- Centralized client retrieval logic with `getClient` function for reduced redundancy.
- Simplified client rotation and error handling by removing excessive load balancing logic.
- Updated server address in `auth.go` to use dynamic binding (`:8085`).
- Introduced `ClaudeMessages` to handle Claude-compatible streaming chat completions.
- Implemented client rotation, quota management, and dynamic model name mapping for better load balancing and resource utilization.
- Enhanced response streaming with real-time chunking and Claude format conversion.
- Added error handling for quota exhaustion, client disconnections, and backend failures.
