Update frontend/src/components/ocr/DocumentPreview.jsx

frontend/src/components/ocr/DocumentPreview.jsx

@@ -3,7 +3,7 @@ import { motion } from "framer-motion";
 import { FileText, ZoomIn, ZoomOut, RotateCw } from "lucide-react";
 import { Button } from "@/components/ui/button";
 
-export default function DocumentPreview({ file, isProcessing }) {
+export default function DocumentPreview({ file, isProcessing, isFromHistory = false }) {
   const [previewUrls, setPreviewUrls] = useState([]);
   const [zoom, setZoom] = useState(100);
   const [rotation, setRotation] = useState(0);
@@ -185,7 +185,11 @@ export default function DocumentPreview({ file, isProcessing }) {
                   />
                 ) : (
                   <div className="p-8 text-center">
-                    <p className="text-slate-400 text-sm">Unable to load preview</p>
+                    <p className="text-slate-400 text-sm">
+                      {isFromHistory 
+                        ? "Original document not available for historical extractions" 
+                        : "Unable to load preview"}
+                    </p>
                   </div>
                 )}