feat: M2.2 CNPG memory-db with pgvector (declarative, 3 instances)

verify/expected/m2.2.txt

@@ -0,0 +1,25 @@
+=== M2.2 Verification: CNPG memory-db + pgvector ===
+
+a1_cluster_healthy:
+  Cluster: 3/3 instances ready
+  ✅ PASS: Cluster in healthy state (3/3 ready)
+
+a2_extension_installed:
+  Extension: vector|0.7.0
+  ✅ PASS: pgvector installed and active
+
+a3_declarative_not_manual:
+  Database CRD extensions: [{"name":"vector","ensure":"present"}]
+  ✅ PASS: Extension declared in Database CRD (git-managed, not manual)
+
+a4_argocd_synced:
+  ArgoCD App: Succeeded / Healthy
+  ✅ PASS: Application Synced/Healthy
+
+a5_app_user_can_ddl:
+  ✅ PASS: App user can CREATE/DROP tables
+
+a6_hnsw_available:
+  ✅ PASS: HNSW index creation available (pgvector 0.7.0 working)
+
+=== Verification complete ===