fix: update image download link to use the original URL and enhance modal metadata styling

src/app.js

@@ -972,7 +972,7 @@ function downloadImageByIndex(index) {
     if (!image) return;
 
     const link = document.createElement('a');
-    link.href = sanitizeImageUrl(image.url);
+    link.href = image.url;
     const timestamp = new Date(image.createdAt).toISOString().replace(/[:.]/g, '-');
     link.download = `imagen-${timestamp}.png`;
     document.body.appendChild(link);

src/styles.css

@@ -948,12 +948,22 @@ body {
     padding: 16px;
     font-size: 0.85rem;
     color: var(--text-secondary);
+    max-height: 200px;
+    overflow-y: auto;
 }
 
 .modal-metadata p {
     margin-bottom: 8px;
 }
 
+.modal-metadata p:first-child {
+    display: -webkit-box;
+    -webkit-line-clamp: 4;
+    line-clamp: 4;
+    -webkit-box-orient: vertical;
+    overflow: hidden;
+}
+
 .modal-metadata p:last-child {
     margin-bottom: 0;
 }