feat(srp): add render queue range authoring

- add a core RenderQueueRange helper for managed scene draw filtering
- let FilteringSettings and RenderObjectsRendererFeature consume queue ranges directly
- wire the new authoring path into probes and project-side usage

managed/XCEngine.ScriptCore/Rendering/Core/RenderQueueRange.cs

@@ -0,0 +1,33 @@
+namespace XCEngine.Rendering
+{
+    public struct RenderQueueRange
+    {
+        private const int kTransparentRenderQueue = 3000;
+
+        public int lowerBound;
+        public int upperBound;
+
+        public RenderQueueRange(
+            int lowerBound,
+            int upperBound)
+        {
+            this.lowerBound = lowerBound;
+            this.upperBound = upperBound;
+        }
+
+        public static RenderQueueRange All =>
+            new RenderQueueRange(
+                int.MinValue,
+                int.MaxValue);
+
+        public static RenderQueueRange Opaque =>
+            new RenderQueueRange(
+                int.MinValue,
+                kTransparentRenderQueue - 1);
+
+        public static RenderQueueRange Transparent =>
+            new RenderQueueRange(
+                kTransparentRenderQueue,
+                int.MaxValue);
+    }
+}