remove fallback (this shouldn't be needed)

apps/editor/components/editor/grid.tsx

@@ -1,6 +1,6 @@
 'use client'
 
-import { sceneRegistry, useScene } from '@pascal-app/core'
+import { sceneRegistry } from '@pascal-app/core'
 import { useViewer } from '@pascal-app/viewer'
 
 import { useFrame } from '@react-three/fiber'
@@ -106,17 +106,6 @@ export const Grid = ({
       const levelMesh = sceneRegistry.nodes.get(currentLevelId)
       if (levelMesh) {
         targetY = levelMesh.position.y
-      } else {
-        // Fallback: compute from level node data when mesh isn't registered yet
-        const levelNode = useScene.getState().nodes[currentLevelId]
-        if (levelNode && 'level' in levelNode) {
-          const levelMode = useViewer.getState().levelMode
-          const LEVEL_HEIGHT = 2.5
-          const EXPLODED_GAP = 5
-          targetY =
-            ((levelNode as any).level || 0) *
-            (LEVEL_HEIGHT + (levelMode === 'exploded' ? EXPLODED_GAP : 0))
-        }
       }
     }
     const newY = MathUtils.lerp(gridRef.current.position.y, targetY, 12 * delta)