- Added handling for OpenAI-compatible providers during client reload.
- Implemented client unregistration for old clients during reload.
- Improved logging for detailed client reload insights.
Expand `AuthDir` handling to support tilde (`~`) for home directory resolution
- Added logic to replace `~` with the user's home directory in `AuthDir`.
- Prevents errors when using `~` in configuration paths.
- Updated all handlers to safely unlock the request mutex only if it's non-nil.
- Enhanced mutex locking and unlocking logic to avoid runtime errors.
- Improved robustness of resource cleanup across clients.
Add `GetRequestMutex` method for synchronization across clients
- Introduced a new `GetRequestMutex` method in OpenAICompatibilityClient, CodexClient, GeminiCLIClient, GeminiClient, and QwenClient for request synchronization.
- Ensures only one request is processed at a time to manage quotas effectively.
- Introduced OpenAI compatibility configurations for external providers, enabling model alias routing via the OpenAI API format.
- Enhanced provider logic in `GetProviderName` to handle OpenAI aliases and added new helper functions for compatibility checks.
- Updated API handlers and client initialization to support OpenAI compatibility models.
- Improved resource cleanup across clients by closing response bodies and streams using deferred functions.
