- Fixed run_agent_mode to call std::env::set_current_dir with workspace_dir
- Updated fowler.md to read README.md and AGENTS.md as part of Triage & Understanding step
- Add final_output_called flag to track if LLM properly completed
- Auto-continue with prompt if tools executed but final_output missing
- Remove unused last_action_was_tool and any_text_response variables
- Simplifies previous complex incomplete response detection logic