{
  "uid": "scrabble-game",
  "title": "Scrabble — Game domain",
  "tags": ["scrabble"],
  "timezone": "",
  "schemaVersion": 39,
  "version": 3,
  "refresh": "30s",
  "time": { "from": "now-24h", "to": "now" },
  "panels": [
    {
      "type": "timeseries",
      "title": "Games started / abandoned — human (rate by variant)",
      "gridPos": { "h": 8, "w": 12, "x": 0, "y": 0 },
      "datasource": { "type": "prometheus", "uid": "prometheus" },
      "targets": [
        { "refId": "A", "expr": "sum(rate(games_started_total{vs_ai=\"false\"}[15m])) by (variant)", "legendFormat": "started {{variant}}" },
        { "refId": "B", "expr": "sum(rate(games_abandoned_total{vs_ai=\"false\"}[15m])) by (variant)", "legendFormat": "abandoned {{variant}}" }
      ]
    },
    {
      "type": "timeseries",
      "title": "Games started / abandoned — AI (rate by variant)",
      "gridPos": { "h": 8, "w": 12, "x": 12, "y": 0 },
      "datasource": { "type": "prometheus", "uid": "prometheus" },
      "targets": [
        { "refId": "A", "expr": "sum(rate(games_started_total{vs_ai=\"true\"}[15m])) by (variant)", "legendFormat": "started {{variant}}" },
        { "refId": "B", "expr": "sum(rate(games_abandoned_total{vs_ai=\"true\"}[15m])) by (variant)", "legendFormat": "abandoned {{variant}}" }
      ]
    },
    {
      "type": "timeseries",
      "title": "Robot games finished (rate)",
      "gridPos": { "h": 8, "w": 12, "x": 12, "y": 24 },
      "datasource": { "type": "prometheus", "uid": "prometheus" },
      "targets": [{ "refId": "A", "expr": "sum(rate(robot_games_finished_total[15m]))", "legendFormat": "robot games" }]
    },
    {
      "type": "timeseries",
      "title": "Live games in cache (by variant)",
      "gridPos": { "h": 8, "w": 12, "x": 0, "y": 8 },
      "datasource": { "type": "prometheus", "uid": "prometheus" },
      "targets": [{ "refId": "A", "expr": "sum(game_cache_active) by (variant)", "legendFormat": "{{variant}}" }]
    },
    {
      "type": "timeseries",
      "title": "Chat messages (rate by kind)",
      "gridPos": { "h": 8, "w": 12, "x": 12, "y": 8 },
      "datasource": { "type": "prometheus", "uid": "prometheus" },
      "targets": [{ "refId": "A", "expr": "sum(rate(chat_messages_total[15m])) by (kind)", "legendFormat": "{{kind}}" }]
    },
    {
      "type": "timeseries",
      "title": "Journal replay p95 (by variant)",
      "gridPos": { "h": 8, "w": 12, "x": 0, "y": 16 },
      "fieldConfig": { "defaults": { "unit": "s" }, "overrides": [] },
      "datasource": { "type": "prometheus", "uid": "prometheus" },
      "targets": [{ "refId": "A", "expr": "histogram_quantile(0.95, sum(rate(game_replay_duration_bucket[5m])) by (le, variant))", "legendFormat": "{{variant}}" }]
    },
    {
      "type": "timeseries",
      "title": "Move validate p95 (by variant)",
      "gridPos": { "h": 8, "w": 12, "x": 12, "y": 16 },
      "fieldConfig": { "defaults": { "unit": "s" }, "overrides": [] },
      "datasource": { "type": "prometheus", "uid": "prometheus" },
      "targets": [{ "refId": "A", "expr": "histogram_quantile(0.95, sum(rate(game_move_validate_duration_bucket[5m])) by (le, variant))", "legendFormat": "{{variant}}" }]
    },
    {
      "type": "timeseries",
      "title": "Move think-time by phase (p50 / p95)",
      "description": "Seconds a seat spent on a committed move, by game phase. Aggregates all seats including robots; per-human analysis is in the admin console.",
      "gridPos": { "h": 8, "w": 12, "x": 0, "y": 24 },
      "fieldConfig": { "defaults": { "unit": "s" }, "overrides": [] },
      "datasource": { "type": "prometheus", "uid": "prometheus" },
      "targets": [
        { "refId": "A", "expr": "histogram_quantile(0.5, sum(rate(game_move_duration_bucket[15m])) by (le, phase))", "legendFormat": "p50 {{phase}}" },
        { "refId": "B", "expr": "histogram_quantile(0.95, sum(rate(game_move_duration_bucket[15m])) by (le, phase))", "legendFormat": "p95 {{phase}}" }
      ]
    }
  ]
}
