
@@ -1026,57 +1035,74 @@ impl CompletionsMenu {
 
     pub fn filter(
         &mut self,
-        query: Option<Arc<String>>,
+        query: Arc<String>,
+        query_end: text::Anchor,
+        buffer: &Entity<Buffer>,
         provider: Option<Rc<dyn CompletionProvider>>,
         window: &mut Window,
         cx: &mut Context<Editor>,
     ) {
         self.cancel_filter.store(true, Ordering::Relaxed);
-        if let Some(query) = query {
-            self.cancel_filter = Arc::new(AtomicBool::new(false));
-            let matches = self.do_async_filtering(query, cx);
-            let id = self.id;
-            self.filter_task = cx.spawn_in(window, async move |editor, cx| {
-                let matches = matches.await;
-                editor
-                    .update_in(cx, |editor, window, cx| {
-                        editor.with_completions_menu_matching_id(id, |this| {
-                            if let Some(this) = this {
-                                this.set_filter_results(matches, provider, window, cx);
-                            }
-                        });
-                    })
-                    .ok();
-            });
-        } else {
-            self.filter_task = Task::ready(());
-            let matches = self.unfiltered_matches();
-            self.set_filter_results(matches, provider, window, cx);
-        }
+        self.cancel_filter = Arc::new(AtomicBool::new(false));
+        let matches = self.do_async_filtering(query, query_end, buffer, cx);
+        let id = self.id;
+        self.filter_task = cx.spawn_in(window, async move |editor, cx| {
+            let matches = matches.await;
+            editor
+                .update_in(cx, |editor, window, cx| {
+                    editor.with_completions_menu_matching_id(id, |this| {
+                        if let Some(this) = this {
+                            this.set_filter_results(matches, provider, window, cx);
+                        }
+                    });
+                })
+                .ok();
+        });
     }
 
     pub fn do_async_filtering(
         &self,
         query: Arc<String>,
+        query_end: text::Anchor,
+        buffer: &Entity<Buffer>,
         cx: &Context<Editor>,
     ) -> Task<Vec<StringMatch>> {
-        let matches_task = cx.background_spawn({
-            let query = query.clone();
-            let match_candidates = self.match_candidates.clone();
-            let cancel_filter = self.cancel_filter.clone();
-            let background_executor = cx.background_executor().clone();
-            async move {
-                fuzzy::match_strings(
-                    &match_candidates,
-                    &query,
-                    query.chars().any(|c| c.is_uppercase()),
-                    false,
-                    1000,
-                    &cancel_filter,
-                    background_executor,
-                )
-                .await
+        let buffer_snapshot = buffer.read(cx).snapshot();
+        let background_executor = cx.background_executor().clone();
+        let match_candidates = self.match_candidates.clone();
+        let cancel_filter = self.cancel_filter.clone();
+        let default_query = query.clone();
+
+        let matches_task = cx.background_spawn(async move {
+            let queries_and_candidates = match_candidates
+                .iter()
+                .map(|(query_start, candidates)| {
+                    let query_for_batch = match query_start {
+                        Some(start) => {
+                            Arc::new(buffer_snapshot.text_for_range(*start..query_end).collect())
+                        }
+                        None => default_query.clone(),
+                    };
+                    (query_for_batch, candidates)
+                })
+                .collect_vec();
+
+            let mut results = vec![];
+            for (query, match_candidates) in queries_and_candidates {
+                results.extend(
+                    fuzzy::match_strings(
+                        &match_candidates,
+                        &query,
+                        query.chars().any(|c| c.is_uppercase()),
+                        false,
+                        1000,
+                        &cancel_filter,
+                        background_executor.clone(),
+                    )
+                    .await,
+                );
             }
+            results
         });
 
         let completions = self.completions.clone();
@@ -1085,45 +1111,31 @@ impl CompletionsMenu {
         cx.foreground_executor().spawn(async move {
             let mut matches = matches_task.await;
 
+            let completions_ref = completions.borrow();
+
             if sort_completions {
                 matches = Self::sort_string_matches(
                     matches,
-                    Some(&query),
+                    Some(&query), // used for non-snippets only
                     snippet_sort_order,
-                    completions.borrow().as_ref(),
+                    &completions_ref,
                 );
             }
 
+            // Remove duplicate snippet prefixes (e.g., "cool code" will match
+            // the text "c c" in two places; we should only show the longer one)
+            let mut snippets_seen = HashSet::<(usize, usize)>::default();
+            matches.retain(|result| {
+                match completions_ref[result.candidate_id].snippet_deduplication_key {
+                    Some(key) => snippets_seen.insert(key),
+                    None => true,
+                }
+            });
+
             matches
         })
     }
 
-    /// Like `do_async_filtering` but there is no filter query, so no need to spawn tasks.
-    pub fn unfiltered_matches(&self) -> Vec<StringMatch> {
-        let mut matches = self
-            .match_candidates
-            .iter()
-            .enumerate()
-            .map(|(candidate_id, candidate)| StringMatch {
-                candidate_id,
-                score: Default::default(),
-                positions: Default::default(),
-                string: candidate.string.clone(),
-            })
-            .collect();
-
-        if self.sort_completions {
-            matches = Self::sort_string_matches(
-                matches,
-                None,
-                self.snippet_sort_order,
-                self.completions.borrow().as_ref(),
-            );
-        }
-
-        matches
-    }
-
     pub fn set_filter_results(
         &mut self,
         matches: Vec<StringMatch>,
@@ -1166,28 +1178,13 @@ impl CompletionsMenu {
             .and_then(|c| c.to_lowercase().next());
 
         if snippet_sort_order == SnippetSortOrder::None {
-            matches.retain(|string_match| {
-                let completion = &completions[string_match.candidate_id];
-
-                let is_snippet = matches!(
-                    &completion.source,
-                    CompletionSource::Lsp { lsp_completion, .. }
-                    if lsp_completion.kind == Some(CompletionItemKind::SNIPPET)
-                );
-
-                !is_snippet
-            });
+            matches
+                .retain(|string_match| !completions[string_match.candidate_id].is_snippet_kind());
         }
 
         matches.sort_unstable_by_key(|string_match| {
             let completion = &completions[string_match.candidate_id];
 
-            let is_snippet = matches!(
-                &completion.source,
-                CompletionSource::Lsp { lsp_completion, .. }
-                if lsp_completion.kind == Some(CompletionItemKind::SNIPPET)
-            );
-
             let sort_text = match &completion.source {
                 CompletionSource::Lsp { lsp_completion, .. } => lsp_completion.sort_text.as_deref(),
                 CompletionSource::Dap { sort_text } => Some(sort_text.as_str()),
@@ -1199,14 +1196,17 @@ impl CompletionsMenu {
             let score = string_match.score;
             let sort_score = Reverse(OrderedFloat(score));
 
-            let query_start_doesnt_match_split_words = query_start_lower
-                .map(|query_char| {
-                    !split_words(&string_match.string).any(|word| {
-                        word.chars().next().and_then(|c| c.to_lowercase().next())
-                            == Some(query_char)
+            // Snippets do their own first-letter matching logic elsewhere.
+            let is_snippet = completion.is_snippet_kind();
+            let query_start_doesnt_match_split_words = !is_snippet
+                && query_start_lower
+                    .map(|query_char| {
+                        !split_words(&string_match.string).any(|word| {
+                            word.chars().next().and_then(|c| c.to_lowercase().next())
+                                == Some(query_char)
+                        })
                     })
-                })
-                .unwrap_or(false);
+                    .unwrap_or(false);
 
             if query_start_doesnt_match_split_words {
                 MatchTier::OtherMatch { sort_score }
@@ -1218,6 +1218,7 @@ impl CompletionsMenu {
                     SnippetSortOrder::None => Reverse(0),
                 };
                 let sort_positions = string_match.positions.clone();
+                // This exact matching won't work for multi-word snippets, but it's fine
                 let sort_exact = Reverse(if Some(completion.label.filter_text()) == query {
                     1
                 } else {

crates/editor/src/display_map.rs

@@ -1097,7 +1097,7 @@ impl DisplaySnapshot {
         details: &TextLayoutDetails,
     ) -> u32 {
         let layout_line = self.layout_row(display_row, details);
-        layout_line.index_for_x(x) as u32
+        layout_line.closest_index_for_x(x) as u32
     }
 
     pub fn grapheme_at(&self, mut point: DisplayPoint) -> Option<SharedString> {

crates/editor/src/display_map/inlay_map.rs

@@ -248,10 +248,8 @@ impl<'a> Iterator for InlayChunks<'a> {
                 // Determine split index handling edge cases
                 let split_index = if desired_bytes >= chunk.text.len() {
                     chunk.text.len()
-                } else if chunk.text.is_char_boundary(desired_bytes) {
-                    desired_bytes
                 } else {
-                    find_next_utf8_boundary(chunk.text, desired_bytes)
+                    chunk.text.ceil_char_boundary(desired_bytes)
                 };
 
                 let (prefix, suffix) = chunk.text.split_at(split_index);
@@ -373,10 +371,8 @@ impl<'a> Iterator for InlayChunks<'a> {
                         .next()
                         .map(|c| c.len_utf8())
                         .unwrap_or(1)
-                } else if inlay_chunk.is_char_boundary(next_inlay_highlight_endpoint) {
-                    next_inlay_highlight_endpoint
                 } else {
-                    find_next_utf8_boundary(inlay_chunk, next_inlay_highlight_endpoint)
+                    inlay_chunk.ceil_char_boundary(next_inlay_highlight_endpoint)
                 };
 
                 let (chunk, remainder) = inlay_chunk.split_at(split_index);
@@ -1146,31 +1142,6 @@ fn push_isomorphic(sum_tree: &mut SumTree<Transform>, summary: TextSummary) {
     }
 }
 
