- Add clear error messages when users request unsupported operations
- Add _find_similar_commands() to suggest related commands
- Update system_prompt.md to instruct LLM not to guess unsupported commands
- Update turnkey_tools.md with unsupported operations table
- Add comprehensive README section on manual command updates
- Document that dify/open_web_ui/comfyui have no stop commands
- Users can now manually update commands without reinstalling laojun