feat(canvas): 图片转换插件 - 增加本地媒体转换节点与运行时

web/src/lib/canvas/canvas-agent-ops.ts

@@ -399,6 +399,7 @@ function canvasNodeTypeLabel(type?: CanvasNodeType) {
     if (type === CanvasNodeType.Frame) return "背板";
     if (type === CanvasNodeType.Drawing) return "绘图节点";
     if (type === CanvasNodeType.Skill) return "技能节点";
+    if (type === CanvasNodeType.MediaConversion) return "转换节点";
     return "文本节点";
 }