feat: 初始化项目基础结构和配置

添加项目基础文件结构、依赖配置和核心功能模块
集成uni-app+Vue3+TypeScript开发环境
配置ESLint、Prettier、Stylelint等代码规范工具
实现主题管理、路由、状态管理等核心功能
添加登录认证、文件上传等常用API模块

fastapp/src/static/images/login-bg.svg

@@ -0,0 +1,54 @@
+<svg width="100%" height="100%" viewBox="0 0 1000 1000" xmlns="http://www.w3.org/2000/svg">
+  <!-- 背景渐变 -->
+  <defs>
+    <!-- 主背景渐变 - 蓝色系 -->
+    <linearGradient id="bgGradient" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" stop-color="#94BFFF" />
+      <stop offset="100%" stop-color="#165DFF" />
+    </linearGradient>
+    
+    <!-- 图形渐变 - 白色半透明 -->
+    <linearGradient id="shapeGradient" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" stop-color="#ffffff" stop-opacity="0.3" />
+      <stop offset="100%" stop-color="#ffffff" stop-opacity="0.15" />
+    </linearGradient>
+    
+    <!-- 底部波浪渐变 -->
+    <linearGradient id="waveGradient" x1="0%" y1="0%" x2="0%" y2="100%">
+      <stop offset="0%" stop-color="#FFFFFF" stop-opacity="0.05" />
+      <stop offset="100%" stop-color="#FFFFFF" stop-opacity="0.1" />
+    </linearGradient>
+
+    <!-- 为暗黑模式提供的额外效果 -->
+    <filter id="softGlow" x="-50%" y="-50%" width="200%" height="200%">
+      <feGaussianBlur stdDeviation="15" result="blur" />
+      <feComposite in="SourceGraphic" in2="blur" operator="over" />
+    </filter>
+  </defs>
+  
+  <!-- 顶部背景 -->
+  <rect width="100%" height="100%" fill="#1A1A1A" opacity="0" class="dark-mode-bg" />
+  <rect width="100%" height="50%" fill="url(#bgGradient)" />
+  
+  <!-- 左侧装饰图形 -->
+  <rect x="100" y="150" width="120" height="120" rx="15" fill="url(#shapeGradient)" transform="rotate(-10, 160, 210)" opacity="0.7" />
+  <rect x="190" y="90" width="80" height="80" rx="10" fill="url(#shapeGradient)" transform="rotate(15, 230, 130)" opacity="0.6" />
+  <rect x="60" y="250" width="100" height="100" rx="10" fill="url(#shapeGradient)" transform="rotate(-5, 110, 300)" opacity="0.5" />
+  
+  <!-- 右侧装饰图形 -->
+  <circle cx="750" cy="150" r="60" fill="url(#shapeGradient)" opacity="0.7" />
+  <circle cx="820" cy="230" r="90" fill="url(#shapeGradient)" opacity="0.5" />
+  <circle cx="690" cy="250" r="40" fill="url(#shapeGradient)" opacity="0.6" />
+  
+  <!-- 底部波浪形状，适配深色和浅色模式 -->
+  <path d="M0,900 C200,800 350,950 550,870 C750,790 850,900 1000,850 L1000,1000 L0,1000 Z" fill="url(#waveGradient)" class="wave-light" />
+  <path d="M0,900 C200,800 350,950 550,870 C750,790 850,900 1000,850 L1000,1000 L0,1000 Z" fill="#1A1A1A" opacity="0" class="wave-dark" />
+
+  <style>
+    @media (prefers-color-scheme: dark) {
+      .dark-mode-bg { opacity: 1; }
+      .wave-light { opacity: 0; }
+      .wave-dark { opacity: 0.7; }
+    }
+  </style>
+</svg>