4afc67b7a8
- Add UserAgentCatalogSeed and UserAgentCatalogYaml Pydantic models - Add load_user_agent_catalog function to load from YAML - Add _upsert_user_agent_catalog helper for upsert logic - Add initialize_user_agent_catalog function for initialization - Refactor initialize_data to call initialize_llm_catalog and initialize_user_agent_catalog - Fix UserAgentCatalog.llm_id type from str to uuid.UUID