fix(api): use bcrypt directly instead of passlib for compatibility

api/app/routers/auth.py

@@ -2,7 +2,7 @@ from datetime import datetime, timedelta, timezone
 
 from fastapi import APIRouter, Depends, HTTPException
 from jose import jwt
-from passlib.context import CryptContext
+import bcrypt
 from sqlalchemy.orm import Session
 
 from app.config import JWT_ALGORITHM, JWT_EXPIRATION_HOURS, JWT_SECRET_KEY
@@ -12,12 +12,10 @@ from app.schemas.auth import LoginRequest, TokenResponse
 
 router = APIRouter(prefix="/auth", tags=["认证"])
 
-pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
-
 
 def verify_password(plain_password: str, hashed_password: str) -> bool:
     """验证密码"""
-    return pwd_context.verify(plain_password, hashed_password)
+    return bcrypt.checkpw(plain_password.encode(), hashed_password.encode())
 
 
 def create_access_token(data: dict) -> str: