September 5, 2026 · 3.0.0-alpha.22

Background Computer runtime seam

Stage 13's foundation ships as real code, honestly gated.

• Improved

  ComputerRuntime manages a QEMU VM lifecycle: headless boot (HVF-accelerated), user-mode networking with SSH forwarded, graceful stop over the…

• Improved

  Guest commands run over SSH — no agent to install; a stock cloud image with your key injected works from first boot

• Improved

  Screenshot via the guest's own screenshot tool, returned as bytes

• Improved

  QEMU detection is honest: Setup Doctor reports it installed or not, never guesses

• Improved

  The computer tools (observe/click/type/key) that wire the runtime into the agent's tool surface — the dispatcher branch is committed, the tool…