Initial commit: WordLoop 单词学习应用

Vue 前端 + FastAPI 后端，含部署脚本与词典数据。

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/routers/auth_router.py

@@ -0,0 +1,55 @@
+from datetime import datetime, timezone
+
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.orm import Session
+
+from auth import create_access_token, get_current_user, hash_password, verify_password
+from database import get_db
+from models import User, UserSettings
+from schemas import TokenResponse, UserLogin, UserOut, UserRegister
+
+router = APIRouter(prefix="/api/auth", tags=["auth"])
+
+
+def utc_now_iso() -> str:
+    return datetime.now(timezone.utc).strftime("%Y-%m-%dT%H:%M:%SZ")
+
+
+@router.post("/register", response_model=UserOut)
+def register(data: UserRegister, db: Session = Depends(get_db)):
+    if db.query(User).filter(User.username == data.username).first():
+        raise HTTPException(status_code=400, detail="用户名已存在")
+
+    user = User(
+        username=data.username,
+        password_hash=hash_password(data.password),
+        created_at=utc_now_iso(),
+    )
+    db.add(user)
+    db.flush()
+
+    settings = UserSettings(
+        user_id=user.id,
+        daily_target=20,
+        master_required_count=3,
+        weak_wrong_threshold=3,
+    )
+    db.add(settings)
+    db.commit()
+    db.refresh(user)
+    return user
+
+
+@router.post("/login", response_model=TokenResponse)
+def login(data: UserLogin, db: Session = Depends(get_db)):
+    user = db.query(User).filter(User.username == data.username).first()
+    if not user or not verify_password(data.password, user.password_hash):
+        raise HTTPException(status_code=401, detail="用户名或密码错误")
+
+    token = create_access_token(user.id, user.username)
+    return TokenResponse(access_token=token)
+
+
+@router.get("/me", response_model=UserOut)
+def me(current_user: User = Depends(get_current_user)):
+    return current_user