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/auth.py

@@ -0,0 +1,153 @@
+from fastapi import APIRouter, Depends, HTTPException, status
+from fastapi.security import OAuth2PasswordRequestForm
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select
+from typing import Annotated
+from app.database import get_db
+from app.models.user import User
+from app.core.security import hash_password, verify_password, create_access_token, create_refresh_token, decode_token
+from pydantic import BaseModel, EmailStr
+from datetime import datetime
+
+router = APIRouter()
+
+
+class RegisterRequest(BaseModel):
+    phone: str
+    password: str
+    username: str = ""
+
+
+class LoginResponse(BaseModel):
+    access_token: str
+    refresh_token: str
+    token_type: str = "bearer"
+    user: dict
+
+
+class RefreshRequest(BaseModel):
+    refresh_token: str
+
+
+@router.post("/register")
+async def register(data: RegisterRequest, db: Annotated[AsyncSession, Depends(get_db)]):
+    existing = await db.execute(select(User).where(User.phone == data.phone))
+    if existing.scalar_one_or_none():
+        raise HTTPException(status_code=400, detail="Phone already registered")
+
+    user = User(
+        phone=data.phone,
+        username=data.username or data.phone,
+        password_hash=hash_password(data.password),
+        tier="free",
+    )
+    db.add(user)
+    await db.flush()
+
+    return {
+        "id": str(user.id),
+        "phone": user.phone,
+        "username": user.username,
+        "tier": user.tier,
+    }
+
+
+@router.post("/login", response_model=LoginResponse)
+async def login(
+    form: Annotated[OAuth2PasswordRequestForm, Depends()],
+    db: Annotated[AsyncSession, Depends(get_db)],
+):
+    result = await db.execute(select(User).where(User.phone == form.username))
+    user = result.scalar_one_or_none()
+
+    if not user or not verify_password(form.password, user.password_hash):
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Invalid credentials",
+        )
+
+    return LoginResponse(
+        access_token=create_access_token({"sub": str(user.id), "tier": user.tier}),
+        refresh_token=create_refresh_token({"sub": str(user.id)}),
+        user={
+            "id": str(user.id),
+            "phone": user.phone,
+            "username": user.username,
+            "tier": user.tier,
+        },
+    )
+
+
+@router.post("/refresh")
+async def refresh(data: RefreshRequest):
+    payload = decode_token(data.refresh_token)
+    if not payload or payload.get("type") != "refresh":
+        raise HTTPException(status_code=401, detail="Invalid refresh token")
+
+    return {
+        "access_token": create_access_token({"sub": payload["sub"]}),
+        "token_type": "bearer",
+    }
+
+
+@router.get("/me")
+async def get_me(
+    authorization: str = None,
+    db: Annotated[AsyncSession, Depends(get_db)] = None,
+):
+    if not authorization or not authorization.startswith("Bearer "):
+        raise HTTPException(status_code=401, detail="Missing token")
+
+    payload = decode_token(authorization[7:])
+    if not payload:
+        raise HTTPException(status_code=401, detail="Invalid token")
+
+    result = await db.execute(select(User).where(User.id == payload["sub"]))
+    user = result.scalar_one_or_none()
+    if not user:
+        raise HTTPException(status_code=404, detail="User not found")
+
+    return {
+        "id": str(user.id),
+        "phone": user.phone,
+        "username": user.username,
+        "tier": user.tier,
+        "settings": user.settings,
+        "created_at": user.created_at.isoformat() if user.created_at else None,
+    }
+
+
+class SettingsUpdate(BaseModel):
+    preferred_translate_provider: str = None
+    reply_tone: str = None
+    timezone: str = None
+    languages: list = None
+
+
+@router.patch("/settings")
+async def update_settings(
+    data: SettingsUpdate,
+    authorization: str = None,
+    db: Annotated[AsyncSession, Depends(get_db)] = None,
+):
+    if not authorization or not authorization.startswith("Bearer "):
+        raise HTTPException(status_code=401, detail="Missing token")
+
+    payload = decode_token(authorization[7:])
+    if not payload:
+        raise HTTPException(status_code=401, detail="Invalid token")
+
+    result = await db.execute(select(User).where(User.id == payload["sub"]))
+    user = result.scalar_one_or_none()
+    if not user:
+        raise HTTPException(status_code=404, detail="User not found")
+
+    settings = user.settings or {}
+    for key, value in data.dict(exclude_unset=True).items():
+        if value is not None:
+            settings[key] = value
+
+    user.settings = settings
+    await db.flush()
+
+    return {"settings": user.settings}