render: extract WMO runtime Mesh finalizer

targets/03-renderer-facade.md

@@ -44,6 +44,7 @@ Runtime и Editor используют facade; planner/scheduler тестиру
   `M03-RND-WMO-RENDER-RESOURCE-FINALIZER-001`,
   `M03-RND-WMO-SCENE-RESOURCE-CACHE-001`,
   `M03-RND-WMO-SCENE-RESOURCE-FINALIZER-001`,
+  `M03-RND-WMO-RUNTIME-MESH-FINALIZER-001`,
   `M03-RND-ADT-WATER-LOAD-PIPELINE-001`,
   `M03-RND-ADT-WATER-SCENE-FINALIZER-001`,
   `M03-RND-M2-RUNTIME-REBUILD-CLASSIFIER-001`,
@@ -154,6 +155,13 @@ Runtime и Editor используют facade; planner/scheduler тестиру
   cache/finalizer/queue/planner/registry/resolver/shutdown, facade,
   internal-access `30`, manifest and checkpoint dry-run `7/7`, documentation
   `48` and coordination.
+  WMO runtime Mesh finalizer passed `cases=27 iterations=1000` with null/current/
+  non-ArrayMesh exact identity, refresh-version stamping, null/unmarked surface
+  retention, compact texture indices, exact flags/shader/blend/default and
+  ShaderMaterial colors, builder-result adoption and source boundaries. All 63
+  autonomous headless verifiers passed; internal-access remained `30`,
+  documentation covered `49` module specifications, coordination retained `34`
+  historical expired-claim warnings and checkpoint dry-run kept all `7/7` plans.
   ADT water load pipeline state passed `cases=12 iterations=100
   elapsed_ms=86.170`; its initial direct no-`.godot` run passed (`94.576ms`),
   WMO caches/queue/planner/registry/resolver/material/shutdown and 18 adjacent
@@ -423,6 +431,11 @@ Runtime и Editor используют facade; planner/scheduler тестиру
   request admission remain loader-owned; terminal I/O, `PackedScene` probe,
   WMOBuilder metadata validation and probe release belong to the scene finalizer.
   Rejected non-Node3D probes are now freed without changing fallback or output.
+  Cached WMO runtime material refresh remains version `10`; exact Mesh identity,
+  stale stamping, surface order, compact texture path indices, cached metadata/
+  colors and WMOBuilder output adoption are unchanged. Those rules now belong to
+  the runtime Mesh finalizer while cached-scene/build-job Node traversal, permits,
+  attachment and lifetime remain loader-owned.
   ADT water requests retain FIFO order and tile-key deduplication; tile release
   removes pending requests without cancelling active work, task completion and
   result publication order are unchanged, and the mutex remains limited to the
@@ -503,6 +516,7 @@ Runtime и Editor используют facade; planner/scheduler тестиру
   cached WMO PackedScene/missing/request state and loader file-size/admission/
   reset adapters, plus terminal PackedScene polling/probe/lifetime/publication
   finalizer,
+  WMO runtime Mesh finalizer and four loader Mesh-delegation adapters,
   ADT water pending/task/result pipeline state and loader enqueue/start/publish/
   drain/release/reset/shutdown/metrics adapters,
   stateless ADT water scene finalizer and both loader build/attach adapters,
@@ -563,7 +577,8 @@ Runtime и Editor используют facade; planner/scheduler тестиру
   animation and static Mesh terminal ResourceLoader drains are extracted, while
   action execution, material-prototype lookup and root cleanup remain loader-owned;
   cached-scene WMO FileAccess/size admission, live fallback and group
-  materialization remain in the loader; both WMO terminal I/O paths are separated;
+  materialization remain in the loader; both WMO terminal I/O paths and runtime
+  Mesh material refresh are separated;
   asset-backed WMO placement/portal/material/leak/p95/p99 evidence remains pending;
   ADT water parsing and active worker interruption remain loader-owned;
   materialization is separated but remains synchronous main-thread work behind