-/// Given a byte index that is NOT a UTF-8 boundary, find the next one.
-/// Assumes: 0 < byte_index < text.len() and !text.is_char_boundary(byte_index)
-#[inline(always)]
-fn find_next_utf8_boundary(text: &str, byte_index: usize) -> usize {
-    let bytes = text.as_bytes();
-    let mut idx = byte_index + 1;
-
-    // Scan forward until we find a boundary
-    while idx < text.len() {
-        if is_utf8_char_boundary(bytes[idx]) {
-            return idx;
-        }
-        idx += 1;
-    }
-
-    // Hit the end, return the full length
-    text.len()
-}
-
-// Private helper function taken from Rust's core::num module (which is both Apache2 and MIT licensed)
-const fn is_utf8_char_boundary(byte: u8) -> bool {
-    // This is bit magic equivalent to: b < 128 || b >= 192
-    (byte as i8) >= -0x40
-}
-
 #[cfg(test)]
 mod tests {
     use super::*;

crates/editor/src/editor.rs

@@ -117,8 +117,9 @@ use language::{
     AutoindentMode, BlockCommentConfig, BracketMatch, BracketPair, Buffer, BufferRow,
     BufferSnapshot, Capability, CharClassifier, CharKind, CharScopeContext, CodeLabel, CursorShape,
     DiagnosticEntryRef, DiffOptions, EditPredictionsMode, EditPreview, HighlightedText, IndentKind,
-    IndentSize, Language, OffsetRangeExt, OutlineItem, Point, Runnable, RunnableRange, Selection,
-    SelectionGoal, TextObject, TransactionId, TreeSitterOptions, WordsQuery,
+    IndentSize, Language, LanguageRegistry, OffsetRangeExt, OutlineItem, Point, Runnable,
+    RunnableRange, Selection, SelectionGoal, TextObject, TransactionId, TreeSitterOptions,
+    WordsQuery,
     language_settings::{
         self, LspInsertMode, RewrapBehavior, WordsCompletionMode, all_language_settings,
         language_settings,
@@ -371,6 +372,7 @@ pub trait DiagnosticRenderer {
         buffer_id: BufferId,
         snapshot: EditorSnapshot,
         editor: WeakEntity<Editor>,
+        language_registry: Option<Arc<LanguageRegistry>>,
         cx: &mut App,
     ) -> Vec<BlockProperties<Anchor>>;
 
@@ -379,6 +381,7 @@ pub trait DiagnosticRenderer {
         diagnostic_group: Vec<DiagnosticEntryRef<'_, Point>>,
         range: Range<Point>,
         buffer_id: BufferId,
+        language_registry: Option<Arc<LanguageRegistry>>,
         cx: &mut App,
     ) -> Option<Entity<markdown::Markdown>>;
 
@@ -1096,6 +1099,7 @@ pub struct Editor {
     searchable: bool,
     cursor_shape: CursorShape,
     current_line_highlight: Option<CurrentLineHighlight>,
+    collapse_matches: bool,
     autoindent_mode: Option<AutoindentMode>,
     workspace: Option<(WeakEntity<Workspace>, Option<WorkspaceId>)>,
     input_enabled: bool,
@@ -1297,8 +1301,9 @@ struct SelectionHistoryEntry {
     add_selections_state: Option<AddSelectionsState>,
 }
 
-#[derive(Copy, Clone, Debug, PartialEq, Eq)]
+#[derive(Copy, Clone, Default, Debug, PartialEq, Eq)]
 enum SelectionHistoryMode {
+    #[default]
     Normal,
     Undoing,
     Redoing,
@@ -1311,12 +1316,6 @@ struct HoveredCursor {
     selection_id: usize,
 }
 
-impl Default for SelectionHistoryMode {
-    fn default() -> Self {
-        Self::Normal
-    }
-}
-
 #[derive(Debug)]
 /// SelectionEffects controls the side-effects of updating the selection.
 ///
@@ -2213,7 +2212,7 @@ impl Editor {
                 .unwrap_or_default(),
             current_line_highlight: None,
             autoindent_mode: Some(AutoindentMode::EachLine),
-
+            collapse_matches: false,
             workspace: None,
             input_enabled: !is_minimap,
             use_modal_editing: full_mode,
@@ -2386,7 +2385,10 @@ impl Editor {
                     }
                 }
                 EditorEvent::Edited { .. } => {
-                    if vim_flavor(cx).is_none() {
+                    let vim_mode = vim_mode_setting::VimModeSetting::try_get(cx)
+                        .map(|vim_mode| vim_mode.0)
+                        .unwrap_or(false);
+                    if !vim_mode {
                         let display_map = editor.display_snapshot(cx);
                         let selections = editor.selections.all_adjusted_display(&display_map);
                         let pop_state = editor
@@ -2633,6 +2635,10 @@ impl Editor {
             key_context.add("end_of_input");
         }
 
+        if self.has_any_expanded_diff_hunks(cx) {
+            key_context.add("diffs_expanded");
+        }
+
         key_context
     }
 
@@ -3011,17 +3017,21 @@ impl Editor {
         self.current_line_highlight = current_line_highlight;
     }
 
-    pub fn range_for_match<T: std::marker::Copy>(
-        &self,
-        range: &Range<T>,
-        collapse: bool,
-    ) -> Range<T> {
-        if collapse {
+    pub fn set_collapse_matches(&mut self, collapse_matches: bool) {
+        self.collapse_matches = collapse_matches;
+    }
+
+    pub fn range_for_match<T: std::marker::Copy>(&self, range: &Range<T>) -> Range<T> {
+        if self.collapse_matches {
             return range.start..range.start;
         }
         range.clone()
     }
 
+    pub fn clip_at_line_ends(&mut self, cx: &mut Context<Self>) -> bool {
+        self.display_map.read(cx).clip_at_line_ends
+    }
+
     pub fn set_clip_at_line_ends(&mut self, clip: bool, cx: &mut Context<Self>) {
         if self.display_map.read(cx).clip_at_line_ends != clip {
             self.display_map
@@ -5517,7 +5527,14 @@ impl Editor {
 
         if let Some(CodeContextMenu::Completions(menu)) = self.context_menu.borrow_mut().as_mut() {
             if filter_completions {
-                menu.filter(query.clone(), provider.clone(), window, cx);
+                menu.filter(
+                    query.clone().unwrap_or_default(),
+                    buffer_position.text_anchor,
+                    &buffer,
+                    provider.clone(),
+                    window,
+                    cx,
+                );
             }
             // When `is_incomplete` is false, no need to re-query completions when the current query
             // is a suffix of the initial query.
@@ -5526,7 +5543,7 @@ impl Editor {
                 // If the new query is a suffix of the old query (typing more characters) and
                 // the previous result was complete, the existing completions can be filtered.
                 //
-                // Note that this is always true for snippet completions.
+                // Note that snippet completions are always complete.
                 let query_matches = match (&menu.initial_query, &query) {
                     (Some(initial_query), Some(query)) => query.starts_with(initial_query.as_ref()),
                     (None, _) => true,
@@ -5656,12 +5673,15 @@ impl Editor {
         };
 
         let mut words = if load_word_completions {
-            cx.background_spawn(async move {
-                buffer_snapshot.words_in_range(WordsQuery {
-                    fuzzy_contents: None,
-                    range: word_search_range,
-                    skip_digits,
-                })
+            cx.background_spawn({
+                let buffer_snapshot = buffer_snapshot.clone();
+                async move {
+                    buffer_snapshot.words_in_range(WordsQuery {
+                        fuzzy_contents: None,
+                        range: word_search_range,
+                        skip_digits,
+                    })
+                }
             })
         } else {
             Task::ready(BTreeMap::default())
@@ -5671,8 +5691,11 @@ impl Editor {
             && provider.show_snippets()
             && let Some(project) = self.project()
         {
+            let char_classifier = buffer_snapshot
+                .char_classifier_at(buffer_position)
+                .scope_context(Some(CharScopeContext::Completion));
             project.update(cx, |project, cx| {
-                snippet_completions(project, &buffer, buffer_position, cx)
+                snippet_completions(project, &buffer, buffer_position, char_classifier, cx)
             })
         } else {
             Task::ready(Ok(CompletionResponse {
@@ -5727,6 +5750,8 @@ impl Editor {
                 replace_range: word_replace_range.clone(),
                 new_text: word.clone(),
                 label: CodeLabel::plain(word, None),
+                match_start: None,
+                snippet_deduplication_key: None,
                 icon_path: None,
                 documentation: None,
                 source: CompletionSource::BufferWord {
@@ -5775,11 +5800,12 @@ impl Editor {
                     );
 
                     let query = if filter_completions { query } else { None };
-                    let matches_task = if let Some(query) = query {
-                        menu.do_async_filtering(query, cx)
-                    } else {
-                        Task::ready(menu.unfiltered_matches())
-                    };
+                    let matches_task = menu.do_async_filtering(
+                        query.unwrap_or_default(),
+                        buffer_position,
+                        &buffer,
+                        cx,
+                    );
                     (menu, matches_task)
                 }) else {
                     return;
@@ -5796,7 +5822,7 @@ impl Editor {
                         return;
                     };
 
