Adding a 10k pull-up and removing four audio LEDs meant updating interface, assembly, panel, BOM, snapshots and regression checks, plus ngspice regressions and mutation tests for a missing or wrong-value R8. It also supersedes still-open PR #5 with "please merge only one". Small hardware change, wide blast radius, all coordinated by hand.
From the Grok pain-radar digests, Nov 2 2026 (Nov 2 8:41 AM ET through Nov 2 10:41 PM ET digests plus the Haitch editions). Verified live 2026-11-03: issue/PR read; title and state confirmed.