Title: Agent stuck running for 77+ minutes, unresponsive to stop commands and chat

Steps to reproduce:

Started agent operation

Agent continued running for 77+ minutes

Attempted to stop the work - no response

Tried chatting with agent - no response

Expected behavior: Agent should complete tasks in reasonable time and respond to stop commands

Actual behavior: Agent runs indefinitely, ignores stop commands, and doesn't respond to chat messages

Technical details:

Run: 7b6ce150-c90f-4d08-8e0d-3cc7262cf25d

Project: 0446b79a-2458-41fe-ba59-672d922cc36c

Thread: 7047ba49-2cc9-414a-aba8-2743f8b6028a

Message: b7ee3391-7fe7-4a8f-a336-eb6bfbeb5b06

Impact: Unable to stop or interact with agent, potentially lost work