early_departure_time and primary aircraft battery. This API provides "Active Takeoff" capability — when relay aircraft is still in pending-scheduling state (relay_status=0 Pending Scheduling), caller manually triggers relay aircraft takeoff to relay point and wait. Call Prerequisites (must simultaneously satisfy):running (Executing)0 Pending Scheduling (relay aircraft has not taken off){} passed.curl --location --request POST '/openapi/v2.0/task/api/v1/workspaces//flight-tasks/relay-missions/12345/active-takeoff' \
--header 'x-user-token;' \
--header 'x-user-token;' \
--header 'X-Request-Id: 5dff27bd-693c-4ace-979d-e26e920d497a' \
--header 'X-Request-Id;' \
--header 'X-Project-Uuid;'{
"code": 0,
"message": "success",
"data": null
}