fix: add explicit GPU memory cleanup between models to prevent OOM

templates/index.html

@@ -256,6 +256,32 @@
     color: var(--color-neutral-500);
   }
   .empty-state p { margin-bottom: var(--space-2); }
+
+  /* Video delete button */
+  .video-delete-btn {
+    flex-shrink: 0;
+    width: 32px;
+    height: 32px;
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    border: 1px solid var(--color-neutral-200);
+    border-radius: var(--radius-sm);
+    background: var(--color-neutral-50);
+    color: var(--color-neutral-400);
+    cursor: pointer;
+    font-size: var(--text-sm);
+    transition: all var(--transition-fast);
+    opacity: 0;
+  }
+  .video-item:hover .video-delete-btn {
+    opacity: 1;
+  }
+  .video-delete-btn:hover {
+    background: #FEE2E2;
+    color: #DC2626;
+    border-color: #FECACA;
+  }
 </style>
 {% endblock %}