1. ACTIVE state never populated — stats endpoint now computes ACTIVE from live findings cache count instead of querying archive table
2. CHECK constraint mismatch — migration now uses 3-state constraint (ARCHIVED, RETURNED, CLOSED) matching runtime initArchiveTables()
3. Archive filter click non-functional — handleArchiveStateClick now fetches and renders filtered archive list below summary bar
4. Hook glob pattern mismatch — changed **/migrate*.js to **/migrations/*.js so hook fires for actual migration filenames
5. Stale stats after sync — ArchiveSummaryBar polls every 60s and refreshes immediately after workflow sync via refreshKey prop
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