Re-process tactile_tracking with unified A=40,I=10 rule (2408 rows, +52% vs prior)

Reprocess tactile_tracking: tighten empty-budget 3%→1.5% → 1,584 rows (24 bg)

Re-process tactile_tracking with area+intensity (1605 kept, +40%)

Add tactile_tracking (1.1K markerless tracking frames)