jif-oai and GitHub
569ff6a1c4
extension: move git attribution into an extension ( #21738 )
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## Why
Git commit attribution is prompt policy, not session orchestration.
After #21737 adds the extension-registry seam, this moves that
prompt-only behavior out of `codex-core` so `Session` can consume
extension-contributed prompt fragments instead of owning a one-off
policy path itself.
Before this PR, `Session` injected the trailer instruction directly from
`codex-core` ([session
assembly](https://github.com/openai/codex/blob/a57a747eb667753118217b8bb47dfd1fff88cbde/codex-rs/core/src/session/mod.rs#L2733-L2739 ),
[helper
module](https://github.com/openai/codex/blob/a57a747eb667753118217b8bb47dfd1fff88cbde/codex-rs/core/src/commit_attribution.rs#L1-L33 )).
This branch moves that same responsibility into
[`codex-git-attribution`](https://github.com/openai/codex/blob/b5029a67360fe5c948aa849d4cf65fd2597ebaae/codex-rs/ext/git-attribution/src/lib.rs#L14-L100 ).
## What changed
- Added the `codex-git-attribution` extension crate.
- Snapshot `CodexGitCommit` plus `commit_attribution` at thread start,
then contribute the developer-policy fragment through the extension
registry.
- Register the extension in app-server thread extensions.
- Remove the old `codex-core` helper module and direct `Session`
injection path.
This keeps the existing behavior intact: the prompt is only contributed
when `CodexGitCommit` is enabled, blank attribution still disables the
trailer, and the default remains `Codex <noreply@openai.com >`.
## Stack
- Stacked on #21737 .
2026-05-11 12:53:15 +02:00
jif-oai and GitHub
d2c3ebac1f
extension: add initial typed extension API ( #21736 )
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## Why
`codex-core` still owns a growing amount of product-specific behavior.
This PR starts the extraction path by introducing a small, typed
first-party extension seam: features can install the contribution
families they actually own, while the host keeps lifecycle and state
ownership instead of pushing a broad service locator into the API.
See the `examples/` for illustration
## Known limitations
* Tool contract definition will be shared with core
* Fragments must be extracted
* Missing some contributors
2026-05-11 11:06:24 +02:00
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