The readiness work was blocked on one question, which .kicad_pcb is the flight board. The answer is hub_board_v10_lora1280_7of9.kicad_pcb, not hub_board_v10.kicad_pcb, which still carries the old U_E28 radio with 730 track segments and 52 vias against 843 and 41. In the author's words, "quoting one board's DRC numbers for the other is invalid." Fresh native runs show 40 DRC violations and 86 unconnected. Schematic-to-board parity has 7 failures, including six nets on U_E28 in the schematic vs U_LORA1280 on the board. The part registry check says DRIFT 4, MISSING 52, "still E28-era.