[
  { "label": "Active users", "value": "1,284", "delta": "+4.2%" },
  { "label": "Messages today", "value": "37,910", "delta": "+12.8%" },
  { "label": "Avg. latency", "value": "42 ms", "delta": "-6.0%" },
  { "label": "Uptime (30d)", "value": "99.98%", "delta": "+0.01%" }
]