docs(M03): accept ADT water scene finalizer

coordination/claims/M03-RND-ADT-WATER-SCENE-FINALIZER-001.md

@@ -81,12 +81,14 @@ the existing `ADTBuilder` geometry/material implementation.
 
 ## Status
 
-- State: ready for integration
+- State: accepted
 - Done: stateless finalizer implemented; both loader water paths migrated;
   synthetic scene/owner regression and required documentation added
-- Next: integrate and run post-merge smoke on master
+- Next: continue liquid parsing/task execution extraction or another remaining M03 boundary
 - Blocked by:
 
+<!-- OPENWC_INTEGRATION:ACCEPTED:M03-RND-ADT-WATER-SCENE-FINALIZER-001:874fd0f -->
+
 ## Handoff
 
 - Commit: `235be3a`
@@ -106,5 +108,9 @@ the existing `ADTBuilder` geometry/material implementation.
   `docs/modules/adt-water-scene-finalizer.md`; water-pipeline spec, module registry,
   world renderer and `RENDER.md`; data-flow/state/sequence/dependency diagrams,
   ownership, main-thread effects, failure/recovery, migration and source map included.
+- Integration: merged as `874fd0f`; post-merge finalizer (`cases=8`,
+  `iterations=100`, `elapsed_ms=0.025`), water pipeline (`98.398ms`), shutdown,
+  renderer materials, facade, internal-access (`private_symbols=36`), `7/7`
+  manifest, documentation and coordination gates passed.
 
 <!-- OPENWC_HANDOFF:READY:M03-RND-ADT-WATER-SCENE-FINALIZER-001:235be3a -->