Open-source streaming runtime

Watch incomplete model output become a stable interface.

The parser waits for safe HTML, CSS, and script boundaries. The host streams those patches into a sandboxed iframe and keeps the surrounding layout stable.

Sandboxed result

Incoming protocol

Closed boundariesNo half tags, rules, or scripts execute.

Host-agnosticNo React, Electron, or model-provider dependency.

Sandbox firstCapabilities remain outside the generated document.