Which pre-worker pipeline phase (#4902) is still outstanding. Production
"Geometry stream stalled... Last rendered meshes: 0" reports (#4884
follow-up) cannot currently be told apart by phase — this is what makes
that possible: read with GateTracker.getStallPhase at the instant
the consumer's watchdog fires, rather than inferred from elapsed time.
Which pre-worker pipeline phase (#4902) is still outstanding. Production "Geometry stream stalled... Last rendered meshes: 0" reports (#4884 follow-up) cannot currently be told apart by phase — this is what makes that possible: read with GateTracker.getStallPhase at the instant the consumer's watchdog fires, rather than inferred from elapsed time.