passages: exact density-aware outer bound skips passage work beyond its reach (L81, v214)

The carve is max(source, -roughSDF/Q), so its reach grows with -source; the outer test uses
-d*Q + 0.24 m (wall relief 0.21 + margin) beyond the route radius, disabled in mouth-support
and column-overlap tiles. Skips 16% of passage iterations on the highest-activity tiles and
all of them on ordinary tiles. 84 candidate/full pairs identical in every hash; 0 changed samples.
Evaluator 214 for cache invalidation only. Cold LOD0-2 (L80 protocol): SW 1.30->1.25,
FI 3.59->2.93, TN 3.18->3.51 (noise?), VS 1.33->1.22 s. Fast tier PASS.

Note: the export's legacy 26-point root route owner_world.passages[0] fails a full-view
pre-audit (65 solid samples, unchanged since L70); the canonical 211-point route used by the
plan passes. Stale data to clean up.

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

Standalone/Research/WorldAssemblerM3/Linux81/RunL81OwnerPassageAudits.py

@@ -0,0 +1,63 @@
+#!/usr/bin/env python3
+"""Run the resolved owner passage audit for both owner recipes."""
+from __future__ import annotations
+
+import json
+import re
+import subprocess
+import time
+from pathlib import Path
+
+ROOT = Path(__file__).resolve().parents[4]
+OUT = ROOT / "Saved/Linux/l81/audits"
+DATA = ROOT / "Standalone/data/owner_world.json"
+BINARY = ROOT / "Saved/Linux/l81/bin/VoxelForgeCoreHeadless-l81-clang"
+RECIPE = re.compile(r"^\[WorldAssemblerRecipeAudit\] requested=([^ ]+) actual=([^ ]+).*status=PASS$", re.M)
+PASSAGE = re.compile(r"^\[ResolvedPassageAudit\].*walkability=PASS$", re.M)
+MOUTH = re.compile(r"^\[PassageMouthProfileAudit\].*status=PASS$", re.M)
+SUMMARY = re.compile(r"^\[ResolvedPassageAuditSummary\].*status=PASS$", re.M)
+
+
+def run(recipe: str) -> dict:
+    OUT.mkdir(parents=True, exist_ok=True)
+    log = OUT / f"owner-{recipe}.log"
+    command = [
+        "taskset", "-c", "0-11", "prlimit", "--as=6442450944", "--",
+        "env", "VOXELFORGE_L81_PASSAGE_BOUND_PADDING_VOXELS=0", "timeout", "1740s",
+        str(BINARY), str(DATA), "--workers=12", "--world-assembler-prototype",
+        "--stream-benchmark", "--stream-pipeline", "--force-generate", "--clip-radius=3",
+        "--max-clip-level=8", "--max-level=-1", f"--recipe={recipe}",
+        "--audit-resolved-layout-passages",
+    ]
+    start = time.monotonic()
+    try:
+        with log.open("w", encoding="utf-8") as stream:
+            proc = subprocess.run(command, cwd=ROOT, stdout=stream,
+                                  stderr=subprocess.STDOUT, check=False, timeout=1740)
+    except subprocess.TimeoutExpired as exc:
+        raise RuntimeError(f"passage audit exceeded 1,740 seconds: {log}") from exc
+    content = log.read_text(encoding="utf-8", errors="replace")
+    passages = len(PASSAGE.findall(content))
+    mouths = len(MOUTH.findall(content))
+    passed = (proc.returncode == 0 and RECIPE.findall(content) == [(recipe, recipe)]
+              and passages >= 1 and mouths == passages and SUMMARY.search(content) is not None)
+    row = {"recipe": recipe, "exit_code": proc.returncode, "passages": passages,
+           "mouth_profiles": mouths, "status": "PASS" if passed else "FAIL",
+           "wall_s": round(time.monotonic() - start, 3), "log": str(log.relative_to(ROOT))}
+    print("[L81PassageAuditRun] " + json.dumps(row, sort_keys=True), flush=True)
+    if not passed:
+        raise RuntimeError(f"owner passage audit failed: {log}")
+    return row
+
+
+def main() -> int:
+    if not BINARY.is_file() or not DATA.is_file():
+        raise SystemExit(f"missing input: {BINARY} or {DATA}")
+    rows = [run(recipe) for recipe in ("surface-world", "floating-islands")]
+    (OUT / "summary.json").write_text(json.dumps(rows, indent=2) + "\n",
+                                      encoding="utf-8")
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())