{ "revision": "R1", "decided_at": "2026-09-07", "authority": "User instruction in this session: defer the remaining two fan checks for the first revision and continue KiCad hardware work", "deferred_checks": { "Fan exact-model PWM TACH limits verified": "Excluded from R1 acceptance by user decision; exact-model guarantees remain unverified", "Fan assembly and startup protection verified": "Excluded from R1 acceptance by user decision; startup and assembly verification remain open" } }