### v2.1.0
- Upgraded to Electron 43 for better security, performance, and compatibility.
- API keys are now stored in the OS secure storage (macOS Keychain / Windows DPAPI).
- Smaller download packages with platform-specific binaries only.
- Unified the pixelation engine across the app, CLI, and MCP.
- Improved state management reliability and expanded automated test coverage.
- Updated version to 2.1.0.