KB-PHASE2-DEPLOY — Verification Report

Date: 2026-04-05 | Status: ✅ DEPLOYED + 12/12 PASS

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Verify Results (SQL evidence)

1. updated_at column

SELECT column_name FROM information_schema.columns
WHERE table_name='kb_documents' AND column_name='updated_at';
→ 1 row returned: updated_at (timestamp with time zone, NOT NULL)

2. UNIQUE constraint dropped

SELECT conname FROM pg_constraint WHERE conname='uq_kb_history_document_key';
→ 0 rows (constraint removed)

3. updated_at auto-updates

BEFORE: 2026-04-05 05:42:39.377656+00
UPDATE kb_documents SET data = data || '{"_verify_ts": true}'
AFTER:  2026-04-05 08:10:11.179677+00
→ Timestamp changed automatically ✅

4. History preserved

SELECT count(*) FROM kb_documents_history;
→ 526 rows (was ~147 before migration, grew with real updates)
134 docs have multiple versions

5. API health

Status: healthy
  qdrant: ok (22.6ms) | postgres: ok (1.7ms)
  Docs: 872 | Vectors: 1319 | Sync: ok

6. dot-kb-verify.sh v3.0.0 — 12/12 PASS

Check 1:  Audit completeness — 0 post-Phase2 missing (168 legacy OK)
Check 2:  Truncation warnings — 0
Check 3:  PG active docs — 872
Check 4:  Suspicious short docs — 0
Check 5:  Write activity 24h — 998 UPDATE, 25 INSERT, 3 DELETE
Check 6:  Agent Data memory — 42% (1.051G/2.5G)
Check 7:  Permission guard — intact
Check 8:  Phase 2 history — 526 rows, 157 unique, 134 multi-version
Check 9:  updated_at — OK, 0 stale
Check 10: fn_kb_snapshot — INSERT mode (correct)
Check 11: UNIQUE constraint — dropped (correct)
Check 12: Size — History 1416 kB, Audit 360 kB
RESULT: PASS — 0 issues

What was done

Action	Detail
Migration SQL	Already deployed earlier this session (S166-KB)
fn_kb_snapshot bug fix	RETURN NEW for UPDATE (was RETURN OLD — blocked all updates)
Old fn_kb_restore(text,int)	Dropped (ambiguous overload)
dot-kb-verify.sh	Upgraded v2→v3: +5 Phase 2 checks (8→12 total)
VPS git	commit c35e740

Technical Debt

TD	Description	Priority
TD-KB-LEGACY-168	168 docs with rev>1 but no history (updated before triggers installed)	P3 — cosmetic
TD-KB-RETENTION	History grows unbounded. Consider cron to prune > 60 days	P3 — low urgency (1.4MB total)
TD-QDRANT-ORPHAN	1319-872 = 447 orphan vectors (34%)	P2

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KB Phase 2 deployed + verified | 12/12 checks PASS | VPS git c35e740