i'm not yet convinced i have the best heuristics for what to highlight, but this feels like a useful step towards something a bit easier to read, esp. when the model is producing large commands. <img width="669" height="589" alt="Screenshot 2025-09-03 at 8 21 56 PM" src="https://github.com/user-attachments/assets/b9cbcc43-80e8-4d41-93c8-daa74b84b331" /> also a fairly significant refactor of our line wrapping logic.
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
macOS
Expects /usr/bin/sandbox-exec to be present.
Linux
Expects the binary containing codex-core to run the equivalent of 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.