Inline-execution plan (frozen collision internals): dat-backed seam replay as the
red pin, empirical pinning of the forward-move contact-plane loss, the localized
retail-faithful grounding-retention fix (candidate tree keyed to the pin), #137
regression net, register/digest/ISSUES bookkeeping, live gate.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
