CLAUDE.md@eval/multistage_v3/fleet_service/start git:20261029.293bb65A

Immutable. This exact content never changes and is served at /api/v1/blob/35715e21f2144d59.

# 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/fleetkeep/_generated.py`.