diff --git a/src/devkit/MacroDriver.tsx b/src/devkit/MacroDriver.tsx
new file mode 100644
index 0000000..88505a4
--- /dev/null
+++ b/src/devkit/MacroDriver.tsx
@@ -0,0 +1,11 @@
+/**
+ * DEVKIT — Drives macro recording/playback inside the R3F frame loop.
+ * Mounted inside <Canvas>. No visual output.
+ */
+import { useFrame } from '@react-three/fiber';
+import { tickMacro } from './macroStore';
+
+export function MacroDriver() {
+  useFrame(() => { tickMacro(); });
+  return null;
+}