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/quotation.py

@@ -0,0 +1,60 @@
+from fastapi import APIRouter, Depends, HTTPException, Query
+from sqlalchemy.ext.asyncio import AsyncSession
+from typing import Annotated, Optional
+from app.database import get_db
+from app.services.quotation import QuotationService
+from app.api.v1.deps import get_current_user_id
+
+router = APIRouter()
+
+
+@router.post("")
+async def create_quotation(
+    data: dict,
+    user_id: str = Depends(get_current_user_id),
+    db: Annotated[AsyncSession, Depends(get_db)] = None,
+):
+    service = QuotationService(db)
+    try:
+        quotation = await service.create_quotation(user_id, data)
+        return quotation
+    except ValueError as e:
+        raise HTTPException(status_code=400, detail=str(e))
+
+
+@router.get("")
+async def list_quotations(
+    page: int = Query(1, ge=1),
+    size: int = Query(20, ge=1, le=100),
+    user_id: str = Depends(get_current_user_id),
+    db: Annotated[AsyncSession, Depends(get_db)] = None,
+):
+    service = QuotationService(db)
+    return await service.list_quotations(user_id, page, size)
+
+
+@router.get("/{quotation_id}")
+async def get_quotation(
+    quotation_id: str,
+    user_id: str = Depends(get_current_user_id),
+    db: Annotated[AsyncSession, Depends(get_db)] = None,
+):
+    service = QuotationService(db)
+    quotation = await service.get_quotation(user_id, quotation_id)
+    if not quotation:
+        raise HTTPException(status_code=404, detail="Quotation not found")
+    return quotation
+
+
+@router.patch("/{quotation_id}/status")
+async def update_quotation_status(
+    quotation_id: str,
+    data: dict,
+    user_id: str = Depends(get_current_user_id),
+    db: Annotated[AsyncSession, Depends(get_db)] = None,
+):
+    service = QuotationService(db)
+    quotation = await service.update_status(user_id, quotation_id, data.get("status", "draft"))
+    if not quotation:
+        raise HTTPException(status_code=404, detail="Quotation not found")
+    return quotation