The newest metric bucket is upserted every flush while its minute runs, and both rollup endpoints summed it in — so every curve on Home ended on a fall that was only the clock. The timeseries now stops at the last closed bin, and the flow rollups' window ends on the last closed minute, so all sixty slices are whole ones. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>