skip: sound whole-tile proofs for legacy FI/TN/VS fields (L74); FI -30%, TN -22%

The compiled-analytic stratum interval now certifies a legacy tile uniform only when it stays
beyond the detail envelope (and smooth-min slack for solid) with no intersecting primitive,
edit, native field, composer candidate, passage or active transition; everything else fails
closed. The stream layer uses the proof for whole-tile skips; legacy sub-tile skips stay off
(two block proofs failed the falsifier in TN).

Falsifier: full-grid reference vs skip-enabled run, identical mesh/payload/topology hashes on
every tile of all four owner views, Clang and GCC, W1/W8/W12; 20-camera sweep per strate,
0 violations; a too-tight control changed 3/184/233/238 tiles and was caught.
Whole view (8 workers): SW 2.61->2.48, FI 7.18->5.05, TN 5.97->4.63, VS 2.70->2.40 s.

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

Standalone/Tools/verify/baselines/owner-hash/canonical/owner-hash-floating-islands-style2-l74-fullgrid.baseline

@@ -0,0 +1,12 @@
+[PipelineFullDetailHash] tiles=960 density=0x1feaa7bd5d80b60d mesh=0xa818654be89790ac payload=0x370ff80451105a39 topology=0x06e507557aa70173
+[PipelineWholeViewHash] tiles=2370 density=0xf5997fef9d03f05a mesh=0x937b616fe3c0bdc2 payload=0x230c904a12575f05 topology=0x6284613657ddb7fe
+[PipelineLODHash] lod=0 tiles=512 density=0xb0c26196ce95ab76 mesh=0x50478cff1c1f8ca0 payload=0x54e48e57e0af26de topology=0x860c011cfdb9833a
+[PipelineLODHash] lod=1 tiles=448 density=0x64bb55bd41e9fd42 mesh=0x17e89b7087bfe711 payload=0x2389c109eb780db6 topology=0x7eccd4cf560d0630
+[PipelineLODHash] lod=2 tiles=320 density=0x1edcfc338a395eaf mesh=0xc647d1e056e370cd payload=0xf81bba773df803ee topology=0xac68f4c0b6647735
+[PipelineLODHash] lod=3 tiles=208 density=0x580ede5c492925c7 mesh=0x30aeb3422a9382ef payload=0xb09b16ae1d40ac0d topology=0xd85e165b364261b5
+[PipelineLODHash] lod=4 tiles=240 density=0xfb11591772a3d18e mesh=0xebf2baee8764591b payload=0xe491d7ac9c0061ad topology=0xd618ac33b95ce494
+[PipelineLODHash] lod=5 tiles=144 density=0x2f8b7b7fb1e67258 mesh=0x4cd508cbe97344fd payload=0x2b6e96a6050458c9 topology=0x4ff6d0eda8988573
+[PipelineLODHash] lod=6 tiles=96 density=0x0114a34c8b8d6113 mesh=0xb1fec4d01ae1fa44 payload=0x3e50cfd429b8e950 topology=0x08090c96d15c1618
+[PipelineLODHash] lod=7 tiles=96 density=0x3836ed8cfce73418 mesh=0x40bc6589c5fc1aac payload=0x677349bcae16790f topology=0x36e3aa53192e6a6b
+[PipelineLODHash] lod=8 tiles=306 density=0x144f3c1fd722708b mesh=0xef77b28bf7fd9453 payload=0xe3f47b37fcd61489 topology=0x5a3c73e295494e04
+[PipelineExactQueryHash] probes=9 density=0x7b7c50ac24ccadcc unclamped=0x7b7c50ac24ccadcc detail=0xefcba20c0c70c415 collision=0xe604823a249029bf path=direct-Core-queries

Standalone/Tools/verify/verify.py

@@ -125,8 +125,10 @@ def owner_hash_baseline(recipe: str, style: int) -> tuple[Path, str]:
         return (BASELINES / "owner-hash/canonical/owner-hash-surface-world-style1-v212.baseline",
                 "L67-v212")
     if recipe == "floating-islands" and style == 2:
-        return (BASELINES / "owner-hash/canonical/owner-hash-floating-islands-style2-v214.baseline",
-                "L70-v214")
+        # L74 disables a legacy sub-tile shortcut after its falsifier found false solids.
+        # Keep the old fixture intact and pin the restored full-grid density signature.
+        return (BASELINES / "owner-hash/canonical/owner-hash-floating-islands-style2-l74-fullgrid.baseline",
+                "L74-full-grid")
     raise VerificationFailure(f"no pinned owner hash baseline for {recipe} style {style}")