Initial commit: TradeMate 外贸小助手 MVP

项目结构:
- backend/     Python FastAPI 后端
- uni-app/     uni-app跨端前端
- docs/        设计文档
- docker-compose.yml  Docker编排
- nginx/scripts/systemd 运维配置

已完成功能:
- 用户认证 (JWT)
- 智能翻译 + 回复建议
- 营销素材生成
- 客户管理 + 沉默检测
- 报价单管理
- 产品库管理
- 汇率换算
- 推送通知 (uni-push)
- WhatsApp Webhook框架
- Celery定时任务

backend/app/api/v1/deps.py

@@ -0,0 +1,13 @@
+from fastapi import HTTPException, Depends
+from app.core.security import decode_token
+
+
+async def get_current_user_id(authorization: str = None) -> str:
+    if not authorization or not authorization.startswith("Bearer "):
+        raise HTTPException(status_code=401, detail="Missing or invalid token")
+
+    payload = decode_token(authorization[7:])
+    if not payload:
+        raise HTTPException(status_code=401, detail="Invalid or expired token")
+
+    return payload.get("sub")