Merge pull request #31 from GitHubSecurityLab/p--init-mk

fix: init model_keys to prevent error on task flows without model config

Author: p-

main.py

@@ -430,6 +430,7 @@ async def on_handoff_hook(
         # optional global vars available for the taskflow tasks
         global_variables = taskflow.get('globals', {})
         model_config = taskflow.get('model_config', {})
+        model_keys = []
         if model_config:
             model_dict = available_tools.model_config.get(model_config, {})
             if not model_dict: