Scope: 19 named reusable masters, hinged door child, external shared PBR shelf, manifests, one clean builder, Cycles row sheet.
Start: 2026-10-07 18:14 CEST. Checkpoint ceiling: 2026-10-07 21:14 CEST.
Axes: Y up, +Z facade outward; metre UVs; no embedded images. House source directory read-only.
Cameras: row overview, window/door close view, roof/drainage close view, reverse and clay diagnostic; browser shelf binding smoke.
Budgets: user per-atom triangle ceilings; 1024 shelf maps (minor materials 512); one Blender process at a time; at most 3 visual revisions, 2 critic passes each.
Shelf: reuse existing CC0 scans and baked swatches; periodicize shared maps, registered height; optional ninth lower-zone granite variant.
Completed: final clean build and source hashes verified; 19 masters, 17,012 triangles, 49 runtime draw calls. Every budget passes, no degenerate geometry, metric UV error <0.00000036 m, all PNG opposite edges exact. Independent visual PASS, runtime no errors. Optional ninth material supplies lower-zone moss.