{
  "uid": "scrabble-users",
  "title": "Scrabble — Users",
  "tags": ["scrabble"],
  "timezone": "",
  "schemaVersion": 39,
  "version": 1,
  "refresh": "30s",
  "time": { "from": "now-7d", "to": "now" },
  "panels": [
    {
      "type": "timeseries",
      "title": "Active users (in-memory, single gateway)",
      "description": "Distinct accounts with an authenticated action within the window. Resets on gateway restart; correct for a single instance (MVP).",
      "gridPos": { "h": 8, "w": 12, "x": 0, "y": 0 },
      "datasource": { "type": "prometheus", "uid": "prometheus" },
      "targets": [{ "refId": "A", "expr": "max(active_users) by (window)", "legendFormat": "{{window}}" }]
    },
    {
      "type": "timeseries",
      "title": "New accounts (rate by kind)",
      "gridPos": { "h": 8, "w": 12, "x": 12, "y": 0 },
      "datasource": { "type": "prometheus", "uid": "prometheus" },
      "targets": [{ "refId": "A", "expr": "sum(rate(accounts_created_total[1h])) by (kind)", "legendFormat": "{{kind}}" }]
    },
    {
      "type": "timeseries",
      "title": "New accounts (cumulative by kind)",
      "gridPos": { "h": 8, "w": 24, "x": 0, "y": 8 },
      "datasource": { "type": "prometheus", "uid": "prometheus" },
      "targets": [{ "refId": "A", "expr": "sum(accounts_created_total) by (kind)", "legendFormat": "{{kind}}" }]
    }
  ]
}