feat: add reprocess button to re-run AI background removal on image cards

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/app/(dashboard)/images/page.tsx

@@ -10,7 +10,7 @@ import { useImages } from '@/hooks/useImages'
 import type { ImageItem } from '@/types/images'
 
 function ImagesPageInner() {
-  const { items, addFiles, setFeather, setAlphaThreshold, rotate, uploadOne, uploadAll, removeItem, assignProduct } = useImages()
+  const { items, addFiles, setFeather, setAlphaThreshold, rotate, uploadOne, uploadAll, removeItem, assignProduct, reprocess } = useImages()
   const [lightboxItem, setLightboxItem] = useState<ImageItem | null>(null)
 
   return (
@@ -44,6 +44,7 @@ function ImagesPageInner() {
                 onRemove={removeItem}
                 onOpenLightbox={setLightboxItem}
                 onAssignProduct={assignProduct}
+                onReprocess={reprocess}
               />
             ))}
           </div>

src/components/images/ImageCard.tsx

@@ -11,6 +11,7 @@ interface ImageCardProps {
   onRemove: (id: string) => void
   onOpenLightbox: (item: ImageItem) => void
   onAssignProduct: (id: string, shopifyProductId: string, shopifyProductTitle: string) => void
+  onReprocess: (id: string) => void
 }
 
 const STATUS_LABELS: Record<string, { label: string; color: string }> = {
@@ -101,6 +102,7 @@ export function ImageCard({
   onRemove,
   onOpenLightbox,
   onAssignProduct,
+  onReprocess,
 }: ImageCardProps) {
   const statusInfo = STATUS_LABELS[item.status] ?? { label: item.status, color: 'text-slate-400' }
   const isProcessing = ['pending', 'converting', 'processing', 'searching', 'uploading'].includes(item.status)
@@ -201,6 +203,15 @@ export function ImageCard({
               ⬆️ Uploader
             </button>
           )}
+          {(item.status === 'ready' || item.status === 'uploaded' || item.status === 'skipped' || item.status === 'error' || item.status === 'not_found') && item.rawPngBlob && (
+            <button
+              onClick={() => onReprocess(item.id)}
+              title="Relancer le détourage IA"
+              className="py-1.5 px-2 text-xs bg-slate-800 hover:bg-amber-900 text-slate-400 hover:text-amber-300 rounded"
+            >
+              🔄
+            </button>
+          )}
           {item.status === 'uploaded' && item.uploadedUrl && (
             <a
               href={item.uploadedUrl}

src/hooks/useImages.ts

@@ -328,5 +328,16 @@ export function useImages() {
     [update],
   )
 
-  return { items, addFiles, setFeather, setAlphaThreshold, rotate, uploadOne, uploadAll, removeItem, assignProduct }
+  const reprocess = useCallback(
+    (id: string) => {
+      const item = items.find((i) => i.id === id)
+      if (!item) return
+      queueRef.current.enqueue(() =>
+        runPipeline(item.id, item.originalBlob, item.ref, item.feather, item.rotation, item.alphaThreshold)
+      )
+    },
+    [items, runPipeline],
+  )
+
+  return { items, addFiles, setFeather, setAlphaThreshold, rotate, uploadOne, uploadAll, removeItem, assignProduct, reprocess }
 }