CLAUDE.md@eval/multistage_v3/hotel_desk/start git:20261029.73ca0b4A

Immutable. This exact content never changes and is served at /api/v1/blob/557557a5f24529ef.

# Project rules

1. Keep `docs/reference.md` current whenever behaviour changes.
2. Add a `CHANGELOG.md` entry for every change.
3. Every bug fix carries a test.
4. Never edit `src/hoteldesk/_generated.py`.