fix

apps/frontend/components/chat/chat-media-compose-dialog.tsx

@@ -6,13 +6,14 @@ import { Button } from '@/components/ui/button';
 import { Dialog, DialogContent, DialogHeader, DialogTitle } from '@/components/ui/dialog';
 import { Input } from '@/components/ui/input';
 import { createFilePreviewUrl, isCompressibleImageFile, readImageDimensions } from '@/lib/chat-image-compress';
-import { formatFileSize } from '@/lib/chat-media';
+import { formatFileSize, getComposeDialogTitle, getComposeMediaKind, type ComposeMediaKind } from '@/lib/chat-media';
 import { cn } from '@/lib/utils';
 
 export interface ChatMediaComposeItem {
   id: string;
   file: File;
   previewUrl: string | null;
+  mediaKind: ComposeMediaKind;
   sendAsFile: boolean;
   width?: number;
   height?: number;
@@ -25,6 +26,7 @@ function createComposeItem(file: File, sendAsFile = false): ChatMediaComposeItem
     id: crypto.randomUUID(),
     file,
     previewUrl: createFilePreviewUrl(file),
+    mediaKind: getComposeMediaKind(file),
     sendAsFile
   };
 }
@@ -159,32 +161,21 @@ export function ChatMediaComposeDialog({
 }: ChatMediaComposeDialogProps) {
   const addInputRef = useRef<HTMLInputElement>(null);
   const activePreview = items[0] ?? null;
+  const dialogTitle = getComposeDialogTitle(items.map((item) => item.file));
 
   return (
     <Dialog open={open} onOpenChange={(next) => !next && onClose()}>
       <DialogContent className="overflow-hidden rounded-[20px] p-0 sm:max-w-[460px]">
         <div className="border-b border-[#eceef4] px-5 py-4">
           <DialogHeader className="mb-0">
-            <DialogTitle>{items.length > 1 ? `Отправить ${items.length} файла` : 'Отправить изображение'}</DialogTitle>
+            <DialogTitle>{dialogTitle}</DialogTitle>
           </DialogHeader>
         </div>
 
         <div className="space-y-4 px-5 py-4">
           {activePreview ? (
             <div className="relative overflow-hidden rounded-2xl bg-[#0f1117]">
-              {activePreview.previewUrl ? (
-                // eslint-disable-next-line @next/next/no-img-element
-                <img
-                  src={activePreview.previewUrl}
-                  alt={activePreview.file.name}
-                  className="mx-auto max-h-[320px] w-full object-contain"
-                />
-              ) : (
-                <div className="flex min-h-[180px] flex-col items-center justify-center gap-2 px-6 text-center text-white/80">
-                  <p className="text-sm font-medium">{activePreview.file.name}</p>
-                  <p className="text-xs text-white/55">{formatFileSize(activePreview.file.size)}</p>
-                </div>
-              )}
+              <ComposeMediaPreview item={activePreview} className="mx-auto max-h-[320px] w-full object-contain" />
               <button
                 type="button"
                 className="absolute right-3 top-3 rounded-full bg-black/55 p-1.5 text-white transition hover:bg-black/70"
@@ -206,18 +197,15 @@ export function ChatMediaComposeDialog({
                   onClick={() => onRemoveItem(item.id)}
                   title="Нажмите, чтобы удалить"
                 >
-                  {item.previewUrl ? (
-                    // eslint-disable-next-line @next/next/no-img-element
-                    <img src={item.previewUrl} alt="" className="h-full w-full object-cover" />
-                  ) : (
-                    <div className="flex h-full items-center justify-center px-1 text-[10px] text-[#667085]">{item.file.name.slice(0, 8)}</div>
-                  )}
+                  <ComposeMediaPreview item={item} className="h-full w-full object-cover" thumbnail />
                   <span className="absolute inset-0 bg-black/0 transition group-hover:bg-black/20" />
                 </button>
               ))}
             </div>
-          ) : activePreview?.previewUrl ? (
+          ) : activePreview?.mediaKind === 'image' && activePreview.previewUrl ? (
             <p className="text-center text-xs text-[#667085]">Для редактирования нажмите на изображение</p>
+          ) : activePreview?.mediaKind === 'video' ? (
+            <p className="text-center text-xs text-[#667085]">Проверьте видео перед отправкой</p>
           ) : null}
 
           {hasImages ? (
@@ -314,6 +302,43 @@ export function ChatMediaDropOverlay({ visible, onDropCompressed, onDropAsFile }
   );
 }
 
+function ComposeMediaPreview({
+  item,
+  className,
+  thumbnail = false
+}: {
+  item: ChatMediaComposeItem;
+  className?: string;
+  thumbnail?: boolean;
+}) {
+  if (item.mediaKind === 'video' && item.previewUrl) {
+    return (
+      <video
+        src={item.previewUrl}
+        className={cn('bg-black', className)}
+        controls={!thumbnail}
+        playsInline
+        muted={thumbnail}
+        preload="metadata"
+      />
+    );
+  }
+
+  if (item.mediaKind === 'image' && item.previewUrl) {
+    return (
+      // eslint-disable-next-line @next/next/no-img-element
+      <img src={item.previewUrl} alt={item.file.name} className={className} />
+    );
+  }
+
+  return (
+    <div className="flex min-h-[180px] flex-col items-center justify-center gap-2 px-6 text-center text-white/80">
+      <p className="text-sm font-medium">{item.file.name}</p>
+      <p className="text-xs text-white/55">{formatFileSize(item.file.size)}</p>
+    </div>
+  );
+}
+
 function DropZone({
   title,
   subtitle,