Prime's CI fix A. ana-docker's runner sits on HDD mirrors with no SLOG; synced
8 KiB writes measured ~34 ms there vs ~2.7 ms on nh3-docker (same probe, one run,
n=3 each). Repos opt in with runs-on: nh3-docker; the runner carries no
pfi-fleet label. Its config is tighter because nh3-docker also runs NH3 DNS and
the post office: docker_host '-' (verified absent in the job, present on the
ana-docker baseline), capacity 1, jobs capped at 4 GiB / 6 CPUs, a network per
job. The deploy playbook takes runner_config; each runner's homepage name is
its runner name.
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cd3c4b8be9