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Owen Lin 4ef836f883 Distinguish rollout IDs from thread IDs (#38127 )

## Why

`thread/revert` preserves a thread ID while creating a new immutable rollout. Rollout persistence and filesystem fallback therefore need to distinguish the logical thread from each physical history file.

## What changed

- Add a `RolloutId` alias and canonical filename parsing for both ordinary rollouts and reverted rollouts with a distinct rollout ID.
- Allow the recorder to create a replacement rollout without changing the thread ID, and add lookup by either the stable thread ID or an exact rollout ID.
- Index history references and compression safety checks by rollout ID so multiple rollouts for one thread remain distinct.
- Preserve the rollout path selected in SQLite when filesystem repair encounters another rollout for the same thread.

## Testing

Add coverage for filename round trips, replacement rollout metadata, thread and rollout lookup, reference indexing, compression, and database path preservation.

GitOrigin-RevId: 14b1d0b4a9432b341a1307afc0abadd507e7ae7d

2026-08-12 05:20:32 +00:00

src

Distinguish rollout IDs from thread IDs (#38127 )

2026-08-12 05:20:32 +00:00

BUILD.bazel

build: run buildifier from just fmt (#28125 )

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

Cargo.toml

Use the shared HTTP client in codex-protocol (#36033 )

2026-07-29 21:47:22 +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.