- 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- Removed outdated checks for channel type in the frontend, streamlining the model fetching process.
