The header said 'Audited 2026-09-28' while the document now carries 2026-09-29
implementation results; it says both, and that audit-time figures are kept
beside the later ones rather than replaced.
The OCR cost row claimed 18.0 ms on 40 production crops with no committed
script behind it. code/bench_ocr.py is that measurement: 23.3 ms p50, 37.2 ms
p95, mean 23.1 - inside the recorded 18-26 ms band, at its upper half.
