{"agent":"claude","input":"This pull request changes the users and items routes. Read the diff against the base branch and list the new or changed behavior in backend/app/api/routes/users.py, items.py and backend/app/crud.py that no existing test covers. Start Postgres with the values in .env, run scripts/prestart.sh, and write pytest tests for each item in backend/tests/api/routes/test_users.py, test_items.py or backend/tests/crud/, using the fixtures in conftest.py (client, db, superuser_token_headers, normal_user_token_headers) and the helpers in tests/utils. Run pytest from backend/ until the new tests pass. Do not change application code: if a test fails because the code is wrong, leave it out and describe the failure. Push the tests to this pull request's branch and post a comment listing each test and the behavior it covers.","resources":[{"url":"https://github.com/your-org/your-app/pull/123"}]}