Testaroo ships fixtures and gold kits so an importer can prove it works. Upload-ready means the importer already passed, not that a file merely exists.
Document Studio capability levels explain which edits are real, which are previews, and which jobs still need a dedicated tool. Ship-only language for authors and QA.
Clock skew across hosts, timestamps out of order, a stack trace spanning twelve lines, and NaN in a Prometheus gauge. The telemetry shapes that break ingest.