9d2d87e7e1
Treemap: rectangle area = transaction volume, color = SLA compliance (green→red). Shows apps at L1, routes at L2. Click navigates deeper. Punchcard heatmap: 7-day rolling weekday x 24-hour grid showing transaction volume and error patterns. Two side-by-side views (transactions + errors) reveal temporal clustering. Backend: new GET /search/stats/punchcard endpoint aggregating stats_1m_all/app by DOW x hour over rolling 7 days. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>