feat(monitoring): external uptime check for playground.dakera.ai (DAK-7020)#236
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…-7020) Adds a GitHub Actions cron workflow that polls playground.dakera.ai/health every 15 minutes from an external vantage point and sends a Telegram alert on any failure. Complements the existing server-side systemd monitor (DAK-6745) which can't detect DNS/CDN-level outages. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Summary
.github/workflows/playground-uptime-check.yml— GitHub Actions cron pollinghttps://playground.dakera.ai/healthevery 15 minutesworkflow_dispatchtrigger available for on-demand checksContext
DAK-7020: DAK-6745 already deploys a systemd timer on the playground server itself. This PR adds a second layer from GitHub Actions infrastructure — no SSH/server access needed, just an HTTP curl.
Test plan
workflow_dispatchtrigger — verify healthy response logs and no Telegram alert🤖 Generated with Claude Code