feat: 初始化项目结构并添加基础配置

添加前后端基础项目结构，包括.gitignore、package.json等配置文件
实现前端基础功能模块，包括路由、状态管理、API请求封装等
添加前端UI组件库和样式体系
配置开发环境Mock系统和构建工具链

back-end/package.json

@@ -0,0 +1,26 @@
+{
+  "name": "web-bai-manage-api-server",
+  "version": "1.0.0",
+  "description": "Backend API server for BAI Management System",
+  "main": "src/index.js",
+  "scripts": {
+    "dev": "node src/index.js",
+    "build": "echo 'No build needed for backend'",
+    "test": "echo 'No tests implemented yet'",
+    "lint": "echo 'No linting implemented yet'",
+    "spec:lint": "npx @fission-ai/openspec lint spec/",
+    "spec:validate": "npx @fission-ai/openspec validate spec/"
+  },
+  "dependencies": {
+    "express": "^4.18.2",
+    "dotenv": "^16.3.1"
+  },
+  "devDependencies": {
+    "@fission-ai/openspec": "^1.0.0"
+  },
+  "engines": {
+    "node": ">=22.0.0"
+  },
+  "author": "",
+  "license": "ISC"
+}