syn control

Control running executions

`syn control cancel`

Cancel a running or paused execution.

syn control cancel <execution_id>

Arguments:

Name	Type	Required	Description
`execution_id`	`text`	Yes	Execution ID to cancel

Options:

Flag	Type	Default	Description
`--reason`, `-r`	`text`	---	Reason for cancelling
`--force`, `-f`	`boolean`	`false`	Skip confirmation prompt

Inject a message into a running execution.

syn control inject <execution_id> --message <message>

Arguments:

Name	Type	Required	Description
`execution_id`	`text`	Yes	Execution ID

Options:

Flag	Type	Default	Description
`--message`, `-m`	`text`	---	Message to inject

Pause a running execution at the next yield point.

syn control pause <execution_id>

Arguments:

Name	Type	Required	Description
`execution_id`	`text`	Yes	Execution ID to pause

Options:

Flag	Type	Default	Description
`--reason`, `-r`	`text`	---	Reason for pausing

Resume a paused execution.

syn control resume <execution_id>

Arguments:

Name	Type	Required	Description
`execution_id`	`text`	Yes	Execution ID to resume

Get current execution control state.

syn control status <execution_id>

Arguments:

Name	Type	Required	Description
`execution_id`	`text`	Yes	Execution ID to check

Forcefully stop a running execution via SIGINT.

Sends a cancel signal that causes the engine to interrupt the Claude CLI process via SIGINT and capture partial output as an interrupted execution.

syn control stop <execution_id>

Arguments:

Name	Type	Required	Description
`execution_id`	`text`	Yes	Execution ID to stop

Options:

Flag	Type	Default	Description
`--reason`, `-r`	`text`	---	Reason for stopping
`--force`, `-f`	`boolean`	`false`	Skip confirmation prompt