fix: automatically re-apply baked UV projections on model reload

src/components/ModelViewer.tsx

@@ -3,6 +3,7 @@ import * as THREE from "three";
 import { useFrame, useThree, createPortal } from "@react-three/fiber";
 import { MaterialFactory } from "../materials/MaterialFactory";
 import { useTexturePipeline } from "../hooks/useTexturePipeline";
+import { reprojectUVs, bakeTextureToNewUVs } from '../lib/bakingUtils';
 
 interface ModelViewerProps {
   object: THREE.Object3D | null;
@@ -27,6 +28,12 @@ const MeshMaterialManager = ({ mesh, sceneObj, textureCache }: MeshMaterialManag
     const uvTiling = props.uvTiling || [1, 1];
     const uvOffset = props.uvOffset || [0, 0];
     const uvRotation = props.uvRotation || 0;
+    const bakedMappingType = props.bakedMappingType;
+
+    // Automatically re-apply baked UV projections on load
+    if (bakedMappingType && ['planar', 'cylinder', 'sphere', 'box'].includes(bakedMappingType)) {
+      reprojectUVs(mesh.geometry, bakedMappingType as any);
+    }
 
     const origMat = (Array.isArray(mesh.material) ? mesh.material[0] : mesh.material) as THREE.MeshPhysicalMaterial;
 
@@ -213,7 +220,7 @@ const FillMesh = ({ fillProps, originalMesh }: { fillProps: any, originalMesh: T
   return createPortal(fillNode, originalMesh);
 };
 
-import { reprojectUVs, bakeTextureToNewUVs } from '../lib/bakingUtils';
+
 
 export const ModelViewer = forwardRef<THREE.Group, ModelViewerProps>(({ object, sceneObjects, bakeRequest, onBakeComplete }, ref) => {
   const internalRef = useRef<THREE.Group>(null);

src/pages/Editor.tsx

@@ -2540,9 +2540,13 @@ export default function Editor() {
                 sceneObjects={sceneObjects} 
                 bakeRequest={bakeRequest}
                 onBakeComplete={(dataUrl) => {
-                  if (bakeRequest) {
-                    updateObjectMaterial(bakeRequest.id, { map: dataUrl, mappingType: 'uv' });
-                  }
+                    if (bakeRequest) {
+                      updateObjectMaterial(bakeRequest.id, { 
+                        map: dataUrl, 
+                        mappingType: 'uv',
+                        bakedMappingType: bakeRequest.type
+                      });
+                    }
                   setBakeRequest(null);
                 }}
               />