The same JSON methods as the desktop control server (engine.execute, ui.inspect, ui.screenshot, …),
as promises on window.vectorcraft, like FilmCraft's window.filmcraft: an agent driving the editor in a
browser tab or an <iframe> uses the same commands as the CLI and the MCP server. openFile opens
bytes the way a dropped file opens; captureDownloads keeps saves in the page for readFile.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
