fix(orchestration): stabilize Codex turn mapping and settlement

- Preserve Codex turn identity while suppressing duplicate diff notifications
- Optimize settlement projections and isolate thread visit handling
- Add concurrency and regression coverage across server and mobile
22a90e10b5Julius Marminge committed on 9/21/2026, 5:31:40 AMparent76170f0
64 files changedLine totals unavailable