{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/anomaly-detection/refs/heads/main/json-schema/anomaly-detection-time-series-schema.json",
  "title": "TimeSeries",
  "description": "A named time series used as input for anomaly detection, containing an ordered sequence of timestamped metric values.",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique identifier for the time series.",
      "example": "ts-prod-cluster-01"
    },
    "name": {
      "type": "string",
      "description": "Human-readable name for the time series.",
      "example": "Production Cluster CPU Utilization"
    },
    "description": {
      "type": "string",
      "description": "Description of what this time series measures.",
      "example": "Average CPU utilization across production web cluster nodes."
    },
    "metric": {
      "type": "string",
      "description": "The metric being tracked in this series.",
      "example": "cpu_utilization"
    },
    "unit": {
      "type": "string",
      "description": "Unit of measurement for the metric values.",
      "example": "percent"
    },
    "granularity": {
      "type": "string",
      "description": "Time granularity between data points (ISO 8601 duration).",
      "example": "PT1M"
    },
    "seasonality": {
      "type": "string",
      "enum": ["hourly", "daily", "weekly", "none"],
      "description": "The dominant seasonality pattern observed in this series.",
      "example": "daily"
    },
    "data_points": {
      "type": "array",
      "description": "Ordered list of timestamped data points.",
      "items": {
        "$ref": "#/$defs/DataPoint"
      }
    },
    "created_at": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp when this time series was created.",
      "example": "2026-01-01T00:00:00Z"
    },
    "dimensions": {
      "type": "object",
      "description": "Dimensional metadata tags for this series.",
      "additionalProperties": {
        "type": "string"
      }
    }
  },
  "required": ["id", "name", "metric"],
  "$defs": {
    "DataPoint": {
      "type": "object",
      "properties": {
        "timestamp": {
          "type": "string",
          "format": "date-time",
          "description": "Timestamp of the data point.",
          "example": "2026-04-19T14:00:00Z"
        },
        "value": {
          "type": "number",
          "description": "Metric value at this timestamp.",
          "example": 72.5
        }
      },
      "required": ["timestamp", "value"]
    }
  }
}