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## Why Clients need to know whether a `request_user_input` request must wait for an explicit response or may auto-resolve. Using `autoResolutionMs` as that signal conflated the blocking decision with timeout policy. ## What changed - Add required `isBlocking` fields to user input protocol and app-server request payloads. Plan-mode requests are blocking, while requests from other enabled modes are non-blocking. - Drive the TUI's auto-resolution behavior from `isBlocking` and remove `autoResolutionMs` from the model-facing tool schema. - Deprecate `autoResolutionMs` while retaining it for compatibility, and treat legacy payloads without `isBlocking` as blocking. ## Testing - Cover mode-derived blocking behavior, legacy deserialization, app-server forwarding, delegated requests, and TUI auto-resolution. GitOrigin-RevId: 29aade657ef743065ec264376ba567a9b353d7d7
codex-protocol
This crate defines the "types" for the protocol used by Codex CLI, which includes both "internal types" for communication between codex-core and codex-tui, as well as "external types" used with codex app-server.
This crate should have minimal dependencies.
Ideally, we should avoid "material business logic" in this crate, as we can always introduce Ext-style traits to add functionality to types in other crates.