Built with the full 4.3 flag set plus --baud31250 --widen-ackwait;
71 bytes vs stock, differing from RIOv4_3.bin in exactly two bytes
($D62B baud, $D9E7 ACK-wait) — disassembly-verified. Production table
updated; acceptance ladder on the FastRIO cockpit still required
before deployment.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>