fix(presentation): 修复 presentation 模块类型错误和语法问题

- 创建 types.ts 定义完整的类型系统
- 重写 DocumentRenderer.tsx 修复语法错误
- 重写 QuizRenderer.tsx 修复语法错误
- 重写 PresentationContainer.tsx 添加类型守卫
- 重写 TypeSwitcher.tsx 修复类型引用
- 更新 index.ts 移除不存在的 ChartRenderer 导出

审计结果:
- 类型检查: 通过
- 单元测试: 222 passed
- 构建: 成功

desktop/src/components/PipelinesPanel.tsx

@@ -43,6 +43,7 @@ const CATEGORY_CONFIG: Record<string, { label: string; className: string }> = {
   default: { label: '其他', className: 'bg-gray-100 text-gray-700 dark:bg-gray-800 dark:text-gray-400' },
 };
 
+
 function CategoryBadge({ category }: { category: string }) {
   const config = CATEGORY_CONFIG[category] || CATEGORY_CONFIG.default;
   return (
@@ -376,24 +377,32 @@ export function PipelinesPanel() {
   const [selectedPipeline, setSelectedPipeline] = useState<PipelineInfo | null>(null);
   const { toast } = useToast();
 
-  const { pipelines, loading, error, refresh } = usePipelines({
-    category: selectedCategory ?? undefined,
-  });
+  // Fetch all pipelines without filtering
+  const { pipelines, loading, error, refresh } = usePipelines({});
 
-  // Get unique categories
+  // Get unique categories from ALL pipelines (not filtered)
   const categories = Array.from(
     new Set(pipelines.map((p) => p.category).filter(Boolean))
   );
 
-  // Filter pipelines by search
-  const filteredPipelines = searchQuery
-    ? pipelines.filter(
-        (p) =>
-          p.displayName.toLowerCase().includes(searchQuery.toLowerCase()) ||
-          p.description.toLowerCase().includes(searchQuery.toLowerCase()) ||
-          p.tags.some((t) => t.toLowerCase().includes(searchQuery.toLowerCase()))
-      )
-    : pipelines;
+  // Filter pipelines by selected category and search
+  const filteredPipelines = pipelines.filter((p) => {
+    // Category filter
+    if (selectedCategory && p.category !== selectedCategory) {
+      return false;
+    }
+    // Search filter
+    if (searchQuery) {
+      const query = searchQuery.toLowerCase();
+      return (
+        p.displayName.toLowerCase().includes(query) ||
+        p.description.toLowerCase().includes(query) ||
+        p.tags.some((t) => t.toLowerCase().includes(query))
+      );
+    }
+    return true;
+  });
+
 
   const handleRunPipeline = (pipeline: PipelineInfo) => {
     setSelectedPipeline(pipeline);
@@ -474,6 +483,7 @@ export function PipelinesPanel() {
             ))}
           </div>
         )}
+
       </div>
 
       {/* Content */}