🚨 CI runner pool liveness alert

[github-actions]

The scheduled runner-liveness probe detected a problem at 2026-07-24T07:05:46Z:

• Run 30070506956 has been queued 75m (> 30m) — runners are not picking up jobs.

This issue auto-updates on each probe and auto-closes when the pool recovers.
Diagnose: gh api repos/pulseengine/rivet/actions/runners --jq .total_count (0 = pool offline).
Probe run: https://github.com/pulseengine/rivet/actions/runs/30074321035