This PR updates the `zeta` crate to use the predictive edit DTOs defined in the `zed_llm_client` crate. This way we aren't duplicating their definitions (and risk them going out of sync). Release Notes: - N/A
This PR updates the `zeta` crate to use the predictive edit DTOs defined in the `zed_llm_client` crate. This way we aren't duplicating their definitions (and risk them going out of sync). Release Notes: - N/A