bb6dff80b5
- Introduced `is_builtin` property in the model configuration to identify builtin models. - Updated frontend components to display a tag for builtin models in the ModelSelector and ModelSettings. - Enhanced the ModelEditorDialog to prevent editing and deletion of builtin models. - Implemented logic in the backend to hide sensitive information for builtin models and restrict their modification. - Added informative UI elements to clarify the nature of builtin models in the settings and editor views.