feat(F-135): completed feature

work/artifacts/F-135/qa.json

@@ -0,0 +1,21 @@
+{
+  "verdict": "APPROVED",
+  "reviewer": "qa",
+  "feature_id": "F-135",
+  "summary": "Verificación: build OK, drag-drop funciona en pending con auto-upload.",
+  "checks": [
+    "tsc --noEmit exit 0",
+    "npm run build exit 0",
+    "Pending drop zone tiene onDragOver, onDragLeave, onDrop",
+    "dragOver state cambia color al arrastrar",
+    "Pending files caption aparece cuando pendingFiles.length > 0",
+    "useEffect con prevProductIdRef dispara upload solo en transición undefined → UUID",
+    "Multiple files: Array.from(files).filter(image/*) + for await serie",
+    "Reuso de uploadFile existente"
+  ],
+  "evidence_files": [
+    "apps/admin/src/features/products/components/sections/ImagesSection.tsx"
+  ],
+  "notes": "Tras restart, arrastrar imágenes en /products/new las encola y se suben al pulsar Crear producto.",
+  "reviewed_at": "2026-08-21T16:48:00Z"
+}