-                    // Only valid to take prev_menu because it the new menu is immediately set
+                    // Only valid to take prev_menu because either the new menu is immediately set
                     // below, or the menu is hidden.
                     if let Some(CodeContextMenu::Completions(prev_menu)) =
                         editor.context_menu.borrow_mut().take()
@@ -7851,6 +7877,10 @@ impl Editor {
                 self.edit_prediction_preview,
                 EditPredictionPreview::Inactive { .. }
             ) {
+                if let Some(provider) = self.edit_prediction_provider.as_ref() {
+                    provider.provider.did_show(cx)
+                }
+
                 self.edit_prediction_preview = EditPredictionPreview::Active {
                     previous_scroll_position: None,
                     since: Instant::now(),
@@ -8030,6 +8060,9 @@ impl Editor {
                 && !self.edit_predictions_hidden_for_vim_mode;
 
             if show_completions_in_buffer {
+                if let Some(provider) = &self.edit_prediction_provider {
+                    provider.provider.did_show(cx);
+                }
                 if edits
                     .iter()
                     .all(|(range, _)| range.to_offset(&multibuffer).is_empty())
@@ -11044,6 +11077,10 @@ impl Editor {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
+        if self.breakpoint_store.is_none() {
+            return;
+        }
+
         for (anchor, breakpoint) in self.breakpoints_at_cursors(window, cx) {
             let breakpoint = breakpoint.unwrap_or_else(|| Breakpoint {
                 message: None,
@@ -11103,6 +11140,10 @@ impl Editor {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
+        if self.breakpoint_store.is_none() {
+            return;
+        }
+
         for (anchor, breakpoint) in self.breakpoints_at_cursors(window, cx) {
             let Some(breakpoint) = breakpoint.filter(|breakpoint| breakpoint.is_disabled()) else {
                 continue;
@@ -11122,6 +11163,10 @@ impl Editor {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
+        if self.breakpoint_store.is_none() {
+            return;
+        }
+
         for (anchor, breakpoint) in self.breakpoints_at_cursors(window, cx) {
             let Some(breakpoint) = breakpoint.filter(|breakpoint| breakpoint.is_enabled()) else {
                 continue;
@@ -11141,6 +11186,10 @@ impl Editor {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
+        if self.breakpoint_store.is_none() {
+            return;
+        }
+
         for (anchor, breakpoint) in self.breakpoints_at_cursors(window, cx) {
             if let Some(breakpoint) = breakpoint {
                 self.edit_breakpoint_at_anchor(
@@ -12548,6 +12597,7 @@ impl Editor {
         {
             let max_point = buffer.max_point();
             let mut is_first = true;
+            let mut prev_selection_was_entire_line = false;
             for selection in &mut selections {
                 let is_entire_line =
                     (selection.is_empty() && cut_no_selection_line) || self.selections.line_mode();
@@ -12562,9 +12612,10 @@ impl Editor {
                 }
                 if is_first {
                     is_first = false;
-                } else {
+                } else if !prev_selection_was_entire_line {
                     text += "\n";
                 }
+                prev_selection_was_entire_line = is_entire_line;
                 let mut len = 0;
                 for chunk in buffer.text_for_range(selection.start..selection.end) {
                     text.push_str(chunk);
@@ -12647,6 +12698,7 @@ impl Editor {
         {
             let max_point = buffer.max_point();
             let mut is_first = true;
+            let mut prev_selection_was_entire_line = false;
             for selection in &selections {
                 let mut start = selection.start;
                 let mut end = selection.end;
@@ -12705,9 +12757,10 @@ impl Editor {
                 for trimmed_range in trimmed_selections {
                     if is_first {
                         is_first = false;
-                    } else {
+                    } else if !prev_selection_was_entire_line {
                         text += "\n";
                     }
+                    prev_selection_was_entire_line = is_entire_line;
                     let mut len = 0;
                     for chunk in buffer.text_for_range(trimmed_range.start..trimmed_range.end) {
                         text.push_str(chunk);
@@ -12781,7 +12834,11 @@ impl Editor {
                             let end_offset = start_offset + clipboard_selection.len;
                             to_insert = &clipboard_text[start_offset..end_offset];
                             entire_line = clipboard_selection.is_entire_line;
-                            start_offset = end_offset + 1;
+                            start_offset = if entire_line {
+                                end_offset
+                            } else {
+                                end_offset + 1
+                            };
                             original_indent_column = Some(clipboard_selection.first_line_indent);
                         } else {
                             to_insert = &*clipboard_text;
@@ -16872,7 +16929,7 @@ impl Editor {
 
                 editor.update_in(cx, |editor, window, cx| {
                     let range = target_range.to_point(target_buffer.read(cx));
-                    let range = editor.range_for_match(&range, false);
+                    let range = editor.range_for_match(&range);
                     let range = collapse_multiline_range(range);
 
                     if !split
@@ -17915,8 +17972,18 @@ impl Editor {
             .diagnostic_group(buffer_id, diagnostic.diagnostic.group_id)
             .collect::<Vec<_>>();
 
-        let blocks =
-            renderer.render_group(diagnostic_group, buffer_id, snapshot, cx.weak_entity(), cx);
+        let language_registry = self
+            .project()
+            .map(|project| project.read(cx).languages().clone());
+
+        let blocks = renderer.render_group(
+            diagnostic_group,
+            buffer_id,
+            snapshot,
+            cx.weak_entity(),
+            language_registry,
+            cx,
+        );
 
         let blocks = self.display_map.update(cx, |display_map, cx| {
             display_map.insert_blocks(blocks, cx).into_iter().collect()
@@ -19281,6 +19348,16 @@ impl Editor {
         })
     }
 
+    fn has_any_expanded_diff_hunks(&self, cx: &App) -> bool {
+        if self.buffer.read(cx).all_diff_hunks_expanded() {
+            return true;
+        }
+        let ranges = vec![Anchor::min()..Anchor::max()];
+        self.buffer
+            .read(cx)
+            .has_expanded_diff_hunks_in_ranges(&ranges, cx)
+    }
+
     fn toggle_diff_hunks_in_ranges(
         &mut self,
         ranges: Vec<Range<Anchor>>,
@@ -21692,7 +21769,9 @@ impl Editor {
             .and_then(|e| e.to_str())
             .map(|a| a.to_string()));
 
-        let vim_mode = vim_flavor(cx).is_some();
+        let vim_mode = vim_mode_setting::VimModeSetting::try_get(cx)
+            .map(|vim_mode| vim_mode.0)
+            .unwrap_or(false);
 
         let edit_predictions_provider = all_language_settings(file, cx).edit_predictions.provider;
         let copilot_enabled = edit_predictions_provider
@@ -22327,28 +22406,6 @@ fn edit_for_markdown_paste<'a>(
     (range, new_text)
 }
 
-#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
-pub enum VimFlavor {
-    Vim,
-    Helix,
-}
-
-pub fn vim_flavor(cx: &App) -> Option<VimFlavor> {
-    if vim_mode_setting::HelixModeSetting::try_get(cx)
-        .map(|helix_mode| helix_mode.0)
-        .unwrap_or(false)
-    {
-        Some(VimFlavor::Helix)
-    } else if vim_mode_setting::VimModeSetting::try_get(cx)
-        .map(|vim_mode| vim_mode.0)
-        .unwrap_or(false)
-    {
-        Some(VimFlavor::Vim)
-    } else {
-        None // neither vim nor helix mode
-    }
-}
-
 fn process_completion_for_edit(
     completion: &Completion,
     intent: CompletionIntent,
@@ -23201,10 +23258,11 @@ impl CodeActionProvider for Entity<Project> {
 fn snippet_completions(
     project: &Project,
     buffer: &Entity<Buffer>,
-    buffer_position: text::Anchor,
+    buffer_anchor: text::Anchor,
+    classifier: CharClassifier,
     cx: &mut App,
 ) -> Task<Result<CompletionResponse>> {
-    let languages = buffer.read(cx).languages_at(buffer_position);
+    let languages = buffer.read(cx).languages_at(buffer_anchor);
     let snippet_store = project.snippets().read(cx);
 
     let scopes: Vec<_> = languages
@@ -23233,97 +23291,146 @@ fn snippet_completions(
     let executor = cx.background_executor().clone();
 
     cx.background_spawn(async move {
+        let is_word_char = |c| classifier.is_word(c);
+
         let mut is_incomplete = false;
         let mut completions: Vec<Completion> = Vec::new();
-        for (scope, snippets) in scopes.into_iter() {
-            let classifier =
-                CharClassifier::new(Some(scope)).scope_context(Some(CharScopeContext::Completion));
 
-            const MAX_WORD_PREFIX_LEN: usize = 128;
-            let last_word: String = snapshot
-                .reversed_chars_for_range(text::Anchor::MIN..buffer_position)
-                .take(MAX_WORD_PREFIX_LEN)
-                .take_while(|c| classifier.is_word(*c))
-                .collect::<String>()
-                .chars()
-                .rev()
-                .collect();
+        const MAX_PREFIX_LEN: usize = 128;
+        let buffer_offset = text::ToOffset::to_offset(&buffer_anchor, &snapshot);
+        let window_start = buffer_offset.saturating_sub(MAX_PREFIX_LEN);
+        let window_start = snapshot.clip_offset(window_start, Bias::Left);
 
