Task Run
A Task Run is a phased, policy-gated execution of one operation (currently firmware) across many Racks. A Task Run narrows a candidate set of Racks with an optional selector, divides the selected Racks into phases, and drives one execution target per Rack; each target in turn drives at most one Task. Safety gates pause the Task Run when failures exceed a threshold, and phase gates hold each phase until an operator advances it. This tag exposes creation, retrieval, target listing, and the pause / resume / advance / cancel lifecycle actions; drill into per-Rack execution detail via the Task tag using each target’s taskId.