colima-assignment

• revision 10f80d6e — 2026-09-13 — refactor(bb8): drive colima checks through fixture prompts
• revision 5df9c2f0 — 2026-09-13 — fix(bb): correct evidence provenance and roster scope
• revision 0cbc4adc — 2026-09-12 — test: add BB5 colima assignment scenarios