feat: 完善会展策划演示系统

详细说明:
- 添加了V2版本的工作流页面和结果页面
- 更新了Serena记忆文件
- 添加了详细实施计划文档
- 优化了Vite配置
- 更新了项目文档CLAUDE.md
- 构建了演示系统的dist版本
- 包含了exhibition-demo的完整依赖

web_frontend/exhibition-demo/node_modules/tailwindcss/stubs/.npmignore

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+!*

web_frontend/exhibition-demo/node_modules/tailwindcss/stubs/.prettierrc.json

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+{
+  "printWidth": 120,
+  "semi": false,
+  "singleQuote": true,
+  "trailingComma": "es5"
+}

web_frontend/exhibition-demo/node_modules/tailwindcss/stubs/config.simple.js

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+module.exports = {
+  content: [],
+  theme: {
+    extend: {},
+  },
+  plugins: [],
+}

web_frontend/exhibition-demo/node_modules/tailwindcss/stubs/postcss.config.cjs

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+module.exports = {
+  plugins: {
+    tailwindcss: {},
+    autoprefixer: {},
+  },
+}

web_frontend/exhibition-demo/node_modules/tailwindcss/stubs/postcss.config.js

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+export default {
+  plugins: {
+    tailwindcss: {},
+    autoprefixer: {},
+  },
+}

web_frontend/exhibition-demo/node_modules/tailwindcss/stubs/tailwind.config.cjs

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+/** @type {import('tailwindcss').Config} */
+module.exports = __CONFIG__

web_frontend/exhibition-demo/node_modules/tailwindcss/stubs/tailwind.config.js

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+/** @type {import('tailwindcss').Config} */
+export default __CONFIG__

web_frontend/exhibition-demo/node_modules/tailwindcss/stubs/tailwind.config.ts

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+import type { Config } from 'tailwindcss'
+
+export default __CONFIG__ satisfies Config