- Rename ET_TYPE_TELEMETRY_REQUEST to ET_SYS_STATUS_WAKE
- Rename get_telemetry_request_data to get_telemetry_data
- Rename extern_interface_handle to handle_pack
- Move telemetry data preparation from host_com.cpp to extern_interface
- Simplify volume grade, system version, and application version handling
- Move common definitions from defines.h to comframe.h
- Implement get_com_tty_id and init_tty functions in comframe.cpp
- Update extern_interface to use pthreads and inicpp
- Simplify event handling in event.cpp
- Remove unused includes and cleanup code in various files