feat(core): S1 one CellStruct interpretation, installed-DAT scan, retire AP-234

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Campaign OVERHAUL S1 chunk B.

- CellMesh.Build's render role is deleted; CellMesh.HasDrawableGeometry
  is the exact predicate (any sides_type candidate whose resolved surface
  passes the built-EnvCell (Surface.Type & 6) != 0 test), and the
  streaming build job consumes it. Core and Content no longer carry two
  CellStruct interpretations.
- Installed-DAT scan over the complete Environment corpus (5,346
  landblocks, 729,888 cells, 8,601,560 polygons, 8,608,746 candidates):
  3,197 old-rule admissions were untextured surfaces the NoPos proxy let
  through; zero new-only; zero unexplained; zero unknown sides values;
  counts pinned as goldens against the contract's DAT hashes.
- Canonical pins: 0xF4180104 has eight ST_DOUBLE clip-map polygons and 44
  drawable side calls; the canonical NoPos surfaces are type 0x11 and are
  constructed but skipped; two independent extractions of all ten
  canonical cells hash identically.
- AP-234 retired from the divergence register (161 active rows) with
  ConstructMesh 0x0059DFA0 / DrawEnvCell 0x0059F170 / DrawMesh 0x0059D4A0.
- StipplingSurfaceEquivalenceTests no longer claims a build-time NoPos
  skip; the cell half is report-only, the building half stays pinned.
- Inventory and policy remarks updated; plan ledger records chunk A and
  the capture kit.

Core Meshing+Conformance 95/95, Content 208/208 (Lane!=Timing,
Lane!=PreparedPackage), App EnvCell/LandblockBuild/Streaming 432/432,
Release solution build 0 warnings / 0 errors.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

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Erik 2026-09-02 19:11:17 +02:00

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docs/architecture/retail-divergence-register.md

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