SAM3D canonical-init-frame fix: 12 clips refreshed (sanity 5 + batch 7) (7/12)

2026-05-17: -AWGX2al-ow_77.7_86.3 retrimmed to [77.78, 83.18] (5.4s), full reprocess — 4 oids kept (1 spinach bowl + 3 bowls), 1 spurious dropped