fix: make canvas the root generation experience

web/canvas-app/src/components/nodes/VideoConfigNode.vue

@@ -82,16 +82,8 @@
             提示词 {{ connectedPrompt ? '✓' : '○' }}
           </span>
           <span class="px-2 py-0.5 rounded-full"
-            :class="imagesByRole.firstFrame ? 'bg-purple-100 text-purple-700 dark:bg-purple-900/30 dark:text-purple-400' : 'bg-gray-100 text-gray-500 dark:bg-gray-800'">
-            首帧 {{ imagesByRole.firstFrame ? '✓' : '○' }}
-          </span>
-          <span class="px-2 py-0.5 rounded-full"
-            :class="imagesByRole.lastFrame ? 'bg-orange-100 text-orange-700 dark:bg-orange-900/30 dark:text-orange-400' : 'bg-gray-100 text-gray-500 dark:bg-gray-800'">
-            尾帧 {{ imagesByRole.lastFrame ? '✓' : '○' }}
-          </span>
-          <span class="px-2 py-0.5 rounded-full"
-            :class="imagesByRole.referenceImages.length > 0 ? 'bg-blue-100 text-blue-700 dark:bg-blue-900/30 dark:text-blue-400' : 'bg-gray-100 text-gray-500 dark:bg-gray-800'">
-            参考图 {{ imagesByRole.referenceImages.length > 0 ? `✓ ${imagesByRole.referenceImages.length}` : '○' }}
+            :class="connectedImages.length > 0 ? 'bg-purple-100 text-purple-700 dark:bg-purple-900/30 dark:text-purple-400' : 'bg-gray-100 text-gray-500 dark:bg-gray-800'">
+            图片 {{ connectedImages.length > 0 ? `✓ ${connectedImages.length}` : '○' }}
           </span>
         </div>
 
@@ -195,7 +187,7 @@ const connectedImages = computed(() => {
         edgeId: edge.id,
         url: sourceNode.data.url,
         base64: sourceNode.data.base64,
-        role: edge.data?.imageRole || 'first_frame_image' // Default to first frame | 默认首帧
+        role: edge.data?.imageRole || 'first_frame_image' // Default reference image | 默认参考图
       })
     }
   }
@@ -385,12 +377,12 @@ const handleGenerate = async () => {
       params.prompt = prompt
     }
 
-    // Add first frame image | 添加首帧图片
+    // Add primary reference image | 添加主参考图
     if (first_frame_image) {
       params.first_frame_image = first_frame_image
     }
 
-    // Add last frame image | 添加尾帧图片
+    // Add optional ending reference image | 添加可选结束参考图
     if (last_frame_image) {
       params.last_frame_image = last_frame_image
     }