feat: 完成前端项目初始化 (TASK-003)

- 创建 Next.js 14+ 前端项目，TypeScript + Tailwind CSS
- 安装核心依赖：axios, react-hook-form, zod, zustand, recharts
- 安装 Shadcn/ui 组件库
- 配置环境变量和基础目录结构
- 验证构建成功

任务状态：TASK-003 已完成
下一步：TASK-004 配置数据库

Assisted-by: Kiro AI <kiro@cursor.com>

frontend/package.json

@@ -0,0 +1,38 @@
+{
+  "name": "frontend",
+  "version": "0.1.0",
+  "private": true,
+  "scripts": {
+    "dev": "next dev",
+    "build": "next build",
+    "start": "next start",
+    "lint": "eslint"
+  },
+  "dependencies": {
+    "@hookform/resolvers": "^5.4.0",
+    "axios": "^1.18.1",
+    "class-variance-authority": "^0.7.1",
+    "clsx": "^2.1.1",
+    "date-fns": "^4.4.0",
+    "lucide-react": "^1.23.0",
+    "next": "16.2.10",
+    "react": "19.2.4",
+    "react-dom": "19.2.4",
+    "react-dropzone": "^15.0.0",
+    "react-hook-form": "^7.81.0",
+    "recharts": "^3.9.2",
+    "tailwind-merge": "^3.6.0",
+    "zod": "^4.4.3",
+    "zustand": "^5.0.14"
+  },
+  "devDependencies": {
+    "@tailwindcss/postcss": "^4",
+    "@types/node": "^20.19.43",
+    "@types/react": "^19",
+    "@types/react-dom": "^19",
+    "eslint": "^9",
+    "eslint-config-next": "16.2.10",
+    "tailwindcss": "^4",
+    "typescript": "^5"
+  }
+}