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

backend/Dockerfile

@@ -0,0 +1,27 @@
+FROM python:3.11-slim
+
+WORKDIR /app
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    gcc \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy and install the airwallex SDK first (changes less often)
+COPY airwallex-sdk /opt/airwallex-sdk
+RUN pip install --no-cache-dir /opt/airwallex-sdk
+
+# Copy and install Python dependencies
+COPY backend/requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application code
+COPY backend/app ./app
+COPY backend/.env* ./
+
+# Create data directory for SQLite
+RUN mkdir -p /app/data
+
+EXPOSE 8000
+
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]