- Removed unused imports (Scope, Arc, Mutex) from api/mod.rs
- Updated config function signature to use ServiceConfig instead of Scope
- Removed unused session_manager module from main.rs
- Cleaned up documentation comments in models and queue_service modules
- Simplified import statements across backend modules for better readability
This refactoring removes unnecessary dependencies and cleans up the codebase by eliminating unused imports and redundant documentation while maintaining all functionality.
