Files
ModelRouter/internal
root 7f91985583 fix(ui): restore five uniform KPI cards — title + big value + subtitle + real canvas charts (no gray-shell placeholders)
Redo the KPI row properly: five identical cards each with title row, large metric value, subtitle, and an 86px canvas chart. Replaces the previous gray-box canvas placeholders (which dropped the numbers — a regression).

- Active requests: line sparkline (real-time refresh) + live count
- Total requests: 7-day vertical bar chart + current total
- Tokens: stacked bar of per-model token share + big total
- Avg latency: line sparkline (real-time refresh) + avg ms
- Status codes: stacked bar by code + chip subtitle (code/reqs/percent)

All charts drawn with plain Canvas 2D (sparkline/dailyBars helpers), no third-party lib. DPR-aware for crispness. Deployed (bak .bak.20260811l), server active.
2026-08-11 16:57:04 +08:00
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