chore: add debug logs for texture extraction

src/pages/Editor.tsx

@@ -265,16 +265,27 @@ const ShadowFloor = ({ bounds, opacity, rotation, softness }: { bounds: any, opa
 };
 
 export const extractTextureUrl = (texture: any) => {
+  console.log('[DEBUG] extractTextureUrl called with:', texture);
   if (!texture) return undefined;
+  
   const img = texture.image || (texture.source && texture.source.data);
+  console.log('[DEBUG] extractTextureUrl found img:', img, 'type:', img ? img.constructor.name : 'null');
+  
   if (!img) return undefined;
   
   // If we have a stable URL that isn't a blob, return it directly
-  if (typeof img.src === 'string' && img.src.length > 0 && !img.src.startsWith('blob:')) return img.src;
-  if (typeof img.currentSrc === 'string' && img.currentSrc.length > 0 && !img.currentSrc.startsWith('blob:')) return img.currentSrc;
+  if (typeof img.src === 'string' && img.src.length > 0 && !img.src.startsWith('blob:')) {
+    console.log('[DEBUG] extractTextureUrl returning img.src:', img.src);
+    return img.src;
+  }
+  if (typeof img.currentSrc === 'string' && img.currentSrc.length > 0 && !img.currentSrc.startsWith('blob:')) {
+    console.log('[DEBUG] extractTextureUrl returning img.currentSrc:', img.currentSrc);
+    return img.currentSrc;
+  }
   
   // Fallback: draw ImageBitmap or HTMLImageElement to canvas to extract data URL
   // We MUST do this for blob: URLs because GLTFLoader revokes blob URLs after loading!
+  console.log('[DEBUG] extractTextureUrl falling back to canvas extraction for', img.src || 'ImageBitmap/Blob');
   try {
     const MAX = 1024;
     let scale = 1;
@@ -283,6 +294,7 @@ export const extractTextureUrl = (texture: any) => {
     }
     const cw = Math.round((img.width || 1024) * scale);
     const ch = Math.round((img.height || 1024) * scale);
+    console.log(`[DEBUG] Canvas dimensions: ${cw}x${ch}`);
     
     const canvas = document.createElement('canvas');
     canvas.width = cw;
@@ -290,14 +302,17 @@ export const extractTextureUrl = (texture: any) => {
     const ctx = canvas.getContext('2d');
     if (ctx) {
       ctx.drawImage(img, 0, 0, cw, ch);
-      return canvas.toDataURL('image/webp', 0.8);
+      const dataUrl = canvas.toDataURL('image/webp', 0.8);
+      console.log(`[DEBUG] Successfully generated dataUrl of length: ${dataUrl.length}`);
+      return dataUrl;
     }
   } catch (e) {
-    console.error('Error extracting texture URL:', e);
+    console.error('[DEBUG] Error extracting texture URL:', e);
   }
   return undefined;
 };
 
+
 export const extractMaterialProps = (material: any): Partial<MaterialProps> => {
   if (!material) return {};
   const mProps: Partial<MaterialProps> = {};