test: verify fresh image lifecycle

app/gateway-frontend/package.json

@@ -34,8 +34,10 @@
         "@sammo-ts/infra": "workspace:*",
         "@sammo-ts/logic": "workspace:*",
         "@tailwindcss/vite": "^4.1.18",
+        "@types/pg": "^8.16.0",
         "@vitejs/plugin-vue": "^6.0.3",
         "autoprefixer": "^10.4.23",
+        "pg": "^8.16.3",
         "postcss": "^8.5.6",
         "tailwindcss": "^4.1.18",
         "typescript": "6.0.2",