Run Re-Do

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

@@ -0,0 +1,16 @@
+using Unity.NetCode;
+
+namespace ProjectM.Simulation
+{
+    /// <summary>
+    /// Client → server ready-check toggle — an explicit SET (not a flip), so a duplicated/late RPC is idempotent.
+    /// UNCONDITIONAL wire type (never #if — the reflection-built RpcCollection hash must match across peers; only
+    /// send/receive SYSTEMS may be gated). Blittable scalar payload per the project RPC rules. Handled by
+    /// <c>ReadyToggleSystem</c> (Staging/Launching only).
+    /// </summary>
+    public struct ReadyToggleRequest : IRpcCommand
+    {
+        /// <summary>1 = ready, 0 = not ready.</summary>
+        public byte Ready;
+    }
+}