fix: 修复TypeScript配置错误并更新项目文档

详细说明:
- 修复了@n8n/config包的TypeScript配置错误
- 移除了不存在的jest-expect-message类型引用
- 清理了所有TypeScript构建缓存
- 更新了可行性分析文档，添加了技术实施方案
- 更新了Agent prompt文档
- 添加了会展策划工作流文档
- 包含了n8n-chinese-translation子项目
- 添加了exhibition-demo展示系统框架

web_frontend/exhibition-demo/src/App.tsx

@@ -0,0 +1,72 @@
+import React, { useState } from 'react';
+import { AnimatePresence, motion } from 'framer-motion';
+import LandingPage from './pages/LandingPage';
+import WorkflowPage from './pages/WorkflowPage';
+import ResultPage from './pages/ResultPage';
+import { useDemoStore } from './store/demoStore';
+
+type PageType = 'landing' | 'workflow' | 'result';
+
+function App() {
+  const [currentPage, setCurrentPage] = useState<PageType>('landing');
+  const { status } = useDemoStore();
+
+  React.useEffect(() => {
+    if (status === 'completed') {
+      setCurrentPage('result');
+    }
+  }, [status]);
+
+  const handleStartDemo = () => {
+    setCurrentPage('workflow');
+  };
+
+  const handleRestart = () => {
+    useDemoStore.getState().reset();
+    setCurrentPage('landing');
+  };
+
+  return (
+    <div className="min-h-screen bg-gradient-to-br from-neutral-50 to-neutral-100 dark:from-neutral-950 dark:to-neutral-900">
+      <AnimatePresence mode="wait">
+        {currentPage === 'landing' && (
+          <motion.div
+            key="landing"
+            initial={{ opacity: 0 }}
+            animate={{ opacity: 1 }}
+            exit={{ opacity: 0 }}
+            transition={{ duration: 0.5 }}
+          >
+            <LandingPage onStart={handleStartDemo} />
+          </motion.div>
+        )}
+
+        {currentPage === 'workflow' && (
+          <motion.div
+            key="workflow"
+            initial={{ opacity: 0 }}
+            animate={{ opacity: 1 }}
+            exit={{ opacity: 0 }}
+            transition={{ duration: 0.5 }}
+          >
+            <WorkflowPage />
+          </motion.div>
+        )}
+
+        {currentPage === 'result' && (
+          <motion.div
+            key="result"
+            initial={{ opacity: 0 }}
+            animate={{ opacity: 1 }}
+            exit={{ opacity: 0 }}
+            transition={{ duration: 0.5 }}
+          >
+            <ResultPage onRestart={handleRestart} />
+          </motion.div>
+        )}
+      </AnimatePresence>
+    </div>
+  );
+}
+
+export default App;