ops: external uptime probe via GitHub Actions cron (#665)#674
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Probes commonly.me + api health every 15 min from GitHub's side; 3 attempts / ~100s window sized to outlast the #654 deploy Recreate blip. Opens a labeled issue on sustained failure (email alert), auto-closes on recovery so downtime duration lives in the issue timeline. Chosen over an external SaaS monitor deliberately — no new account, lives in infra we already watch (Sam's call, 2026-07-11). Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01MnRCAFgjrrGZxo9VRCmCm9
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Closes the last open half of #665 ("See & Hear" Wave 0).
Sentry (live since yesterday) only reports errors from a running app — a crash-looped backend, dead tunnel, or reclaimed spot node is silent there. This adds an outside-in probe:
:07/:22/:37/:52) + manual dispatch, probingcommonly.meandapi.commonly.me/api/health.uptime(→ email); dedupes against an already-open one; auto-closes with a recovery comment so each outage's duration is recorded in one issue timeline.permissions: issues: writeonly; no secrets.Deliberate choice over an external SaaS monitor (no new account; lives in infra already watched daily). Known trade: GitHub-cron jitter of a few minutes, and it can't page if GitHub itself is down.
Closes #665
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https://claude.ai/code/session_01MnRCAFgjrrGZxo9VRCmCm9