Add tactile-latency inspection clips (~10s, 1x real-time, contact-onset windows): 5 motherboard + 3 pushT. Panel shows cams + GelSight raw/diff + frame counter to read GelSight deformation lag vs visual contact.

Add tactile-latency inspection clips: ~10s real-time (1x) panels around contact onsets, per task, for verifying GelSight deformation lag vs visual contact.