Core Game Loop Additions

Assets/_Project/Scripts/Simulation/World/CycleDirectorSpawner.cs

@@ -0,0 +1,16 @@
+using Unity.Entities;
+
+namespace ProjectM.Simulation
+{
+    /// <summary>
+    /// Singleton baked into the gameplay subscene holding the cycle-director ghost prefab. A one-shot server
+    /// system (<c>CycleDirectorSpawnSystem</c>) instantiates the prefab — the GLOBAL <see cref="CycleState"/>
+    /// + shared resource-ledger ghost — exactly once, then destroys this singleton. Mirrors
+    /// <see cref="StorageSpawner"/>. Carries no transform; only the prefab needs one.
+    /// </summary>
+    public struct CycleDirectorSpawner : IComponentData
+    {
+        /// <summary>Baked cycle-director ghost prefab to instantiate.</summary>
+        public Entity Prefab;
+    }
+}