**Summary** - Upgrade Rust toolchain used by CI to 1.92.0. - Address new clippy `derivable_impls` warnings by deriving `Default` for enums across protocol, core, backend openapi models, and windows-sandbox setup. - Tidy up related test/config behavior (originator header handling, env override cleanup) and remove a now-unused assignment in TUI/TUI2 render layout. **Testing** - `just fmt` - `just fix -p codex-tui` - `just fix -p codex-tui2` - `just fix -p codex-windows-sandbox` - `cargo test -p codex-tui` - `cargo test -p codex-tui2` - `cargo test -p codex-windows-sandbox` - `cargo test -p codex-core --test all` - `cargo test -p codex-app-server --test all` - `cargo test -p codex-mcp-server --test all` - `cargo test --all-features`
codex-core
This crate implements the business logic for Codex. It is designed to be used by the various Codex UIs written in Rust.
Dependencies
Note that codex-core makes some assumptions about certain helper utilities being available in the environment. Currently, this support matrix is:
macOS
Expects /usr/bin/sandbox-exec to be present.
When using the workspace-write sandbox policy, the Seatbelt profile allows
writes under the configured writable roots while keeping .git (directory or
pointer file), the resolved gitdir: target, and .codex read-only.
Linux
Expects the binary containing codex-core to run the equivalent of codex sandbox linux (legacy alias: codex debug landlock) when arg0 is codex-linux-sandbox. See the codex-arg0 crate for details.
All Platforms
Expects the binary containing codex-core to simulate the virtual apply_patch CLI when arg1 is --codex-run-as-apply-patch. See the codex-arg0 crate for details.