refactor: 清理未使用代码并添加未来功能标记

style: 统一代码格式和注释风格

docs: 更新多个功能文档的完整度和状态

feat(runtime): 添加路径验证工具支持

fix(pipeline): 改进条件判断和变量解析逻辑

test(types): 为ID类型添加全面测试用例

chore: 更新依赖项和Cargo.lock文件

perf(mcp): 优化MCP协议传输和错误处理

desktop/src/components/ClassroomPreviewer.tsx

@@ -21,7 +21,6 @@ import {
   Grid,
   Volume2,
   VolumeX,
-  Settings,
   Download,
   Share2,
 } from 'lucide-react';
@@ -78,7 +77,7 @@ interface SceneRendererProps {
   showNarration: boolean;
 }
 
-function SceneRenderer({ scene, isPlaying, showNarration }: SceneRendererProps) {
+function SceneRenderer({ scene, showNarration }: SceneRendererProps) {
   const renderContent = () => {
     switch (scene.type) {
       case 'title':
@@ -240,7 +239,7 @@ function OutlinePanel({
               {section.title}
             </p>
             <div className="space-y-1">
-              {section.scenes.map((sceneId, sceneIndex) => {
+              {section.scenes.map((sceneId) => {
                 const globalIndex = scenes.findIndex(s => s.id === sceneId);
                 const isActive = globalIndex === currentIndex;
                 const scene = scenes.find(s => s.id === sceneId);
@@ -271,7 +270,6 @@ function OutlinePanel({
 
 export function ClassroomPreviewer({
   data,
-  onClose,
   onExport,
 }: ClassroomPreviewerProps) {
   const [currentSceneIndex, setCurrentSceneIndex] = useState(0);
@@ -281,7 +279,7 @@ export function ClassroomPreviewer({
   const [isFullscreen, setIsFullscreen] = useState(false);
   const [viewMode, setViewMode] = useState<'slides' | 'grid'>('slides');
 
-  const { showToast } = useToast();
+  const { toast } = useToast();
   const currentScene = data.scenes[currentSceneIndex];
   const totalScenes = data.scenes.length;
 
@@ -310,12 +308,12 @@ export function ClassroomPreviewer({
         nextScene();
       } else {
         setIsPlaying(false);
-        showToast('课堂播放完成', 'success');
+        toast('课堂播放完成', 'success');
       }
     }, duration);
 
     return () => clearTimeout(timer);
-  }, [isPlaying, currentSceneIndex, currentScene, totalScenes, nextScene, showToast]);
+  }, [isPlaying, currentSceneIndex, currentScene, totalScenes, nextScene, toast]);
 
   // Keyboard navigation
   useEffect(() => {
@@ -352,7 +350,7 @@ export function ClassroomPreviewer({
     if (onExport) {
       onExport(format);
     } else {
-      showToast(`导出 ${format.toUpperCase()} 功能开发中...`, 'info');
+      toast(`导出 ${format.toUpperCase()} 功能开发中...`, 'info');
     }
   };