colima-prompt-handoffs

• revision 10f80d6e — 2026-09-13 — refactor(bb8): drive colima checks through fixture prompts
• revision 1f333406 — 2026-09-13 — feat(bb8): run prompt handoff checks in the shared integration fixture
• revision a2491a6c — 2026-09-12 — test(smoke): exercise observed interval guard
• revision 2cc19c18 — 2026-09-12 — test(smoke): cover observed reminder deadline
• revision 6d18058c — 2026-09-12 — fix(smoke): bound disabled reminder wait by observed interval (BB6-026)
• revision 054fd8b2 — 2026-09-12 — test(bb6): match handoffs by durable identity
• revision 98e41036 — 2026-09-12 — test(bb6): bound bare mailbox evidence reads
• revision f5cc8d38 — 2026-09-12 — test(bb6): reconcile all prompt recipient surfaces
• revision 9429a997 — 2026-09-12 — test(bb6): add prompt handoff colima runner