Files
codex/codex-rs/protocol
swastik-oai 9552906b2b Protect the guardian decisions API key from environment forwarding (#50019)
## What changed

Add `CODEX_GUARDIAN_DECISIONS_API_KEY` to the non-inheritable environment variables and the HTTP header environment denylist. Case-insensitive filtering removes it from child process environments, including explicit shell policy and command overrides, and rejects its use through `http/request` header `value_env_var`.

## Testing

Extend regression coverage for inherited and overridden variables, mixed-case names, and HTTP header rejection before any network request is sent.

GitOrigin-RevId: 1adeef814fdccb2d6c77dd68f7a5dfcec0b41cc6
2026-10-01 15:57:53 +00:00
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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.