fix(media): keep sticker and gif clicks out of photo viewer

web/src/components/MessageList.tsx

@@ -1066,11 +1066,17 @@ function renderMessageContent(
     }
     if (mediaItems.length === 1) {
       const item = mediaItems[0];
+      const blockViewerOpen = isStickerOrGifMedia(item.url);
       return (
         <div className="space-y-1.5">
           <button
             className="relative block overflow-hidden rounded-xl bg-slate-950/30"
-            onClick={() => opts.onOpenMedia(item.url, item.type)}
+            onClick={() => {
+              if (blockViewerOpen) {
+                return;
+              }
+              opts.onOpenMedia(item.url, item.type);
+            }}
             onContextMenu={(event) => {
               event.stopPropagation();
               opts.onAttachmentContextMenu(event, item.url);
@@ -1098,11 +1104,17 @@ function renderMessageContent(
         <div className={`grid gap-1.5 rounded-xl ${gridClass}`}>
           {mediaItems.slice(0, 6).map((item, index) => {
             const tileClass = getMediaTileClass(mediaItems.length, index);
+            const blockViewerOpen = isStickerOrGifMedia(item.url);
             return (
               <button
                 className={`relative overflow-hidden rounded-lg bg-slate-950/30 ${tileClass}`}
                 key={`${item.url}-${index}`}
-                onClick={() => opts.onOpenMedia(item.url, item.type)}
+                onClick={() => {
+                  if (blockViewerOpen) {
+                    return;
+                  }
+                  opts.onOpenMedia(item.url, item.type);
+                }}
                 onContextMenu={(event) => {
                   event.stopPropagation();
                   opts.onAttachmentContextMenu(event, item.url);
@@ -1243,6 +1255,17 @@ function getSafeContextPosition(x: number, y: number, menuWidth: number, menuHei
   return { x: safeX, y: safeY };
 }
 
+function isStickerOrGifMedia(url: string): boolean {
+  const value = url.toLowerCase();
+  if (value.includes("twemoji")) {
+    return true;
+  }
+  if (value.includes("giphy.com") || value.includes("tenor.com") || value.includes("tenor.googleapis.com")) {
+    return true;
+  }
+  return /\.gif($|\?)/.test(value);
+}
+
 function chatLabel(chat: { display_title?: string | null; title: string | null; type: "private" | "group" | "channel"; is_saved?: boolean }): string {
   if (chat.display_title?.trim()) return chat.display_title;
   if (chat.title?.trim()) return chat.title;