Glossary — canvas

Term	Meaning
agent frame	A frame running one coding-agent session. Agent
agent settings	An agent session’s model, reasoning effort, mode and so on, as the agent offers them
approval	The host’s yes or no to something an edit guest wants to run. Guests
board	The shared surface all frames live on. One per project
board tools	`view_board`, `open_frame`, `update_frame`, `close_frame`: how agents change the board. Board tools
browser frame	A frame showing a URL, loaded by each viewer’s browser. Browser
`canvas serve`	The local server on the host’s machine. CLI
cluster	Frames within 48 px of each other. Board
files frame	A frame showing one project file, read-only and live. Files
follow	Scrolling with a frame’s occupant. Focus
frame	One thing on the board: an agent, a file, a terminal or a browser
guest	Anyone on the board who opened the guest link
guest access	What guests may do, set by the host per board: view, edit or trusted
guest link	The link that joins a board as a guest. Safe to share with the people you invite
host	The person who runs `canvas serve` and opens the host link
host link	The link `canvas serve` prints. Controls the machine: never share it
occupant	The person or agent holding a frame. Focus
permission	An agent asking before a tool call. Only the host answers
prompt draft	The shared composer of an agent frame, written by several people at once
row	Frames in a cluster whose top edges line up; they share a height
shared set	The files `canvas serve` lets out. Security
terminal frame	A shell on the host’s machine. Terminal
web app	The browser UI at `ui.canvas.frebreco.de`