feat(map): generate path tiles from terrain colors

src/hooks/world/useTerrainSurfaceData.ts

@@ -40,6 +40,8 @@ function createTerrainSurfaceBounds(
   return {
     minX: box.min.x,
     maxX: box.max.x,
+    minY: box.min.y,
+    maxY: box.max.y,
     minZ: box.min.z,
     maxZ: box.max.z,
   };
@@ -58,6 +60,7 @@ export function useTerrainSurfaceData(): TerrainSurfaceData | null {
     return {
       bounds: createTerrainSurfaceBounds(scene),
       imageData,
+      raycastTarget: scene,
     };
   }, [scene]);
 }