## Why
`codex sandbox --permissions-profile` is useful when running commands
under a named permissions profile, but the long option is cumbersome for
a debugging-oriented command. `-p` is already used for the config
profile selector, so `-P` gives the permissions profile selector a
compact, non-conflicting alias.
## What Changed
- Added `short = 'P'` to the `permissions_profile` option for the macOS,
Linux, and Windows sandbox command structs in
[`codex-rs/cli/src/lib.rs`](https://github.com/openai/codex/blob/6d9f9c5cdcaa0a156aa2dabbde259ae5e9e8bc0b/codex-rs/cli/src/lib.rs#L29-L112).
- Added parser coverage for `codex sandbox -P :workspace -- echo` in
[`codex-rs/cli/src/main.rs`](https://github.com/openai/codex/blob/6d9f9c5cdcaa0a156aa2dabbde259ae5e9e8bc0b/codex-rs/cli/src/main.rs#L2883-L2896).
## Verification
- `just test -p codex-cli` passed, including the new
`sandbox_parses_permissions_profile_short_alias` parser test.
Michael BolinandGitHub
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