update

backend/auth.py

@@ -12,10 +12,10 @@ from sqlalchemy.orm import Session
 from backend.db import get_db
 from backend.models import User
 
-pwd_context = CryptContext(schemes=["argon2"], deprecated="auto")
+pwd_context = CryptContext(schemes=["argon2", "bcrypt"], deprecated="auto")
 bearer = HTTPBearer(auto_error=False)
 
-AUTH_VERSION = "argon2-2026-04-07"
+AUTH_VERSION = "argon2-bcrypt-compat-2026-04-07"
 
 
 def _env(name: str, default: str) -> str:
@@ -48,6 +48,10 @@ def verify_password(password: str, password_hash: str) -> bool:
         ) from e
 
 
+def password_needs_update(password_hash: str) -> bool:
+    return pwd_context.needs_update(password_hash)
+
+
 def create_access_token(*, user_id: str) -> str:
     now = datetime.now(timezone.utc)
     payload = {