Replaced all '@/napcat-satori/...' imports with relative paths for consistency and compatibility. Added generic protocol config get/set handlers and routes in the web UI backend to support extensible protocol configuration management. Improved error handling and default value logic for Satori protocol configuration.
Introduced the new napcat-protocol package to unify protocol adapter management for OneBot and Satori. Updated napcat-framework and napcat-shell to use ProtocolManager instead of direct adapter instantiation. Added protocol info definitions to napcat-common, and integrated protocol configuration and management APIs into the web UI backend and frontend. This refactor improves maintainability, extensibility, and encapsulation of protocol logic, while maintaining backward compatibility.
