refactor: align frontend ownership boundaries

Close audit gaps across API drift, query policy, UI, and tests.

package.json

@@ -15,9 +15,10 @@
 		"test:run": "vitest run",
 		"test:coverage": "vitest run --coverage",
 		"openapi:generate": "openapi-typescript src/shared/api/spec/openapi.json -o src/shared/api/generated/schema.d.ts",
+		"openapi:check": "node scripts/check-openapi.mjs",
 		"knip": "knip",
 		"deps": "depcruise src --config dependency-cruiser.cjs --output-type err-long",
-		"verify": "npm run typecheck && npm run lint && npm run test:coverage && npm run knip && npm run deps && npm run build",
+		"verify": "npm run openapi:check && npm run typecheck && npm run lint && npm run test:coverage && npm run knip && npm run deps && npm run build",
 		"prepare": "husky",
 		"preview": "vite preview"
 	},