fix: load system bot credentials only when joinMode is SYSTEM_BOT (anonymous join fix)

Made-with: Cursor

modules/features/teamsbot/routeFeatureTeamsbot.py

@@ -202,9 +202,9 @@ async def startSession(
     botAccountPassword = None
 
     # System bot access: only SysAdmin can use the system bot account.
-    # Non-SysAdmin users are forced to anonymous join to prevent concurrent
-    # access conflicts (a Microsoft account can only be in one meeting at a time).
-    if context.isSysAdmin:
+    # Credentials are loaded only when joinMode explicitly requests SYSTEM_BOT.
+    # When joinMode is ANONYMOUS, the bot joins without auth regardless of SysAdmin.
+    if context.isSysAdmin and joinMode == TeamsbotJoinMode.SYSTEM_BOT:
         systemBot = interface.getActiveSystemBot(mandateId)
         if not systemBot:
             from .datamodelTeamsbot import TeamsbotSystemBot