SangamIO changes:
- Add ProtocolSync command (0x0C) for GD32 wake sequence at boot
- Add CMD_PROTOCOL_SYNC constant and cmd_protocol_sync() builder
- Handle protocol sync ACK in reader loop with logging
- Update COMMANDS.md with full AuxCtrl init sequence from MITM capture
Protocol-MITM changes:
- Simplify log format to CSV for easier parsing and analysis
- Configure PTY slave for raw mode to prevent escape encoding
- Remove verbose packet decoding (now done in post-processing)
- Update documentation with new CSV format specification
Other:
- Add *.log to gitignore
- Remove unused mitm_init.sh script
- Update deployment scripts for simplified workflow