refactor(runtime): publish canonical entity object deltas

Issue stable Runtime identities at canonical registration, publish entity and inventory commits through one generation-stamped synchronous stream, and make graphical adapters borrow the same direct views and events as a no-window host. Preserve exact projection teardown and retail mutation order while removing App-side event reconstruction.

Make the hard-recenter ordering fixture independent of the production two-millisecond frame budget so its injected-failure gate is deterministic.

Co-authored-by: Codex <codex@openai.com>

src/AcDream.Runtime/GameRuntimeViews.cs

@@ -11,10 +11,7 @@ public readonly record struct RuntimeEntitySnapshot(
     RuntimeEntityIdentity Identity,
     uint CellId,
     uint PhysicsState,
-    Position? Position,
-    bool IsMaterialized,
-    bool IsSpatiallyVisible,
-    bool IsHydrated);
+    Position? Position);
 
 public interface IRuntimeEntityVisitor
 {
@@ -25,8 +22,6 @@ public interface IRuntimeEntityView
 {
     int Count { get; }
 
-    int MaterializedCount { get; }
-
     bool TryGet(uint serverGuid, out RuntimeEntitySnapshot entity);
 
     /// <summary>