-            if last_word.is_empty() {
-                return Ok(CompletionResponse {
-                    completions: vec![],
-                    display_options: CompletionDisplayOptions::default(),
-                    is_incomplete: true,
-                });
+        let max_buffer_window: String = snapshot
+            .text_for_range(window_start..buffer_offset)
+            .collect();
+
+        if max_buffer_window.is_empty() {
+            return Ok(CompletionResponse {
+                completions: vec![],
+                display_options: CompletionDisplayOptions::default(),
+                is_incomplete: true,
+            });
+        }
+
+        for (_scope, snippets) in scopes.into_iter() {
+            // Sort snippets by word count to match longer snippet prefixes first.
+            let mut sorted_snippet_candidates = snippets
+                .iter()
+                .enumerate()
+                .flat_map(|(snippet_ix, snippet)| {
+                    snippet
+                        .prefix
+                        .iter()
+                        .enumerate()
+                        .map(move |(prefix_ix, prefix)| {
+                            let word_count =
+                                snippet_candidate_suffixes(prefix, is_word_char).count();
+                            ((snippet_ix, prefix_ix), prefix, word_count)
+                        })
+                })
+                .collect_vec();
+            sorted_snippet_candidates
+                .sort_unstable_by_key(|(_, _, word_count)| Reverse(*word_count));
+
+            // Each prefix may be matched multiple times; the completion menu must filter out duplicates.
+
+            let buffer_windows = snippet_candidate_suffixes(&max_buffer_window, is_word_char)
+                .take(
+                    sorted_snippet_candidates
+                        .first()
+                        .map(|(_, _, word_count)| *word_count)
+                        .unwrap_or_default(),
+                )
+                .collect_vec();
+
+            const MAX_RESULTS: usize = 100;
+            // Each match also remembers how many characters from the buffer it consumed
+            let mut matches: Vec<(StringMatch, usize)> = vec![];
+
+            let mut snippet_list_cutoff_index = 0;
+            for (buffer_index, buffer_window) in buffer_windows.iter().enumerate().rev() {
+                let word_count = buffer_index + 1;
+                // Increase `snippet_list_cutoff_index` until we have all of the
+                // snippets with sufficiently many words.
+                while sorted_snippet_candidates
+                    .get(snippet_list_cutoff_index)
+                    .is_some_and(|(_ix, _prefix, snippet_word_count)| {
+                        *snippet_word_count >= word_count
+                    })
+                {
+                    snippet_list_cutoff_index += 1;
+                }
+
+                // Take only the candidates with at least `word_count` many words
+                let snippet_candidates_at_word_len =
+                    &sorted_snippet_candidates[..snippet_list_cutoff_index];
+
+                let candidates = snippet_candidates_at_word_len
+                    .iter()
+                    .map(|(_snippet_ix, prefix, _snippet_word_count)| prefix)
+                    .enumerate() // index in `sorted_snippet_candidates`
+                    // First char must match
+                    .filter(|(_ix, prefix)| {
+                        itertools::equal(
+                            prefix
+                                .chars()
+                                .next()
+                                .into_iter()
+                                .flat_map(|c| c.to_lowercase()),
+                            buffer_window
+                                .chars()
+                                .next()
+                                .into_iter()
+                                .flat_map(|c| c.to_lowercase()),
+                        )
+                    })
+                    .map(|(ix, prefix)| StringMatchCandidate::new(ix, prefix))
+                    .collect::<Vec<StringMatchCandidate>>();
+
+                matches.extend(
+                    fuzzy::match_strings(
+                        &candidates,
+                        &buffer_window,
+                        buffer_window.chars().any(|c| c.is_uppercase()),
+                        true,
+                        MAX_RESULTS - matches.len(), // always prioritize longer snippets
+                        &Default::default(),
+                        executor.clone(),
+                    )
+                    .await
+                    .into_iter()
+                    .map(|string_match| (string_match, buffer_window.len())),
+                );
+
+                if matches.len() >= MAX_RESULTS {
+                    break;
+                }
             }
 
-            let as_offset = text::ToOffset::to_offset(&buffer_position, &snapshot);
             let to_lsp = |point: &text::Anchor| {
                 let end = text::ToPointUtf16::to_point_utf16(point, &snapshot);
                 point_to_lsp(end)
             };
-            let lsp_end = to_lsp(&buffer_position);
-
-            let candidates = snippets
-                .iter()
-                .enumerate()
-                .flat_map(|(ix, snippet)| {
-                    snippet
-                        .prefix
-                        .iter()
-                        .map(move |prefix| StringMatchCandidate::new(ix, prefix))
-                })
-                .collect::<Vec<StringMatchCandidate>>();
-
-            const MAX_RESULTS: usize = 100;
-            let mut matches = fuzzy::match_strings(
-                &candidates,
-                &last_word,
-                last_word.chars().any(|c| c.is_uppercase()),
-                true,
-                MAX_RESULTS,
-                &Default::default(),
-                executor.clone(),
-            )
-            .await;
+            let lsp_end = to_lsp(&buffer_anchor);
 
             if matches.len() >= MAX_RESULTS {
                 is_incomplete = true;
             }
 
-            // Remove all candidates where the query's start does not match the start of any word in the candidate
-            if let Some(query_start) = last_word.chars().next() {
-                matches.retain(|string_match| {
-                    split_words(&string_match.string).any(|word| {
-                        // Check that the first codepoint of the word as lowercase matches the first
-                        // codepoint of the query as lowercase
-                        word.chars()
-                            .flat_map(|codepoint| codepoint.to_lowercase())
-                            .zip(query_start.to_lowercase())
-                            .all(|(word_cp, query_cp)| word_cp == query_cp)
-                    })
-                });
-            }
-
-            let matched_strings = matches
-                .into_iter()
-                .map(|m| m.string)
-                .collect::<HashSet<_>>();
-
-            completions.extend(snippets.iter().filter_map(|snippet| {
-                let matching_prefix = snippet
-                    .prefix
-                    .iter()
-                    .find(|prefix| matched_strings.contains(*prefix))?;
-                let start = as_offset - last_word.len();
+            completions.extend(matches.iter().map(|(string_match, buffer_window_len)| {
+                let ((snippet_index, prefix_index), matching_prefix, _snippet_word_count) =
+                    sorted_snippet_candidates[string_match.candidate_id];
+                let snippet = &snippets[snippet_index];
+                let start = buffer_offset - buffer_window_len;
                 let start = snapshot.anchor_before(start);
-                let range = start..buffer_position;
+                let range = start..buffer_anchor;
                 let lsp_start = to_lsp(&start);
                 let lsp_range = lsp::Range {
                     start: lsp_start,
                     end: lsp_end,
                 };
-                Some(Completion {
+                Completion {
                     replace_range: range,
                     new_text: snippet.body.clone(),
                     source: CompletionSource::Lsp {
@@ -23353,7 +23460,11 @@ fn snippet_completions(
                         }),
                         lsp_defaults: None,
                     },
-                    label: CodeLabel::plain(matching_prefix.clone(), None),
+                    label: CodeLabel {
+                        text: matching_prefix.clone(),
+                        runs: Vec::new(),
+                        filter_range: 0..matching_prefix.len(),
+                    },
                     icon_path: None,
                     documentation: Some(CompletionDocumentation::SingleLineAndMultiLinePlainText {
                         single_line: snippet.name.clone().into(),
@@ -23364,8 +23475,10 @@ fn snippet_completions(
                     }),
                     insert_text_mode: None,
                     confirm: None,
-                })
-            }))
+                    match_start: Some(start),
+                    snippet_deduplication_key: Some((snippet_index, prefix_index)),
+                }
+            }));
         }
 
         Ok(CompletionResponse {
@@ -24611,6 +24724,33 @@ pub(crate) fn split_words(text: &str) -> impl std::iter::Iterator<Item = &str> +
         })
 }
 
+/// Given a string of text immediately before the cursor, iterates over possible
+/// strings a snippet could match to. More precisely: returns an iterator over
+/// suffixes of `text` created by splitting at word boundaries (before & after
+/// every non-word character).
+///
+/// Shorter suffixes are returned first.
+pub(crate) fn snippet_candidate_suffixes(
+    text: &str,
+    is_word_char: impl Fn(char) -> bool,
+) -> impl std::iter::Iterator<Item = &str> {
+    let mut prev_index = text.len();
+    let mut prev_codepoint = None;
+    text.char_indices()
+        .rev()
+        .chain([(0, '\0')])
+        .filter_map(move |(index, codepoint)| {
+            let prev_index = std::mem::replace(&mut prev_index, index);
+            let prev_codepoint = prev_codepoint.replace(codepoint)?;
+            if is_word_char(prev_codepoint) && is_word_char(codepoint) {
+                None
+            } else {
+                let chunk = &text[prev_index..]; // go to end of string
+                Some(chunk)
+            }
+        })
+}
+
 pub trait RangeToAnchorExt: Sized {
     fn to_anchors(self, snapshot: &MultiBufferSnapshot) -> Range<Anchor>;
 

crates/editor/src/editor_tests.rs

@@ -32,6 +32,7 @@ use language::{
     tree_sitter_python,
 };
 use language_settings::Formatter;
+use languages::markdown_lang;
 use languages::rust_lang;
 use lsp::CompletionParams;
 use multi_buffer::{IndentGuide, PathKey};
@@ -11414,6 +11415,53 @@ async fn test_snippet_indentation(cx: &mut TestAppContext) {
         ˇ"});
 }
 
+#[gpui::test]
+async fn test_snippet_with_multi_word_prefix(cx: &mut TestAppContext) {
+    init_test(cx, |_| {});
+
+    let mut cx = EditorTestContext::new(cx).await;
+    cx.update_editor(|editor, _, cx| {
+        editor.project().unwrap().update(cx, |project, cx| {
+            project.snippets().update(cx, |snippets, _cx| {
+                let snippet = project::snippet_provider::Snippet {
+                    prefix: vec!["multi word".to_string()],
+                    body: "this is many words".to_string(),
+                    description: Some("description".to_string()),
+                    name: "multi-word snippet test".to_string(),
+                };
+                snippets.add_snippet_for_test(
+                    None,
+                    PathBuf::from("test_snippets.json"),
+                    vec![Arc::new(snippet)],
+                );
+            });
+        })
+    });
+
+    for (input_to_simulate, should_match_snippet) in [
+        ("m", true),
+        ("m ", true),
+        ("m w", true),
+        ("aa m w", true),
+        ("aa m g", false),
+    ] {
+        cx.set_state("ˇ");
+        cx.simulate_input(input_to_simulate); // fails correctly
+
+        cx.update_editor(|editor, _, _| {
+            let Some(CodeContextMenu::Completions(context_menu)) = &*editor.context_menu.borrow()
+            else {
+                assert!(!should_match_snippet); // no completions! don't even show the menu
+                return;
+            };
+            assert!(context_menu.visible());
+            let completions = context_menu.completions.borrow();
+
+            assert_eq!(!completions.is_empty(), should_match_snippet);
+        });
+    }
+}
+
 #[gpui::test]
 async fn test_document_format_during_save(cx: &mut TestAppContext) {
     init_test(cx, |_| {});
@@ -17369,6 +17417,41 @@ fn test_split_words() {
     assert_eq!(split(":do_the_thing"), &[":", "do_", "the_", "thing"]);
 }
 
