Switch Codex provider checks to app-server probe

- Use codex app-server snapshots for auth, models, and skills
- Remove legacy CLI/config discovery paths and related helpers
- Update tests for the new provider status flow
f3f4d11a50Julius Marminge committed on 9/18/2026, 12:47:54 AM· committed by Julius Marmingeparent1a3cd27
7 files changedLine totals unavailable