/observability/runs gains since/until, so the throughput chart's pin asks the server for its minute instead of filtering a fixed recent list. This engine writes ~60 runs a minute, so any minute but the newest read empty. since is inclusive and until exclusive, matching the minute buckets the charts are drawn from. Hover stays the client-side preview it was: scrubbing a day would otherwise be a request per minute rested on. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_017MeiWk3Yq12n2pTvnQWYvt