GUI_V1 ==> 
GUI_V2 ==> added STM32 USB CDC
GUI_V3 ==> added Pitch to STM32 USB Packet and pitch correction to the Elevation 
GUI_V3 ==> Added Google_Map, real time target plot, Chirp duration_2
GUI_V4 ==> Added pitch correction

GUI_V5 ==> Added Mercury Color

GUI_V6 ==> Added USB3 FT601 support  [DEPRECATED — superseded by V65/V7]

GUI_V65_Tk ==> Board bring-up dashboard (FT2232H reader, real-time R-D heatmap, CFAR overlay, waterfall, host commands, HDF5 recording, replay, demo mode)
radar_protocol ==> Protocol layer (packet parsing, command building, FT2232H connection, data recorder, acquisition thread)
smoke_test ==> Board bring-up smoke test host script (triggers FPGA self-test via opcode 0x30)