+#[test]
+fn test_split_words_for_snippet_prefix() {
+    fn split(text: &str) -> Vec<&str> {
+        snippet_candidate_suffixes(text, |c| c.is_alphanumeric() || c == '_').collect()
+    }
+
+    assert_eq!(split("HelloWorld"), &["HelloWorld"]);
+    assert_eq!(split("hello_world"), &["hello_world"]);
+    assert_eq!(split("_hello_world_"), &["_hello_world_"]);
+    assert_eq!(split("Hello_World"), &["Hello_World"]);
+    assert_eq!(split("helloWOrld"), &["helloWOrld"]);
+    assert_eq!(split("helloworld"), &["helloworld"]);
+    assert_eq!(
+        split("this@is!@#$^many   . symbols"),
+        &[
+            "symbols",
+            " symbols",
+            ". symbols",
+            " . symbols",
+            "  . symbols",
+            "   . symbols",
+            "many   . symbols",
+            "^many   . symbols",
+            "$^many   . symbols",
+            "#$^many   . symbols",
+            "@#$^many   . symbols",
+            "!@#$^many   . symbols",
+            "is!@#$^many   . symbols",
+            "@is!@#$^many   . symbols",
+            "this@is!@#$^many   . symbols",
+        ],
+    );
+    assert_eq!(split("a.s"), &["s", ".s", "a.s"]);
+}
+
 #[gpui::test]
 async fn test_move_to_enclosing_bracket(cx: &mut TestAppContext) {
     init_test(cx, |_| {});
@@ -17421,6 +17504,89 @@ async fn test_move_to_enclosing_bracket(cx: &mut TestAppContext) {
     );
 }
 
+#[gpui::test]
+async fn test_move_to_enclosing_bracket_in_markdown_code_block(cx: &mut TestAppContext) {
+    init_test(cx, |_| {});
+    let language_registry = Arc::new(language::LanguageRegistry::test(cx.executor()));
+    language_registry.add(markdown_lang());
+    language_registry.add(rust_lang());
+    let buffer = cx.new(|cx| {
+        let mut buffer = language::Buffer::local(
+            indoc! {"
+            ```rs
+            impl Worktree {
+                pub async fn open_buffers(&self, path: &Path) -> impl Iterator<&Buffer> {
+                }
+            }
+            ```
+        "},
+            cx,
+        );
+        buffer.set_language_registry(language_registry.clone());
+        buffer.set_language(Some(markdown_lang()), cx);
+        buffer
+    });
+    let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
+    let editor = cx.add_window(|window, cx| build_editor(buffer.clone(), window, cx));
+    cx.executor().run_until_parked();
+    _ = editor.update(cx, |editor, window, cx| {
+        // Case 1: Test outer enclosing brackets
+        select_ranges(
+            editor,
+            &indoc! {"
+                ```rs
+                impl Worktree {
+                    pub async fn open_buffers(&self, path: &Path) -> impl Iterator<&Buffer> {
+                    }
+                }ˇ
+                ```
+            "},
+            window,
+            cx,
+        );
+        editor.move_to_enclosing_bracket(&MoveToEnclosingBracket, window, cx);
+        assert_text_with_selections(
+            editor,
+            &indoc! {"
+                ```rs
+                impl Worktree ˇ{
+                    pub async fn open_buffers(&self, path: &Path) -> impl Iterator<&Buffer> {
+                    }
+                }
+                ```
+            "},
+            cx,
+        );
+        // Case 2: Test inner enclosing brackets
+        select_ranges(
+            editor,
+            &indoc! {"
+                ```rs
+                impl Worktree {
+                    pub async fn open_buffers(&self, path: &Path) -> impl Iterator<&Buffer> {
+                    }ˇ
+                }
+                ```
+            "},
+            window,
+            cx,
+        );
+        editor.move_to_enclosing_bracket(&MoveToEnclosingBracket, window, cx);
+        assert_text_with_selections(
+            editor,
+            &indoc! {"
+                ```rs
+                impl Worktree {
+                    pub async fn open_buffers(&self, path: &Path) -> impl Iterator<&Buffer> ˇ{
+                    }
+                }
+                ```
+            "},
+            cx,
+        );
+    });
+}
+
 #[gpui::test]
 async fn test_on_type_formatting_not_triggered(cx: &mut TestAppContext) {
     init_test(cx, |_| {});
@@ -25620,6 +25786,195 @@ pub fn check_displayed_completions(expected: Vec<&'static str>, cx: &mut EditorL
     });
 }
 
+#[gpui::test]
+async fn test_mixed_completions_with_multi_word_snippet(cx: &mut TestAppContext) {
+    init_test(cx, |_| {});
+    let mut cx = EditorLspTestContext::new_rust(
+        lsp::ServerCapabilities {
+            completion_provider: Some(lsp::CompletionOptions {
+                ..Default::default()
+            }),
+            ..Default::default()
+        },
+        cx,
+    )
+    .await;
+    cx.lsp
+        .set_request_handler::<lsp::request::Completion, _, _>(move |_, _| async move {
+            Ok(Some(lsp::CompletionResponse::Array(vec![
+                lsp::CompletionItem {
+                    label: "unsafe".into(),
+                    text_edit: Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
+                        range: lsp::Range {
+                            start: lsp::Position {
+                                line: 0,
+                                character: 9,
+                            },
+                            end: lsp::Position {
+                                line: 0,
+                                character: 11,
+                            },
+                        },
+                        new_text: "unsafe".to_string(),
+                    })),
+                    insert_text_mode: Some(lsp::InsertTextMode::AS_IS),
+                    ..Default::default()
+                },
+            ])))
+        });
+
+    cx.update_editor(|editor, _, cx| {
+        editor.project().unwrap().update(cx, |project, cx| {
+            project.snippets().update(cx, |snippets, _cx| {
+                snippets.add_snippet_for_test(
+                    None,
+                    PathBuf::from("test_snippets.json"),
+                    vec![
+                        Arc::new(project::snippet_provider::Snippet {
+                            prefix: vec![
+                                "unlimited word count".to_string(),
+                                "unlimit word count".to_string(),
+                                "unlimited unknown".to_string(),
+                            ],
+                            body: "this is many words".to_string(),
+                            description: Some("description".to_string()),
+                            name: "multi-word snippet test".to_string(),
+                        }),
+                        Arc::new(project::snippet_provider::Snippet {
+                            prefix: vec!["unsnip".to_string(), "@few".to_string()],
+                            body: "fewer words".to_string(),
+                            description: Some("alt description".to_string()),
+                            name: "other name".to_string(),
+                        }),
+                        Arc::new(project::snippet_provider::Snippet {
+                            prefix: vec!["ab aa".to_string()],
+                            body: "abcd".to_string(),
+                            description: None,
+                            name: "alphabet".to_string(),
+                        }),
+                    ],
+                );
+            });
+        })
+    });
+
+    let get_completions = |cx: &mut EditorLspTestContext| {
+        cx.update_editor(|editor, _, _| match &*editor.context_menu.borrow() {
+            Some(CodeContextMenu::Completions(context_menu)) => {
+                let entries = context_menu.entries.borrow();
+                entries
+                    .iter()
+                    .map(|entry| entry.string.clone())
+                    .collect_vec()
+            }
+            _ => vec![],
+        })
+    };
+
+    // snippets:
+    //  @foo
+    //  foo bar
+    //
+    // when typing:
+    //
+    // when typing:
+    //  - if I type a symbol "open the completions with snippets only"
+    //  - if I type a word character "open the completions menu" (if it had been open snippets only, clear it out)
+    //
+    // stuff we need:
+    //  - filtering logic change?
+    //  - remember how far back the completion started.
+
+    let test_cases: &[(&str, &[&str])] = &[
+        (
+            "un",
+            &[
+                "unsafe",
+                "unlimit word count",
+                "unlimited unknown",
+                "unlimited word count",
+                "unsnip",
+            ],
+        ),
+        (
+            "u ",
+            &[
+                "unlimit word count",
+                "unlimited unknown",
+                "unlimited word count",
+            ],
+        ),
+        ("u a", &["ab aa", "unsafe"]), // unsAfe
+        (
+            "u u",
+            &[
+                "unsafe",
+                "unlimit word count",
+                "unlimited unknown", // ranked highest among snippets
+                "unlimited word count",
+                "unsnip",
+            ],
+        ),
+        ("uw c", &["unlimit word count", "unlimited word count"]),
+        (
+            "u w",
+            &[
+                "unlimit word count",
+                "unlimited word count",
+                "unlimited unknown",
+            ],
+        ),
+        ("u w ", &["unlimit word count", "unlimited word count"]),
+        (
+            "u ",
+            &[
+                "unlimit word count",
+                "unlimited unknown",
+                "unlimited word count",
+            ],
+        ),
+        ("wor", &[]),
+        ("uf", &["unsafe"]),
+        ("af", &["unsafe"]),
+        ("afu", &[]),
+        (
+            "ue",
+            &["unsafe", "unlimited unknown", "unlimited word count"],
+        ),
+        ("@", &["@few"]),
+        ("@few", &["@few"]),
+        ("@ ", &[]),
+        ("a@", &["@few"]),
+        ("a@f", &["@few", "unsafe"]),
+        ("a@fw", &["@few"]),
+        ("a", &["ab aa", "unsafe"]),
+        ("aa", &["ab aa"]),
+        ("aaa", &["ab aa"]),
+        ("ab", &["ab aa"]),
+        ("ab ", &["ab aa"]),
+        ("ab a", &["ab aa", "unsafe"]),
+        ("ab ab", &["ab aa"]),
+        ("ab ab aa", &["ab aa"]),
+    ];
+
+    for &(input_to_simulate, expected_completions) in test_cases {
+        cx.set_state("fn a() { ˇ }\n");
+        for c in input_to_simulate.split("") {
+            cx.simulate_input(c);
+            cx.run_until_parked();
+        }
+        let expected_completions = expected_completions
+            .iter()
+            .map(|s| s.to_string())
+            .collect_vec();
+        assert_eq!(
+            get_completions(&mut cx),
+            expected_completions,
+            "< actual / expected >, input = {input_to_simulate:?}",
+        );
+    }
+}
+
 /// Handle completion request passing a marked string specifying where the completion
 /// should be triggered from using '|' character, what range should be replaced, and what completions
 /// should be returned using '<' and '>' to delimit the range.
@@ -27104,6 +27459,60 @@ async fn test_copy_line_without_trailing_newline(cx: &mut TestAppContext) {
     cx.assert_editor_state("line1\nline2\nˇ");
 }
 
