refactor: tighten project structure and strengthen tooling

src/utils/debug/scene/DebugCameraControls.tsx

@@ -0,0 +1,13 @@
+import { OrbitControls } from "@react-three/drei";
+
+export function DebugCameraControls(): React.JSX.Element {
+  return (
+    <OrbitControls
+      enableDamping
+      dampingFactor={0.05}
+      minDistance={100}
+      maxDistance={1000}
+      target={[0, 1.75, 0]}
+    />
+  );
+}