fix(portal): synchronize destination presentation state

src/AcDream.App/Rendering/Wb/IWbMeshAdapter.cs

@@ -9,4 +9,19 @@ public interface IWbMeshAdapter
 {
     void IncrementRefCount(ulong id);
     void DecrementRefCount(ulong id);
+
+    /// <summary>
+    /// Pins render data whose CPU preparation is owned by a specialized
+    /// pipeline (for example synthetic EnvCell geometry). Unlike ordinary
+    /// registration, production implementations must not start a generic
+    /// GfxObj decode for this id.
+    /// </summary>
+    void PinPreparedRenderData(ulong id) => IncrementRefCount(id);
+
+    /// <summary>
+    /// True once the mesh has crossed the render-thread upload barrier and is
+    /// available to draw. The default keeps lifecycle-only test doubles
+    /// source-compatible; production adapters override it.
+    /// </summary>
+    bool IsRenderDataReady(ulong id) => true;
 }