COMPLETED & ARCHIVED: ✅ M3.7.7 — Failure signature extraction (18 tests, 9/9 assertions) ✅ M3.7.8 — Symptom projection (22 tests, 6/6 assertions) BOARD UPDATES: - Deleted M3.7.7-signature-extraction.md - Deleted M3.7.8-symptom-projection.md - Updated progress: 60/71 tasks complete (85%) - Updated M3.7.x: 2 ✅ done, 0 🟡 in progress, 2 ⬜ not started - Updated test count: 265+ passing - Marked M3.7.7 & M3.7.8 as ✅ ARCHIVED in task table - Updated 'Current work' section (removed M3.7.8) NEXT: M3.7.4 context endpoint (blocked on M8.2 hybrid search)