feat(ADM-018): completed feature

work/artifacts/ADM-018/reviewer.json

@@ -0,0 +1,41 @@
+{
+  "feature_id": "ADM-018",
+  "verdict": "APPROVED",
+  "reviewer": "reviewer",
+  "timestamp": "2026-08-17T20:23:00Z",
+  "checks": {
+    "domain_purity": {
+      "pass": true,
+      "notes": "Domain types (profile.ts, ports.ts) contain no framework/DB imports"
+    },
+    "layer_boundaries": {
+      "pass": true,
+      "notes": "API → Application → Domain via ports. Infrastructure implements ports. No layer violations."
+    },
+    "sql_safety": {
+      "pass": true,
+      "notes": "All queries use parameterized $1/$2/$3. ILIKE uses parameterized pattern. LIMIT/OFFSET from parsed integers, clamped."
+    },
+    "authorization": {
+      "pass": true,
+      "notes": "GET /users gated by requireRole('admin'). GET /users/:id gated by requireOwnerOrAdmin. No change to auth model."
+    },
+    "input_validation": {
+      "pass": true,
+      "notes": "offset/limit parsed with parseInt + Math.max/min clamping. q passed as parameterized string."
+    },
+    "type_safety": {
+      "pass": true,
+      "notes": "Backend typecheck clean. Admin frontend typecheck clean. New types properly exported."
+    },
+    "serialization": {
+      "pass": true,
+      "notes": "serializeCustomer maps userId→id for frontend Customer type compatibility. ISO date strings."
+    },
+    "test_coverage": {
+      "pass": true,
+      "notes": "All 123 existing tests pass. No regression."
+    }
+  },
+  "notes": "Clean, minimal change. Follows existing patterns (ports, parameterized queries, serialization). No dead code introduced."
+}