Refactor API to match database, no _uuid postfixes.

paskia/fastapi/ws.py

@@ -57,11 +57,11 @@ async def websocket_register_add(
                 f"The reset link for {passkey.instance.rp_name} is invalid or has expired"
             )
         s = await get_reset(reset)
-        user_uuid = s.user_uuid
+        user_uuid = s.user
     else:
         # Require recent authentication for adding a new passkey
         ctx = await authz.verify(auth, perm=[], host=host, max_age="5m")
-        user_uuid = ctx.session.user_uuid
+        user_uuid = ctx.session.user
         s = ctx.session
 
     # Get user information and determine effective user_name for this registration
@@ -113,7 +113,7 @@ async def websocket_authenticate(ws: WebSocket, auth=AUTH_COOKIE):
     if auth:
         try:
             session = await get_session(auth, host=host)
-            session_user_uuid = session.user_uuid
+            session_user_uuid = session.user
             credentials = db.get_credentials_by_user_uuid(session_user_uuid)
             credential_ids = (
                 [c.credential_id for c in credentials] if credentials else None