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/spec/openapi.yaml

@@ -0,0 +1,48 @@
+openapi: 3.1.0
+info:
+  title: BAI Management API
+  description: Backend API for BAI Management System
+  version: 1.0.0
+servers:
+  - url: http://localhost:3000
+    description: Development server
+paths:
+  /test-helloworld:
+    get:
+      summary: Test endpoint
+      description: Returns a hello world message
+      responses:
+        '200':
+          description: Successful response
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  message:
+                    type: string
+                    example: Hello, World!
+                  timestamp:
+                    type: string
+                    format: date-time
+                  status:
+                    type: string
+                    example: success
+  /health:
+    get:
+      summary: Health check
+      description: Checks if the server is running
+      responses:
+        '200':
+          description: Server is healthy
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  status:
+                    type: string
+                    example: healthy
+                  timestamp:
+                    type: string
+                    format: date-time