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deer-flow/backend/docs/TODO.md
luo jiyin 979a461af5
docs: move completed async migration to Completed Features (#2146) 
- Move time.sleep() -> asyncio.sleep() from Planned to Completed Features
- Clean up duplicate entries in TODO.md

Ensures completed async optimizations are properly tracked.
2026-04-12 16:48:48 +08:00

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TODO List

Completed Features

  • Launch the sandbox only after the first file system or bash tool is called
  • Add Clarification Process for the whole process
  • Implement Context Summarization Mechanism to avoid context explosion
  • Integrate MCP (Model Context Protocol) for extensible tools
  • Add file upload support with automatic document conversion
  • Implement automatic thread title generation
  • Add Plan Mode with TodoList middleware
  • Add vision model support with ViewImageMiddleware
  • Skills system with SKILL.md format
  • Replace time.sleep(5) with asyncio.sleep() in packages/harness/deerflow/tools/builtins/task_tool.py (subagent polling)

Planned Features

  • Pooling the sandbox resources to reduce the number of sandbox containers
  • Add authentication/authorization layer
  • Implement rate limiting
  • Add metrics and monitoring
  • Support for more document formats in upload
  • Skill marketplace / remote skill installation
  • Optimize async concurrency in agent hot path (IM channels multi-task scenario)
  • Replace subprocess.run() with asyncio.create_subprocess_shell() in packages/harness/deerflow/sandbox/local/local_sandbox.py
    • Replace sync requests with httpx.AsyncClient in community tools (tavily, jina_ai, firecrawl, infoquest, image_search)
    • Replace sync model.invoke() with async model.ainvoke() in title_middleware and memory updater
    • Consider asyncio.to_thread() wrapper for remaining blocking file I/O
    • For production: use langgraph up (multi-worker) instead of langgraph dev (single-worker)

Resolved Issues

  • Make sure that no duplicated files in state.artifacts
  • Long thinking but with empty content (answer inside thinking process)