P0 (verbatim-spatial-pipeline-port) Tasks 1+2. ConformanceDats loads the
cottage-doorway cells from the real dats with their real ContainmentBsp;
CottageDoorwayCharacterizationTests maps the Holtburg 0140..017F indoor
neighborhood and pins the master-plan threshold building (origin
161.93,7.50,94.00): 0xA9B40170 vestibule (exit portal 0xFFFF + portal to
0171), 0xA9B40171 room. Grid math confirms the outdoor side is landcell
0xA9B40031 -> the 0031<->0170<->0171 ping-pong is verified real. Verified
interior points recorded for the point_in_cell/find_cell_list goldens.
Plan: docs/superpowers/plans/2026-06-03-p0-conformance-apparatus.md
Notes: docs/research/2026-06-03-p0-conformance-apparatus-notes.md
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>