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Fr0zkaandClaude Opus 5.5 16554cd426 passages: XY-smooth spline with planned height profile + open-air half-pipe (L112, v219)

Dense centripetal spline in XY, height piecewise-linear on the planner's certified profile,
radius/floor depth blended; open air = floor slab + 1 m side walls, no roof; audits sample the
generated centreline. All walk audits pass (grades <= 15 deg, headroom, shell, mouths, ripple);
Clang/GCC W1/W8/W12 deterministic; fast tier PASS; Linux UE builds. Chevron rings gone.
Open issues: jagged spikes along the half-pipe wall tops, visible step lines on the trough
floor; near-ready +7..+10% vs L109 (candidate list p95 4 -> 22). Not merged.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_016dhxM43dnWvUu2B5Ph1iG1

2026-10-29 20:39:20 +01:00

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Linux 112 — horizontal spline, planned floor profile

Shape and audits

The passage now follows a dense centripetal spline in XY. Height stays piecewise linear on the planner's horizontal arc-length profile; radius and floor depth blend smoothly. Open-air sections have a floor slab and 1 m side walls, with no roof, and passage interiors take priority over shells. Version is v219; source stamp is c31c8baca8f8308dca62edc6d286c8e84a8214ede7ca444fdaf337ae743ccee1.

The audit samples the same generated centreline. No walkability thresholds were loosened: the grade limit remains 15°, headroom remains 0.30 m for Caves and 2.20 m for Lattice, and the shell, mouth, naturalness, and ripple gates remain in place. The owner route has zero blocked, unsupported, or grade-failure samples. The native Caves route passes at 15.000° maximum grade and 0.300 m minimum headroom; native Lattice passes with zero support failures at 10.028° maximum grade and 2.200 m headroom. All three passage interfaces pass shell, mouth, naturalness, and ripple audits. The FI blocked control at passage/1-2 remains detected (16,380 blocked capsule samples); all three blocked controls were detected.

The native Caves field owns its corridor so the transition shell cannot clip it; the passage interior still opens within its own stratum. Lattice's authored support below the floor remains solid. These preserve the same walkability and support requirements.

Captures

Capture index: 110 images verified (60 L109 before, 50 L112 after), covering mouths, 25/50/75% stations, and every open-air section. This includes 32 verified 4 m close-ups (18 before, 14 after) of the outside and interior walls. For the close-ups, the nominal route target snaps to a nearby mesh triangle; the camera remains 4.00 m from the mesh within 0.02 m, with wall-normal alignment at least 0.25.

Readiness

Five interleaved L80 pairs per cell, all four strata, W8 and W12. Values are median seconds, L109 binary → L112 binary; near is LOD0–2 ready and whole is whole-view ready.

Stratum	W8 near	W8 whole	W12 near	W12 whole
SW	0.779 → 0.822	1.837 → 1.826	0.802 → 0.845	1.768 → 1.835
FI	0.972 → 1.063	1.935 → 2.022	0.924 → 0.992	1.792 → 1.884
TN	1.021 → 1.092	1.869 → 1.970	0.931 → 1.023	1.758 → 1.866
VS	0.832 → 0.921	1.764 → 1.827	0.783 → 0.861	1.666 → 1.741

L109's prior report recorded W12 near-ready at 0.863 s for FI and 0.895 s for TN. In this matrix the L109 binary remeasured at 0.924 s and 0.931 s; L112 measured 0.992 s and 1.023 s. That is +7.4% and +9.9% against the matched rerun, or +15.0% and +14.3% against the prior report values.

Candidate lists

Feature and route-segment lists have the same counts. Each cell shows L109 → L112; totals are candidates across profiled tiles.

Stratum	Profiled tiles	Total candidates	p95 per tile	Maximum per tile
SW	1,763 → 1,742	583 → 4,216	3 → 18	21 → 185
FI	1,590 → 1,573	1,036 → 7,068	4 → 22	47 → 420
TN	1,492 → 1,480	869 → 4,784	4 → 22	23 → 116
VS	1,660 → 1,660	644 → 3,133	4 → 18	16 → 82

Verification

Fast tier: PASS, 264 checks.
Clang/GCC W1/W8/W12 determinism: all 18 runs passed; hashes match within each configuration.
Linux VFHostEditor build: succeeded with -NoUBA -MaxParallelActions=4 after timing.
No commit was created.

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