feat: Add Clean Image (AI) button to pre-process images before Meshy 3D generation

src/components/ImageTo3DModal.tsx

@@ -5,6 +5,7 @@ import { fal } from '@fal-ai/client';
 import { cn } from '../lib/utils';
 import { useAuthStore } from '../store/authStore';
 import { api } from '../lib/api';
+import { editUVLayer } from '../lib/api/apiUtils';
 import { Canvas } from '@react-three/fiber';
 import { OrbitControls, Stage } from '@react-three/drei';
 import { GLTFLoader } from 'three-stdlib';
@@ -46,7 +47,7 @@ const ModelPreview = ({ url }: { url: string }) => {
 };
 
 export const ImageTo3DModal: React.FC<ImageTo3DModalProps> = ({ isOpen, onClose, onPushToApp }) => {
-  const { profile, setProfile } = useAuthStore();
+  const { profile, setProfile, token } = useAuthStore();
   const [apiProvider, setApiProvider] = useState<'fal' | 'tripo' | 'meshy'>('fal');
   const [apiKey, setApiKey] = useState('');
   const [tripoApiKey, setTripoApiKey] = useState('');
@@ -72,6 +73,7 @@ export const ImageTo3DModal: React.FC<ImageTo3DModalProps> = ({ isOpen, onClose,
   const [progressMessage, setProgressMessage] = useState('');
   const [generatedModelUrl, setGeneratedModelUrl] = useState<string | null>(null);
   const [error, setError] = useState<string | null>(null);
+  const [isCleaningImage, setIsCleaningImage] = useState(false);
   const fileInputRef = useRef<HTMLInputElement>(null);
   const [isValidatingKey, setIsValidatingKey] = useState(false);
   const [keyValidationStatus, setKeyValidationStatus] = useState<'idle' | 'valid' | 'invalid' | 'error'>('idle');
@@ -137,6 +139,29 @@ export const ImageTo3DModal: React.FC<ImageTo3DModalProps> = ({ isOpen, onClose,
     }
   };
 
+  const handleCleanImage = async (e: React.MouseEvent) => {
+    e.preventDefault();
+    e.stopPropagation();
+    if (!imageFile || !token) return;
+    
+    setIsCleaningImage(true);
+    try {
+      const base64 = await fileToDataUrl(imageFile);
+      const newUrl = await editUVLayer("Remove all text, labels, and logos from this object, leaving a clean plain surface of the exact same shape.", base64, token);
+      
+      const res = await fetch(newUrl);
+      const blob = await res.blob();
+      const newFile = new File([blob], "cleaned-image.png", { type: "image/png" });
+      
+      setImageFile(newFile);
+      setImagePreview(newUrl);
+    } catch (err: any) {
+      alert("Failed to clean image: " + err.message);
+    } finally {
+      setIsCleaningImage(false);
+    }
+  };
+
   // Utility to convert file to data URL for Fal API if needed
   const fileToDataUrl = (file: File): Promise<string> => {
     return new Promise((resolve, reject) => {
@@ -453,8 +478,16 @@ export const ImageTo3DModal: React.FC<ImageTo3DModalProps> = ({ isOpen, onClose,
                       {imagePreview ? (
                         <>
                           <img src={imagePreview} alt="Preview" className="absolute inset-0 w-full h-full object-contain p-2" />
-                          <div className="absolute inset-0 bg-black/50 opacity-0 group-hover:opacity-100 flex items-center justify-center transition-opacity">
+                          <div className="absolute inset-0 bg-black/50 opacity-0 group-hover:opacity-100 flex flex-col items-center justify-center gap-3 transition-opacity">
                             <span className="text-white text-xs font-medium flex items-center gap-2"><Upload size={14}/> Change Image</span>
+                            <button 
+                              onClick={handleCleanImage}
+                              disabled={isCleaningImage}
+                              className="px-3 py-1.5 bg-blue-600 hover:bg-blue-500 disabled:opacity-50 text-white rounded text-xs font-bold flex items-center gap-2 transition-colors shadow-lg shadow-black/50"
+                            >
+                              {isCleaningImage ? <Loader2 size={12} className="animate-spin" /> : null}
+                              Clean Image (AI)
+                            </button>
                           </div>
                           <button
                             onClick={(e) => {