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## Why `additional_tools` response items were excluded from rollout persistence, dropping their tool definitions from saved history. ## What changed - Persist `additional_tools` items in both legacy and paginated history modes. - Expose the variant in generated JSON schemas, TypeScript types, and Python models, with an optional `id`, a `role`, and arbitrary JSON tool definitions. ## Testing Add a recorder round-trip test that verifies tool definitions survive recording and loading in both history modes without parse errors. GitOrigin-RevId: 0e7c7b1c10401ec6513fb744de642a1cf9e461d7
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.