feat(F-185): completed feature

backlog/features.json

@@ -7151,6 +7151,23 @@
         "close": true
       },
       "completed_at": "2026-08-22T17:26:50Z"
+    },
+    {
+      "id": "F-185",
+      "type": "fix",
+      "title": "Stabilize PostgreSQL integration suite and payment currency default",
+      "description": "Integration files mutate shared test DB in parallel and payment-line EUR default is over-quoted",
+      "priority": "high",
+      "risk": "med",
+      "status": "done",
+      "created_at": "2026-08-22",
+      "gates": {
+        "reviewer": true,
+        "security": true,
+        "qa": true,
+        "close": true
+      },
+      "completed_at": "2026-08-22T17:30:45Z"
     }
   ]
 }