+#[gpui::test]
+async fn test_multi_selection_copy_with_newline_between_copied_lines(cx: &mut TestAppContext) {
+    init_test(cx, |_| {});
+
+    let mut cx = EditorTestContext::new(cx).await;
+
+    cx.set_state("ˇline1\nˇline2\nˇline3\n");
+
+    cx.update_editor(|e, window, cx| e.copy(&Copy, window, cx));
+
+    let clipboard_text = cx
+        .read_from_clipboard()
+        .and_then(|item| item.text().as_deref().map(str::to_string));
+
+    assert_eq!(
+        clipboard_text,
+        Some("line1\nline2\nline3\n".to_string()),
+        "Copying multiple lines should include a single newline between lines"
+    );
+
+    cx.set_state("lineA\nˇ");
+
+    cx.update_editor(|e, window, cx| e.paste(&Paste, window, cx));
+
+    cx.assert_editor_state("lineA\nline1\nline2\nline3\nˇ");
+}
+
+#[gpui::test]
+async fn test_multi_selection_cut_with_newline_between_copied_lines(cx: &mut TestAppContext) {
+    init_test(cx, |_| {});
+
+    let mut cx = EditorTestContext::new(cx).await;
+
+    cx.set_state("ˇline1\nˇline2\nˇline3\n");
+
+    cx.update_editor(|e, window, cx| e.cut(&Cut, window, cx));
+
+    let clipboard_text = cx
+        .read_from_clipboard()
+        .and_then(|item| item.text().as_deref().map(str::to_string));
+
+    assert_eq!(
+        clipboard_text,
+        Some("line1\nline2\nline3\n".to_string()),
+        "Copying multiple lines should include a single newline between lines"
+    );
+
+    cx.set_state("lineA\nˇ");
+
+    cx.update_editor(|e, window, cx| e.paste(&Paste, window, cx));
+
+    cx.assert_editor_state("lineA\nline1\nline2\nline3\nˇ");
+}
+
 #[gpui::test]
 async fn test_end_of_editor_context(cx: &mut TestAppContext) {
     init_test(cx, |_| {});

crates/editor/src/element.rs

@@ -6,10 +6,10 @@ use crate::{
     EditDisplayMode, EditPrediction, Editor, EditorMode, EditorSettings, EditorSnapshot,
     EditorStyle, FILE_HEADER_HEIGHT, FocusedBlock, GutterDimensions, HalfPageDown, HalfPageUp,
     HandleInput, HoveredCursor, InlayHintRefreshReason, JumpData, LineDown, LineHighlight, LineUp,
-    MAX_LINE_LEN, MINIMAP_FONT_SIZE, MULTI_BUFFER_EXCERPT_HEADER_HEIGHT, OpenExcerpts,
-    OpenExcerptsSplit, PageDown, PageUp, PhantomBreakpointIndicator, Point, RowExt, RowRangeExt,
-    SelectPhase, SelectedTextHighlight, Selection, SelectionDragState, SelectionEffects,
-    SizingBehavior, SoftWrap, StickyHeaderExcerpt, ToPoint, ToggleFold, ToggleFoldAll,
+    MAX_LINE_LEN, MINIMAP_FONT_SIZE, MULTI_BUFFER_EXCERPT_HEADER_HEIGHT, OpenExcerpts, PageDown,
+    PageUp, PhantomBreakpointIndicator, Point, RowExt, RowRangeExt, SelectPhase,
+    SelectedTextHighlight, Selection, SelectionDragState, SelectionEffects, SizingBehavior,
+    SoftWrap, StickyHeaderExcerpt, ToPoint, ToggleFold, ToggleFoldAll,
     code_context_menus::{CodeActionsMenu, MENU_ASIDE_MAX_WIDTH, MENU_ASIDE_MIN_WIDTH, MENU_GAP},
     display_map::{
         Block, BlockContext, BlockStyle, ChunkRendererId, DisplaySnapshot, EditorMargins,
@@ -3664,6 +3664,7 @@ impl EditorElement {
         row_block_types: &mut HashMap<DisplayRow, bool>,
         selections: &[Selection<Point>],
         selected_buffer_ids: &Vec<BufferId>,
+        latest_selection_anchors: &HashMap<BufferId, Anchor>,
         is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
         sticky_header_excerpt_id: Option<ExcerptId>,
         window: &mut Window,
@@ -3739,7 +3740,13 @@ impl EditorElement {
                 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
                 let result = v_flex().id(block_id).w_full().pr(editor_margins.right);
 
-                let jump_data = header_jump_data(snapshot, block_row_start, *height, first_excerpt);
+                let jump_data = header_jump_data(
+                    snapshot,
+                    block_row_start,
+                    *height,
+                    first_excerpt,
+                    latest_selection_anchors,
+                );
                 result
                     .child(self.render_buffer_header(
                         first_excerpt,
@@ -3774,7 +3781,13 @@ impl EditorElement {
             Block::BufferHeader { excerpt, height } => {
                 let mut result = v_flex().id(block_id).w_full();
 
-                let jump_data = header_jump_data(snapshot, block_row_start, *height, excerpt);
+                let jump_data = header_jump_data(
+                    snapshot,
+                    block_row_start,
+                    *height,
+                    excerpt,
+                    latest_selection_anchors,
+                );
 
                 if sticky_header_excerpt_id != Some(excerpt.id) {
                     let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
@@ -4042,24 +4055,17 @@ impl EditorElement {
                                                     )
                                                     .group_hover("", |div| div.underline()),
                                             )
-                                            .on_click({
-                                                let focus_handle = focus_handle.clone();
-                                                move |event, window, cx| {
-                                                    if event.modifiers().secondary() {
-                                                        focus_handle.dispatch_action(
-                                                            &OpenExcerptsSplit,
-                                                            window,
-                                                            cx,
-                                                        );
-                                                    } else {
-                                                        focus_handle.dispatch_action(
-                                                            &OpenExcerpts,
-                                                            window,
-                                                            cx,
-                                                        );
-                                                    }
+                                            .on_click(window.listener_for(&self.editor, {
+                                                let jump_data = jump_data.clone();
+                                                move |editor, e: &ClickEvent, window, cx| {
+                                                    editor.open_excerpts_common(
+                                                        Some(jump_data.clone()),
+                                                        e.modifiers().secondary(),
+                                                        window,
+                                                        cx,
+                                                    );
                                                 }
-                                            }),
+                                            })),
                                     )
                                     .when_some(parent_path, |then, path| {
                                         then.child(div().child(path).text_color(
@@ -4087,24 +4093,17 @@ impl EditorElement {
                                                         cx,
                                                     )),
                                             )
-                                            .on_click({
-                                                let focus_handle = focus_handle.clone();
-                                                move |event, window, cx| {
-                                                    if event.modifiers().secondary() {
-                                                        focus_handle.dispatch_action(
-                                                            &OpenExcerptsSplit,
-                                                            window,
-                                                            cx,
-                                                        );
-                                                    } else {
-                                                        focus_handle.dispatch_action(
-                                                            &OpenExcerpts,
-                                                            window,
-                                                            cx,
-                                                        );
-                                                    }
+                                            .on_click(window.listener_for(&self.editor, {
+                                                let jump_data = jump_data.clone();
+                                                move |editor, e: &ClickEvent, window, cx| {
+                                                    editor.open_excerpts_common(
+                                                        Some(jump_data.clone()),
+                                                        e.modifiers().secondary(),
+                                                        window,
+                                                        cx,
+                                                    );
                                                 }
-                                            }),
+                                            })),
                                     )
                                 },
                             )
@@ -4250,6 +4249,7 @@ impl EditorElement {
         line_layouts: &mut [LineWithInvisibles],
         selections: &[Selection<Point>],
         selected_buffer_ids: &Vec<BufferId>,
+        latest_selection_anchors: &HashMap<BufferId, Anchor>,
         is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
         sticky_header_excerpt_id: Option<ExcerptId>,
         window: &mut Window,
@@ -4293,6 +4293,7 @@ impl EditorElement {
                 &mut row_block_types,
                 selections,
                 selected_buffer_ids,
+                latest_selection_anchors,
                 is_row_soft_wrapped,
                 sticky_header_excerpt_id,
                 window,
@@ -4350,6 +4351,7 @@ impl EditorElement {
                 &mut row_block_types,
                 selections,
                 selected_buffer_ids,
+                latest_selection_anchors,
                 is_row_soft_wrapped,
                 sticky_header_excerpt_id,
                 window,
@@ -4405,6 +4407,7 @@ impl EditorElement {
                 &mut row_block_types,
                 selections,
                 selected_buffer_ids,
+                latest_selection_anchors,
                 is_row_soft_wrapped,
                 sticky_header_excerpt_id,
                 window,
@@ -4487,6 +4490,7 @@ impl EditorElement {
         hitbox: &Hitbox,
         selected_buffer_ids: &Vec<BufferId>,
         blocks: &[BlockLayout],
+        latest_selection_anchors: &HashMap<BufferId, Anchor>,
         window: &mut Window,
         cx: &mut App,
     ) -> AnyElement {
@@ -4495,6 +4499,7 @@ impl EditorElement {
             DisplayRow(scroll_position.y as u32),
             FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
             excerpt,
+            latest_selection_anchors,
         );
 
