Completes a recovery you started with completed: false: the account goes from RECOVERING to NORMAL, and Koin updates last_recovered_at and recovery_count. completed only accepts true. client_flow and reported_by were set when you created the recovery and do not change. There is no bulk version.

• On a recovery that is already completed it returns 200, so you can retry after a timeout.
• On an expired recovery it returns 409 with EXPIRED: an abandoned recovery stays abandoned. If your analyst did finish the recovery, record it with a POST with completed: true.
• On a recovery interrupted by a block it returns 409.
• With a recovery_id that does not exist for that account it returns 404.