terminal.viewport.read.v1

Read terminal viewport

Returns one bounded observation of the visible terminal identified by invocation scope.

At a glance

Callable by	agent, cli, plugin
Effect	read — Reads state and changes nothing.
Confirmation	never — Runs without asking.
Idempotency	none
Leaves the machine	no
Provided by	dev.tenon.core
Contract class	sealed

Input

Takes no properties — send {}.

Output

Property	Required	Type	Constraints
columns	yes	integer | null	—
exited	yes	boolean	—
paneID	yes	string	format uuid, length 36–36, pattern-checked
rows	yes	integer | null	—
text	yes	string	length 0–49152

Errors it can return

These are this contract’s own failures, on top of the lifecycle errors every intent can settle with. See Errors.

• dev.tenon.core.terminal-unavailable

Call it

From a plugin — declare it in intents.uses first:

const result = await tenon.intents.send("terminal.viewport.read.v1", {})
if (!result.ok) throw new Error(result.error.code)

From a shell:

tenon-cli intent send terminal.viewport.read.v1 --input '{}'

Ask your own build for this same contract with tenon-cli intent describe terminal.viewport.read.v1.