assistant-ui Tools Always consult assistant-ui.com/llms.txt for latest API. Tools let LLMs trigger actions with custom UI rendering. References - ./references/make-tool.md -- makeAssistantTool/useAssistantTool - ./references/tool-ui.md -- makeAssistantToolUI rendering - ./references/human-in-loop.md -- Confirmation patterns Tool Types Backend Tool with UI Frontend-Only Tool API Reference Human-in-the-Loop Common Gotchas Tool UI not rendering - must match exactly (case-sensitive) - Register UI inside Tool not being called - Check tool description is clear - Use to allow multi-step Result not s…