docs(M03): accept M2 animation playback

coordination/claims/M03-RND-M2-ANIMATION-PLAYBACK-001.md

@@ -77,9 +77,9 @@ mutation and native animator data/start behavior from `StreamingWorldLoader`.
 
 ## Status
 
-- State: ready for integration
+- State: accepted
 - Done: playback controller, loader adapters, verifier and required documentation
-- Next: integrate on master and run post-merge acceptance gates
+- Next: extract animated M2 instance/batch materialization
 - Blocked by:
 
 ## Handoff
@@ -99,3 +99,12 @@ mutation and native animator data/start behavior from `StreamingWorldLoader`.
   renderer specs, module registry and `RENDER.md`.
 
 <!-- OPENWC_HANDOFF:READY:M03-RND-M2-ANIMATION-PLAYBACK-001:9b73571 -->
+
+## Integration
+
+- Merge commit: `c0fc191`
+- Post-merge results: playback `cases=15 iterations=20000 elapsed_ms=23.008`;
+  animated finalizer/pipeline, prototype, build, shutdown, materials, facade,
+  internal-access `30`, manifest `7/7`, documentation and coordination passed.
+
+<!-- OPENWC_INTEGRATION:ACCEPTED:M03-RND-M2-ANIMATION-PLAYBACK-001:c0fc191 -->