# START HERE V405

Read `HANDOVER_V405_ATG_SPLIT_SQUAT_STANDING_RESET.md` and `diagnostics/v405/V405_ATG_STANDING_RESET_CHECK.json`.

Production resolved asset: `assets/nexprod/resolved/atg-split-squat-lunges-v405-standing-reset.resolved.json`.

This checkpoint intentionally preserves V404 lunge peaks and upper-body animation while adding a natural standing reset at the existing neutral timing knots between leg changes.