Complete Phase 1 implementation of the Yaesu FT-991A remote control
application with CAT protocol support over USB serial (CP210x).
Features implemented:
- SerialPortManager with auto-detection of CP210x ports
- Full CAT protocol parser and command builder
- RadioState model with all transceiver parameters
- Modern SwiftUI interface with frequency/mode/level controls
- Skeuomorphic front panel view (switchable)
- Debug panel with CAT command console
- QSO log panel with CSV export/import
- Audio routing panel with BlackHole integration
- Settings with connection, UI, keyboard configuration
- Menu bar extra for background operation
- German/English localization
- Logging system for debugging
Supports: Frequency control, VFO A/B, all modes (LSB/USB/CW/FM/AM/
DATA/RTTY/C4FM), level controls, NB/NR/DNF/ATU/Split functions,
S-meter/Power/SWR metering, PTT control via Shift key.
Target: macOS 15.0+ (Sequoia/Tahoe)
Claude