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wip(assembler): round L35 -- smooth passage walls without regular ribs (evaluator v21)

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The shared passage carve took the minimum of piecewise-linear capsules (scallops at joins) and added
wall relief on regular 8 m / 4 m octaves, which read as evenly spaced ribs. Interior sweep joins are
now Catmull-Rom smoothed and the relief uses irregular rotated 43/29/19 m scales; the natural wobble
remains. New axial ripple audit (0.125 m radius samples, 0.5-8 m periods): beaded control and L34
geometry fail, all 24 passage rows pass. FI mouth tread apron tapered. 30/30 determinism, 16/16
invariants, ring audits LOD0-8 pass; cost within noise.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01CSFYgsdW8ejZSyiMf4qRSX
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Fr0zkaandClaude Opus 5.5 committed 2026-10-22 07:28:50 +02:00
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CODEMAP.md
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@@ -1243,6 +1243,18 @@ The owner SurfaceWorld hashes match L32 and evaluator/recipe versions are unchan
ARCHITECTURE §8.47 and
[`Standalone/Research/WorldAssemblerM3/Linux33/REPORT.md`](Standalone/Research/WorldAssemblerM3/Linux33/REPORT.md).
### 3.31 Passage-wall ripple and FI tread-shoulder audit — World Assembler M3 L35
| Symbol | Canonical file | Role |
|---|---|---|
| `VF_FieldPassageWallRelief` | `Standalone/Core/src/VoxelForgeFieldShared.h` | Supplies passage-only irregular wall relief at rotated 43/29/19 m scales. Other `VF_FieldSurfaceRelief` users stay unchanged. |
| `ApplyResolvedStratePassageCarves` | `Standalone/Core/src/ShapeWorldInternal.h` | Catmull–Rom smooths eligible interior sweep joins, applies passage-only wall relief, and tapers/grains the entry support shoulder below the capsule/support probe footprint. |
| `PlanResolvedLayoutPassagesV1` | `Standalone/Core/src/ResolvedLayoutInternal.h` | Gives each Cascade turn a seeded shallow radial profile instead of identical repeated full-depth cosine lobes. |
| `auditPassageRipples` / `PassageRippleAudit` | `Standalone/Source/StreamBenchmarkPipeline.h` | Samples field wall radius at 0.125 m spacing, scans periods 0.5–8 m in 32 m windows, and rejects amplitudes ≥0.035 m. The negative control uses 2 m radius spheres at 1.5 m spacing. |
`WorldAssemblyEvaluatorVersion=21`. See ARCHITECTURE §8.48 and
[`Standalone/Research/WorldAssemblerM3/Linux35/REPORT.md`](Standalone/Research/WorldAssemblerM3/Linux35/REPORT.md).
## 4. The density pipeline (most-edited hot path)
### 4.1 `GetDensityWithParams` (TunnelNetwork) — VoxelGenerator.cpp:3749