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rhan-oai df72fdb415 Consolidate model instructions in ModelMessages (#36787 )

## What changed

- Remove `ModelInfo.base_instructions` as an in-memory instruction source and use `model_messages.instructions_template` consistently for bundled, remote, fallback, and overridden model metadata.
- Preserve compatibility by promoting legacy `base_instructions` values when reading model responses and caches, and by including rendered legacy instructions when serializing `ModelsResponse` for older clients.
- Treat templates without instruction variables as literal text and retain the other model-message fields when applying instruction overrides.

This completes the consolidation proposed in https://github.com/openai/codex/pull/31302.

## Testing

- Cover legacy response and cache migration, canonical-template precedence, fallback instructions, personality rendering, overrides, and model switching.

GitOrigin-RevId: 089d986ca5e30da67db2c77a1b6a046d2cff52dc

2026-08-03 19:30:40 +00:00

src

Consolidate model instructions in ModelMessages (#36787 )

2026-08-03 19:30:40 +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.