- Implement `/api/channel/models_enabled` endpoint to retrieve enabled models
- Add `EnabledListModels` handler in controller
- Create new `ModelRatioNotSetEditor` component for managing unset model ratios
- Update router to include new models_enabled route
- Add internationalization support for new model management UI
- Include GPT-4.5 preview model in OpenAI model list
- Implement user notification settings with email and webhook options
- Add new user settings for quota warning threshold and notification preferences
- Create backend API and database support for user notification configuration
- Enhance frontend personal settings with notification configuration UI
- Support custom notification email and webhook URL
- Add service layer for sending user notifications
- Added a new endpoint to batch set tags for multiple channels, allowing users to update tags efficiently.
- Introduced a new `BatchSetChannelTag` function in the controller to handle incoming requests and validate parameters.
- Updated the `BatchSetChannelTag` method in the model to manage database transactions and ensure data integrity during tag updates.
- Enhanced the ChannelsTable component in the frontend to support batch tag setting, including UI elements for user interaction.
- Updated localization files to include new translation keys related to batch operations and tag settings.
- Introduced a new `FetchModels` endpoint to retrieve model IDs from a specified base URL and API key, enhancing flexibility for different channel types.
- Refactored `FetchUpstreamModels` to simplify base URL handling and improve error messages during response parsing.
- Updated API routes to include the new endpoint and adjusted the frontend to utilize the new fetch mechanism for model lists.
- Removed outdated checks for channel type in the frontend, streamlining the model fetching process.
