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Dylan Hurd 1c9f890c05 Expose exact per-response usage in raw app-server events (#32985 )

## Why

Clients that account for individual upstream Responses API calls need the exact
usage for each completion rather than accumulated or estimated thread usage.

## What changed

- Add the opt-in `rawResponse/completed` app-server notification with the
  `threadId`, `turnId`, `responseId`, and upstream `usage` payload.
- Emit the transient event for normal turns and compaction requests when
  `experimentalRawEvents` is enabled. The event is not persisted or replayed,
  and `usage` is `null` when the upstream response omits it.
- Export the notification in the app-server schemas and document its behavior.

## Testing

- Cover exact token breakdowns for turn and compaction completions.

GitOrigin-RevId: 49040a060bf1784c1ff1dd62112efb4a778428c4

2026-07-14 06:39:42 +00:00

src

Expose exact per-response usage in raw app-server events (#32985 )

2026-07-14 06:39:42 +00:00

BUILD.bazel

build: run buildifier from just fmt (#28125 )

2026-06-13 21:43:39 -07:00

Cargo.toml

core: support extension-owned turn items (#31283 )

2026-07-08 03:55:13 +00:00

README.md

fix: separate codex mcp into codex mcp-server and codex app-server (#4471 )

2025-09-30 07:06:18 +00:00

README.md

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.