phsl / new-api

fix: possible incomplete return of the think field and incorrect occurrences of the `reasoning` field

Fix: fix typo in README

- Implement a new modal for selecting and testing models per channel
- Add search functionality to filter models by keyword
- Replace dropdown with direct button for model testing
- Introduce new state variables for managing model test modal

- Add version and startup time display in OtherSetting component
- Implement robust GitHub release update checking mechanism
- Add error handling for update check process
- Update Modal component for displaying update information
- Add new translations for version and system information

- Introduce `SelfUseModeEnabled` setting to allow flexible model ratio configuration
- Update error handling to provide more informative messages when model ratios are not set
- Modify pricing and relay logic to support self-use mode
- Add UI toggle for enabling self-use mode in operation settings
- Implement fallback mechanism for model ratios when self-use mode is enabled

- Update error message for missing model ratio to be more user-friendly
- Modify ModelRatioNotSetEditor to filter models without price or ratio
- Enhance model data initialization with fallback values

- 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