feat: Airwallex 发卡管理后台完整实现

- 后端: FastAPI + SQLAlchemy + SQLite, JWT认证, 代理支持的AirwallexClient
- 前端: React 18 + Vite + Ant Design 5, 中文界面
- 功能: 卡片管理, 持卡人管理, 交易记录, API令牌, 系统设置, 审计日志
- 第三方API: X-API-Key认证, 权限控制
- Docker部署: docker-compose编排前后端

frontend/Dockerfile

@@ -0,0 +1,23 @@
+# Build stage
+FROM node:20-alpine AS builder
+
+WORKDIR /app
+
+COPY package.json ./
+RUN npm install
+
+COPY . .
+RUN npm run build
+
+# Production stage
+FROM nginx:alpine
+
+# Copy built assets
+COPY --from=builder /app/dist /usr/share/nginx/html
+
+# Nginx config for SPA routing + API proxy
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+EXPOSE 3000
+
+CMD ["nginx", "-g", "daemon off;"]