Closes #37022 Closes #36994 This update ensures all Grok models use the JsonSchemaSubset format for tool schemas. A previous fix for this issue was too specific, only targeting grok-4 models. This caused other variants, like grok-code-fast-1, to be missed. We've now broadened the logic to correctly apply the setting to the entire Grok model family. Release Notes: - Fix tool calling for `x-ai/grok-code-fast-1` model via OpenRouter.