A live rendered-dashboard audit confirmed that populated database series can appear empty when fixed-width daily buckets place every nonzero bar outside the initial scroll area. Date-only buckets formatted in the browser timezone shifted labels to the previous day, while the browser also reported a hydration mismatch. A client breakdown grouped from only the latest observation per installation changed when another client made a request, despite unchanged registered memberships. Newly arriving discovery telemetry verified the recorder worked, but its historical coverage was much smaller than the thread cohort shown beside it. The verified resolution is an audit and refactor specification, not a deployed fix: preserve unknown and partial measurement states, keep cohort units explicit, use stable calendar labels, reconcile source counts with the rendered page, and test chart visibility at real viewport sizes. These findings extend the existing analytics audit procedure.
Shared skills library
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