         let editor_bg_color = cx.theme().colors().editor_background;
@@ -7794,18 +7799,52 @@ fn file_status_label_color(file_status: Option<FileStatus>) -> Color {
 }
 
 fn header_jump_data(
+    editor_snapshot: &EditorSnapshot,
+    block_row_start: DisplayRow,
+    height: u32,
+    first_excerpt: &ExcerptInfo,
+    latest_selection_anchors: &HashMap<BufferId, Anchor>,
+) -> JumpData {
+    let jump_target = if let Some(anchor) = latest_selection_anchors.get(&first_excerpt.buffer_id)
+        && let Some(range) = editor_snapshot.context_range_for_excerpt(anchor.excerpt_id)
+        && let Some(buffer) = editor_snapshot
+            .buffer_snapshot()
+            .buffer_for_excerpt(anchor.excerpt_id)
+    {
+        JumpTargetInExcerptInput {
+            id: anchor.excerpt_id,
+            buffer,
+            excerpt_start_anchor: range.start,
+            jump_anchor: anchor.text_anchor,
+        }
+    } else {
+        JumpTargetInExcerptInput {
+            id: first_excerpt.id,
+            buffer: &first_excerpt.buffer,
+            excerpt_start_anchor: first_excerpt.range.context.start,
+            jump_anchor: first_excerpt.range.primary.start,
+        }
+    };
+    header_jump_data_inner(editor_snapshot, block_row_start, height, &jump_target)
+}
+
+struct JumpTargetInExcerptInput<'a> {
+    id: ExcerptId,
+    buffer: &'a language::BufferSnapshot,
+    excerpt_start_anchor: text::Anchor,
+    jump_anchor: text::Anchor,
+}
+
+fn header_jump_data_inner(
     snapshot: &EditorSnapshot,
     block_row_start: DisplayRow,
     height: u32,
-    for_excerpt: &ExcerptInfo,
+    for_excerpt: &JumpTargetInExcerptInput,
 ) -> JumpData {
-    let range = &for_excerpt.range;
     let buffer = &for_excerpt.buffer;
-    let jump_anchor = range.primary.start;
-
-    let excerpt_start = range.context.start;
-    let jump_position = language::ToPoint::to_point(&jump_anchor, buffer);
-    let rows_from_excerpt_start = if jump_anchor == excerpt_start {
+    let jump_position = language::ToPoint::to_point(&for_excerpt.jump_anchor, buffer);
+    let excerpt_start = for_excerpt.excerpt_start_anchor;
+    let rows_from_excerpt_start = if for_excerpt.jump_anchor == excerpt_start {
         0
     } else {
         let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
@@ -7822,7 +7861,7 @@ fn header_jump_data(
 
     JumpData::MultiBufferPoint {
         excerpt_id: for_excerpt.id,
-        anchor: jump_anchor,
+        anchor: for_excerpt.jump_anchor,
         position: jump_position,
         line_offset_from_top,
     }
@@ -8620,7 +8659,7 @@ impl LineWithInvisibles {
                     let fragment_end_x = fragment_start_x + shaped_line.width;
                     if x < fragment_end_x {
                         return Some(
-                            fragment_start_index + shaped_line.index_for_x(x - fragment_start_x),
+                            fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
                         );
                     }
                     fragment_start_x = fragment_end_x;
@@ -9139,15 +9178,18 @@ impl Element for EditorElement {
                         cx,
                     );
 
-                    let (local_selections, selected_buffer_ids): (
+                    let (local_selections, selected_buffer_ids, latest_selection_anchors): (
                         Vec<Selection<Point>>,
                         Vec<BufferId>,
+                        HashMap<BufferId, Anchor>,
                     ) = self
                         .editor_with_selections(cx)
                         .map(|editor| {
                             editor.update(cx, |editor, cx| {
                                 let all_selections =
                                     editor.selections.all::<Point>(&snapshot.display_snapshot);
+                                let all_anchor_selections =
+                                    editor.selections.all_anchors(&snapshot.display_snapshot);
                                 let selected_buffer_ids =
                                     if editor.buffer_kind(cx) == ItemBufferKind::Singleton {
                                         Vec::new()
@@ -9176,10 +9218,31 @@ impl Element for EditorElement {
                                 selections
                                     .extend(editor.selections.pending(&snapshot.display_snapshot));
 
-                                (selections, selected_buffer_ids)
+                                let mut anchors_by_buffer: HashMap<BufferId, (usize, Anchor)> =
+                                    HashMap::default();
+                                for selection in all_anchor_selections.iter() {
+                                    let head = selection.head();
+                                    if let Some(buffer_id) = head.buffer_id {
+                                        anchors_by_buffer
+                                            .entry(buffer_id)
+                                            .and_modify(|(latest_id, latest_anchor)| {
+                                                if selection.id > *latest_id {
+                                                    *latest_id = selection.id;
+                                                    *latest_anchor = head;
+                                                }
+                                            })
+                                            .or_insert((selection.id, head));
+                                    }
+                                }
+                                let latest_selection_anchors = anchors_by_buffer
+                                    .into_iter()
+                                    .map(|(buffer_id, (_, anchor))| (buffer_id, anchor))
+                                    .collect();
+
+                                (selections, selected_buffer_ids, latest_selection_anchors)
                             })
                         })
-                        .unwrap_or_default();
+                        .unwrap_or_else(|| (Vec::new(), Vec::new(), HashMap::default()));
 
                     let (selections, mut active_rows, newest_selection_head) = self
                         .layout_selections(
@@ -9410,6 +9473,7 @@ impl Element for EditorElement {
                                     &mut line_layouts,
                                     &local_selections,
                                     &selected_buffer_ids,
+                                    &latest_selection_anchors,
                                     is_row_soft_wrapped,
                                     sticky_header_excerpt_id,
                                     window,
@@ -9443,6 +9507,7 @@ impl Element for EditorElement {
                                 &hitbox,
                                 &selected_buffer_ids,
                                 &blocks,
+                                &latest_selection_anchors,
                                 window,
                                 cx,
                             )

crates/editor/src/hover_popover.rs

@@ -341,7 +341,13 @@ fn show_hover(
                     renderer
                         .as_ref()
                         .and_then(|renderer| {
-                            renderer.render_hover(group, point_range, buffer_id, cx)
+                            renderer.render_hover(
+                                group,
+                                point_range,
+                                buffer_id,
+                                language_registry.clone(),
+                                cx,
+                            )
                         })
                         .context("no rendered diagnostic")
                 })??;
@@ -986,6 +992,11 @@ impl DiagnosticPopover {
                                     self.markdown.clone(),
                                     diagnostics_markdown_style(window, cx),
                                 )
+                                .code_block_renderer(markdown::CodeBlockRenderer::Default {
+                                    copy_button: false,
+                                    copy_button_on_hover: false,
+                                    border: false,
+                                })
                                 .on_url_click(
                                     move |link, window, cx| {
                                         if let Some(renderer) = GlobalDiagnosticRenderer::global(cx)

crates/editor/src/inlays/inlay_hints.rs

@@ -1,4 +1,5 @@
 use std::{
+    collections::hash_map,
     ops::{ControlFlow, Range},
     time::Duration,
 };
@@ -778,6 +779,7 @@ impl Editor {
         }
 
         let excerpts = self.buffer.read(cx).excerpt_ids();
+        let mut inserted_hint_text = HashMap::default();
         let hints_to_insert = new_hints
             .into_iter()
             .filter_map(|(chunk_range, hints_result)| {
@@ -804,8 +806,35 @@ impl Editor {
                     }
                 }
             })
-            .flat_map(|hints| hints.into_values())
-            .flatten()
+            .flat_map(|new_hints| {
+                let mut hints_deduplicated = Vec::new();
+
+                if new_hints.len() > 1 {
+                    for (server_id, new_hints) in new_hints {
+                        for (new_id, new_hint) in new_hints {
+                            let hints_text_for_position = inserted_hint_text
+                                .entry(new_hint.position)
+                                .or_insert_with(HashMap::default);
+                            let insert =
+                                match hints_text_for_position.entry(new_hint.text().to_string()) {
+                                    hash_map::Entry::Occupied(o) => o.get() == &server_id,
+                                    hash_map::Entry::Vacant(v) => {
+                                        v.insert(server_id);
+                                        true
+                                    }
+                                };
+
+                            if insert {
+                                hints_deduplicated.push((new_id, new_hint));
+                            }
+                        }
+                    }
+                } else {
+                    hints_deduplicated.extend(new_hints.into_values().flatten());
+                }
+
+                hints_deduplicated
+            })
             .filter_map(|(hint_id, lsp_hint)| {
                 if inlay_hints.allowed_hint_kinds.contains(&lsp_hint.kind)
                     && inlay_hints
@@ -3732,6 +3761,7 @@ let c = 3;"#
         let mut fake_servers = language_registry.register_fake_lsp(
             "Rust",
             FakeLspAdapter {
+                name: "rust-analyzer",
                 capabilities: lsp::ServerCapabilities {
                     inlay_hint_provider: Some(lsp::OneOf::Left(true)),
                     ..lsp::ServerCapabilities::default()
@@ -3804,6 +3834,78 @@ let c = 3;"#
             },
         );
 
