Stamp vocabulary v7 (opt-in fillBox, carveBox, fillSteps; carveArch reused); flat-field liminal stamp fixtures; capsule walk audit with doorway-width gate (1.2 m control fails as expected). Clang/GCC W1/W8/W12 identical; owner canonical hashes unchanged; fast tier 273/273. Terraced wide view not yet legible. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_016dhxM43dnWvUu2B5Ph1iG1
32 lines
2.6 KiB
Markdown
32 lines
2.6 KiB
Markdown
# L161 — More liminal looks
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| Look | Eye height | Wide |
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|---|---|---|
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| Pool rooms |  |  |
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| Backrooms grid |  |  |
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| Staircase to nowhere |  |  |
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| Terraced hills |  |  |
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## Result
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Four standalone SurfaceWorld fixtures resolve from the shared stamp vocabulary. They use repeated rooms and basins, a doorway grid, a freestanding stair and arch, and nine stepped ridges. This round authored no inter-strate passages or owner content.
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## Changes
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- Stamp vocabulary v7 adds `fillBox`, `carveBox`, and `fillSteps`; the existing `carveArch` is reused. The new kinds are opt-in.
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- Added a flat-field liminal stamp-fixture override and a capsule walk audit with doorway-width gates. The audit checks support, collision, grade, and authored opening widths.
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- Fixtures contain 275 pool-room stamps, 129 backrooms stamps, 4 staircase/arch stamps, and 18 terrace stamps.
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## Verification
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- Clang 19 and GCC 14 builds passed with FP contraction off. Both binaries carry source stamp `8e9e114c1357`.
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- Each fixture matched across Clang/GCC at W1, W8, and W12: manifest, resolved-layout identity, and tile hashes were identical in all six cells.
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- Positive capsule audits passed. Pool doorways measured 7.2 m, backrooms doorways 4.0 m, and the arch opening 10.0 m. The narrow 1.2 m backrooms control failed the 1.5 m minimum as expected. The terrace walk had zero blocked samples, unsupported samples, or grade failures.
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- All eight 1600×900 captures passed image quality checks; files are 25.3–58.4 KB. Capture and audit logs are under `Saved/Linux/l161/logs/`.
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- Fast tier passed: 273 checks in 346.6 s. Both owner generators matched their pinned L130/v227 canonical baselines exactly (12/12 rows), and W1/W12 signatures matched. Summary: `Saved/Linux/l161/fast-tier/fast-summary.json`.
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- `git diff --check` passed. No Unreal `Source/` files changed; no Unreal build or medium/full verification tier was run.
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## Remaining risk
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The captures show untextured geometry with simple fog. The terraced wide capture uses clip radius 3 and max LOD 1 to stay within the standalone shape-build bound, so the long-range horizon read still needs an art review.
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