fix(interaction): bind selection to live incarnations

Carry local WorldEntity identity through render hits, lighting pulses, and deferred movement actions so GUID reuse cannot target a replacement. Reset all session-owned selection and ItemHolder state and prevent combat auto-target during teardown.

src/AcDream.App/World/LiveEntityRuntime.cs

@@ -964,6 +964,46 @@ public sealed class LiveEntityRuntime
         out WorldEntity entity) =>
         _visibleWorldEntitiesByGuid.TryGetValue(serverGuid, out entity!);
 
+    public bool TryGetInteractionEligibleRecord(
+        uint serverGuid,
+        out LiveEntityRecord record)
+    {
+        if (_recordsByGuid.TryGetValue(serverGuid, out LiveEntityRecord? found)
+            && found.WorldEntity is { } entity
+            && _visibleWorldEntitiesByGuid.TryGetValue(serverGuid, out WorldEntity? visible)
+            && ReferenceEquals(entity, visible))
+        {
+            record = found;
+            return true;
+        }
+
+        record = null!;
+        return false;
+    }
+
+    /// <summary>
+    /// Resolves a render-published interaction candidate only while the same
+    /// logical WorldEntity incarnation still owns the server GUID. A stale
+    /// frame must never retarget a replacement which reused that GUID.
+    /// </summary>
+    public bool TryGetInteractionEligibleRecord(
+        uint serverGuid,
+        uint localEntityId,
+        out LiveEntityRecord record)
+    {
+        if (serverGuid != 0u
+            && localEntityId != 0u
+            && TryGetInteractionEligibleRecord(serverGuid, out LiveEntityRecord found)
+            && found.WorldEntity!.Id == localEntityId)
+        {
+            record = found;
+            return true;
+        }
+
+        record = null!;
+        return false;
+    }
+
     public bool ContainsWorldEntity(uint serverGuid) =>
         _recordsByGuid.TryGetValue(serverGuid, out LiveEntityRecord? record)
         && record.WorldEntity is not null;