{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/SessionMetrics",
  "title": "SessionMetrics",
  "type": "object",
  "description": "Aggregated performance metrics for a recording session",
  "properties": {
    "sessionId": {
      "type": "string",
      "description": "Identifier of the session"
    },
    "totalQueries": {
      "type": "integer",
      "description": "Total number of queries in the session"
    },
    "totalDuration": {
      "type": "number",
      "format": "float",
      "description": "Total execution time of all queries in milliseconds"
    },
    "averageDuration": {
      "type": "number",
      "format": "float",
      "description": "Average query execution time in milliseconds"
    },
    "maxDuration": {
      "type": "number",
      "format": "float",
      "description": "Maximum single query execution time in milliseconds"
    },
    "minDuration": {
      "type": "number",
      "format": "float",
      "description": "Minimum single query execution time in milliseconds"
    },
    "queryTypeDistribution": {
      "type": "object",
      "description": "Count of queries by operation type",
      "additionalProperties": {
        "type": "integer"
      }
    },
    "modelDistribution": {
      "type": "object",
      "description": "Count of queries by model name",
      "additionalProperties": {
        "type": "integer"
      }
    },
    "slowestQueries": {
      "type": "array",
      "description": "Top 10 slowest queries by execution duration",
      "items": {
        "$ref": "#/components/schemas/RecordedQuery"
      },
      "maxItems": 10
    }
  },
  "required": [
    "sessionId",
    "totalQueries",
    "totalDuration",
    "averageDuration"
  ]
}