Take Browser control
Give a current input-enabled viewer human control of the Browser. The viewer credential must belong to this Browser and current Run, and its parent View must still permit input. The hold ends with that viewer. The result names the canonical control Event; an unconfirmed native ACK returns unknown. Reusing the same Idempotency-Key never repeats the transition.
Authentication
Use Bearer <api-key>.
Path parameters
Headers
Optional retry key for this billable operation. Reusing the same key with the same request replays its stable outcome; credential-bearing results may be freshly issued for the same principal. Reusing it with a different request returns 409.
Query parameters
Request
Response headers
Evaluated policy limit; zero when no finite policy was evaluated.
Remaining policy budget; zero when no finite policy was evaluated.
Seconds until reset; zero when no finite policy was evaluated.

