Shawn Hartsock

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How Newt sessions dock across machines
A hub can list, mirror and steer sessions running on another of the operator's own machines. The session never moves: the host stays the only writer. Step through discovery, pairing, approval, mirroring, injecting and revoking.
~5 min read
By Shawn Hartsock (commissioned) AI-drafted


Unreviewed draft. The author has not yet signed off on this text.


  

    



  

    

    
  

  

  

  

  

    
    
    
    
  

  
Placeholders only. Types come from newt-mesh/src/dock.rs. The transport lives in the sibling agent-mesh repo, and newt-mesh is built outside the default workspace. Keys: left/right arrows step, space plays or pauses.











What each stage maps to




  
    

      Stage
      What it does
      Where
      Status
    

  
  
    

      Identify
      Per-machine keys derived from one operator root.
      newt-mesh/src/dock.rs
      Implemented
    

    

      Discover
      mDNS capability tags on the LAN; direct pubkey@addr dial.
      newt-mesh/src/dock.rs
      Implemented (LAN)
    

    

      Uplink
      Host dials out and long-polls the hub.
      newt-mesh/src/uplink.rs
      Implemented (interim)
    

    

      Pair
      Commit-reveal numeric comparison, approved at the terminal.
      newt-core/src/dock_registry.rs
      Implemented
    

    

      Authorize
      Signed registry rows with a scope.
      newt-core/src/dock_registry.rs
      Implemented
    

    

      Mirror and inject
      Snapshots and a host-queued prompt.
      newt-mesh/src/dock.rs
      Implemented
    

    

      Delegated caveats
      Attenuation is checked and handed to local plugins; the dock stage does not use caveats.
      newt-mesh/src/caveats.rs
      Partly implemented
    

    

      Cross-operator trust, live streaming
      Different operators pairing; push mirroring.
       
      Not built
    

  




What this does not show



    
  
  • Everything is the same operator with one shared root key. Cross-operator pairing is future work.
    • 
  
  • The six-word key mnemonic is a cross-check of a public key, not a two-party SAS.
    • 
  
  • Nothing migrates between hosts. The hub mirrors and injects.
    • 
  
  • Caveats do not travel with a dock request and are not enforced on the remote side.
    • 
  
  • No TLA+ spec covers the mesh.
    • 




Source: newt-agent site/mesh.html at 67b24697. newt-agent is Apache-2.0: Gilamonster Foundation / newt-agent.


  


  


  
Revisions

  
    
    
  •  · claude-sonnet-5-5 · Moved from newt-agent site/mesh.html at 67b24697; prose converted to Markdown, animation text moved to copy.
    • 
  


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