codex-rs/exec-server/src/remote_file_system.rs
codex-rs/ext/skills/src/loader/io_test_support.rs

codex-rs/exec-server/src/sandboxed_file_system.rs
codex-rs/ext/skills/src/loader/io_test_support.rs

codex-rs/exec-server/src/local_file_system.rs
codex-rs/ext/skills/src/loader/io_test_support.rs