+        // Add another server that does send the same, duplicate hints back
+        let mut fake_servers_2 = language_registry.register_fake_lsp(
+            "Rust",
+            FakeLspAdapter {
+                name: "CrabLang-ls",
+                capabilities: lsp::ServerCapabilities {
+                    inlay_hint_provider: Some(lsp::OneOf::Left(true)),
+                    ..lsp::ServerCapabilities::default()
+                },
+                initializer: Some(Box::new(move |fake_server| {
+                    fake_server.set_request_handler::<lsp::request::InlayHintRequest, _, _>(
+                        move |params, _| async move {
+                            if params.text_document.uri
+                                == lsp::Uri::from_file_path(path!("/a/main.rs")).unwrap()
+                            {
+                                Ok(Some(vec![
+                                    lsp::InlayHint {
+                                        position: lsp::Position::new(1, 9),
+                                        label: lsp::InlayHintLabel::String(": i32".to_owned()),
+                                        kind: Some(lsp::InlayHintKind::TYPE),
+                                        text_edits: None,
+                                        tooltip: None,
+                                        padding_left: None,
+                                        padding_right: None,
+                                        data: None,
+                                    },
+                                    lsp::InlayHint {
+                                        position: lsp::Position::new(19, 9),
+                                        label: lsp::InlayHintLabel::String(": i33".to_owned()),
+                                        kind: Some(lsp::InlayHintKind::TYPE),
+                                        text_edits: None,
+                                        tooltip: None,
+                                        padding_left: None,
+                                        padding_right: None,
+                                        data: None,
+                                    },
+                                ]))
+                            } else if params.text_document.uri
+                                == lsp::Uri::from_file_path(path!("/a/lib.rs")).unwrap()
+                            {
+                                Ok(Some(vec![
+                                    lsp::InlayHint {
+                                        position: lsp::Position::new(1, 10),
+                                        label: lsp::InlayHintLabel::String(": i34".to_owned()),
+                                        kind: Some(lsp::InlayHintKind::TYPE),
+                                        text_edits: None,
+                                        tooltip: None,
+                                        padding_left: None,
+                                        padding_right: None,
+                                        data: None,
+                                    },
+                                    lsp::InlayHint {
+                                        position: lsp::Position::new(29, 10),
+                                        label: lsp::InlayHintLabel::String(": i35".to_owned()),
+                                        kind: Some(lsp::InlayHintKind::TYPE),
+                                        text_edits: None,
+                                        tooltip: None,
+                                        padding_left: None,
+                                        padding_right: None,
+                                        data: None,
+                                    },
+                                ]))
+                            } else {
+                                panic!("Unexpected file path {:?}", params.text_document.uri);
+                            }
+                        },
+                    );
+                })),
+                ..FakeLspAdapter::default()
+            },
+        );
+
         let (buffer_1, _handle_1) = project
             .update(cx, |project, cx| {
                 project.open_local_buffer_with_lsp(path!("/a/main.rs"), cx)
@@ -3847,6 +3949,7 @@ let c = 3;"#
         });
 
         let fake_server = fake_servers.next().await.unwrap();
+        let _fake_server_2 = fake_servers_2.next().await.unwrap();
         cx.executor().advance_clock(Duration::from_millis(100));
         cx.executor().run_until_parked();
 
@@ -3855,11 +3958,16 @@ let c = 3;"#
                 assert_eq!(
                     vec![
                         ": i32".to_string(),
+                        ": i32".to_string(),
+                        ": i33".to_string(),
                         ": i33".to_string(),
                         ": i34".to_string(),
+                        ": i34".to_string(),
+                        ": i35".to_string(),
                         ": i35".to_string(),
                     ],
                     sorted_cached_hint_labels(editor, cx),
+                    "We receive duplicate hints from 2 servers and cache them all"
                 );
                 assert_eq!(
                     vec![
@@ -3869,7 +3977,7 @@ let c = 3;"#
                         ": i33".to_string(),
                     ],
                     visible_hint_labels(editor, cx),
-                    "lib.rs is added before main.rs , so its excerpts should be visible first"
+                    "lib.rs is added before main.rs , so its excerpts should be visible first; hints should be deduplicated per label"
                 );
             })
             .unwrap();
@@ -3919,8 +4027,12 @@ let c = 3;"#
                 assert_eq!(
                     vec![
                         ": i32".to_string(),
+                        ": i32".to_string(),
+                        ": i33".to_string(),
                         ": i33".to_string(),
                         ": i34".to_string(),
+                        ": i34".to_string(),
+                        ": i35".to_string(),
                         ": i35".to_string(),
                     ],
                     sorted_cached_hint_labels(editor, cx),

crates/editor/src/items.rs

@@ -1586,12 +1586,11 @@ impl SearchableItem for Editor {
         &mut self,
         index: usize,
         matches: &[Range<Anchor>],
-        collapse: bool,
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
         self.unfold_ranges(&[matches[index].clone()], false, true, cx);
-        let range = self.range_for_match(&matches[index], collapse);
+        let range = self.range_for_match(&matches[index]);
         let autoscroll = if EditorSettings::get_global(cx).search.center_on_match {
             Autoscroll::center()
         } else {

crates/editor/src/mouse_context_menu.rs

@@ -81,7 +81,19 @@ impl MouseContextMenu {
         cx: &mut Context<Editor>,
     ) -> Self {
         let context_menu_focus = context_menu.focus_handle(cx);
-        window.focus(&context_menu_focus);
+
+        // Since `ContextMenu` is rendered in a deferred fashion its focus
+        // handle is not linked to the Editor's until after the deferred draw
+        // callback runs.
+        // We need to wait for that to happen before focusing it, so that
+        // calling `contains_focused` on the editor's focus handle returns
+        // `true` when the `ContextMenu` is focused.
+        let focus_handle = context_menu_focus.clone();
+        cx.on_next_frame(window, move |_, window, cx| {
+            cx.on_next_frame(window, move |_, window, _cx| {
+                window.focus(&focus_handle);
+            });
+        });
 
         let _dismiss_subscription = cx.subscribe_in(&context_menu, window, {
             let context_menu_focus = context_menu_focus.clone();
@@ -329,8 +341,18 @@ mod tests {
             }
         "});
         cx.editor(|editor, _window, _app| assert!(editor.mouse_context_menu.is_none()));
+
         cx.update_editor(|editor, window, cx| {
-            deploy_context_menu(editor, Some(Default::default()), point, window, cx)
+            deploy_context_menu(editor, Some(Default::default()), point, window, cx);
+
+            // Assert that, even after deploying the editor's mouse context
+            // menu, the editor's focus handle still contains the focused
+            // element. The pane's tab bar relies on this to determine whether
+            // to show the tab bar buttons and there was a small flicker when
+            // deploying the mouse context menu that would cause this to not be
+            // true, making it so that the buttons would disappear for a couple
+            // of frames.
+            assert!(editor.focus_handle.contains_focused(window, cx));
         });
 
         cx.assert_editor_state(indoc! {"

crates/editor/src/selections_collection.rs

@@ -372,7 +372,7 @@ impl SelectionsCollection {
         let is_empty = positions.start == positions.end;
         let line_len = display_map.line_len(row);
         let line = display_map.layout_row(row, text_layout_details);
-        let start_col = line.index_for_x(positions.start) as u32;
+        let start_col = line.closest_index_for_x(positions.start) as u32;
 
         let (start, end) = if is_empty {
             let point = DisplayPoint::new(row, std::cmp::min(start_col, line_len));
@@ -382,7 +382,7 @@ impl SelectionsCollection {
                 return None;
             }
             let start = DisplayPoint::new(row, start_col);
-            let end_col = line.index_for_x(positions.end) as u32;
+            let end_col = line.closest_index_for_x(positions.end) as u32;
             let end = DisplayPoint::new(row, end_col);
             (start, end)
         };

crates/editor/src/test/editor_lsp_test_context.rs

@@ -6,7 +6,7 @@ use std::{
 };
 
 use anyhow::Result;
-use language::rust_lang;
+use language::{markdown_lang, rust_lang};
 use serde_json::json;
 
 use crate::{Editor, ToPoint};
@@ -313,6 +313,22 @@ impl EditorLspTestContext {
         Self::new(language, Default::default(), cx).await
     }
 
+    pub async fn new_markdown_with_rust(cx: &mut gpui::TestAppContext) -> Self {
+        let context = Self::new(
+            Arc::into_inner(markdown_lang()).unwrap(),
+            Default::default(),
+            cx,
+        )
+        .await;
+
+        let language_registry = context.workspace.read_with(cx, |workspace, cx| {
+            workspace.project().read(cx).languages().clone()
+        });
+        language_registry.add(rust_lang());
+
+        context
+    }
+
     /// Constructs lsp range using a marked string with '[', ']' range delimiters
     #[track_caller]
     pub fn lsp_range(&mut self, marked_text: &str) -> lsp::Range {

crates/editor/src/test/editor_test_context.rs

@@ -59,6 +59,17 @@ impl EditorTestContext {
             })
             .await
             .unwrap();
+
+        let language = project
+            .read_with(cx, |project, _cx| {
+                project.languages().language_for_name("Plain Text")
+            })
+            .await
+            .unwrap();
+        buffer.update(cx, |buffer, cx| {
+            buffer.set_language(Some(language), cx);
+        });
+
         let editor = cx.add_window(|window, cx| {
             let editor = build_editor_with_project(
                 project,