Expand description
phase_starting — opt-in pre-phase header. Push 2
removed the unconditional ▶ phase 'X' starting row
from the live output; this readout brings it back as a
workload-bound option, default-targetting on_phase_start.
Compact / Labeled / Expanded show progressively more context (name only → name + seq → name + seq + iter tuple labels). Explanation describes the row’s purpose.