Frozen-transform held-out signed residual
-0.26402 ft against 7 ft-0.26402 ft · estimated uncertainty ±0.47 ft
Diagnostic pass=true; physical geometry remains unapproved.
canonical X / across side corridor
Calculated from: w6-heldout-room402-corridor-clear-7ft, w6-heldout-room402-corridor-side-face-registered-x, w6-heldout-room443-corridor-side-face-registered-x