feat(ask): persist full Q&A entries with decisions to .qa.md - #72

Bugbot Analysis Progress (50s elapsed)

✅ Gathered PR context (2s)
✅ Completed bug detection (43s)
✅ Posted analysis results (5s)

Final Result: Bugbot completed review - no new issues found. 1 previously reported issue remain unresolved.

Request ID: serverGenReqId_7c8516ff-3e17-4881-a091-c2f5714d2e57