{
  "$id": "https://sessionpipe.org/schema/v1/event.json",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "protocol": {
      "type": "number",
      "const": 1
    },
    "id": {
      "type": "string",
      "pattern": "^[0-9A-HJKMNP-TV-Z]{26}$"
    },
    "type": {
      "type": "string",
      "pattern": "^(?:native|[a-z][a-z0-9]*(?:\\.[a-z][a-z0-9_]*)+)$"
    },
    "time": {
      "type": "string",
      "format": "date-time",
      "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d:[0-5]\\d\\.\\d{3}(?:Z))$"
    },
    "tier": {
      "type": "integer",
      "minimum": 0,
      "maximum": 3
    },
    "harness": {
      "type": "object",
      "properties": {
        "name": {
          "type": "string",
          "pattern": "^[a-z][a-z0-9-]{0,39}$"
        },
        "version": {
          "type": "string",
          "maxLength": 64
        },
        "event": {
          "type": "string",
          "maxLength": 64
        }
      },
      "required": [
        "name"
      ]
    },
    "session": {
      "type": "object",
      "properties": {
        "id": {
          "type": "string",
          "minLength": 1,
          "maxLength": 128,
          "pattern": "^[A-Za-z0-9._:-]+$"
        },
        "seq": {
          "type": "integer",
          "minimum": 0,
          "maximum": 9007199254740991
        },
        "machine": {
          "type": "string",
          "maxLength": 80
        },
        "cwd": {
          "type": "string",
          "maxLength": 1024
        },
        "repo": {
          "type": "string",
          "maxLength": 512
        },
        "branch": {
          "type": "string",
          "maxLength": 256
        },
        "model": {
          "type": "string",
          "maxLength": 128
        },
        "title": {
          "type": "string",
          "maxLength": 200
        },
        "title_source": {
          "type": "string",
          "enum": [
            "custom",
            "harness",
            "first-ask"
          ]
        },
        "url": {
          "type": "string",
          "maxLength": 1024,
          "format": "uri"
        },
        "account_id": {
          "type": "string",
          "maxLength": 128
        },
        "parent_id": {
          "anyOf": [
            {
              "type": "string",
              "minLength": 1,
              "maxLength": 128,
              "pattern": "^[A-Za-z0-9._:-]+$"
            },
            {
              "type": "null"
            }
          ]
        }
      },
      "required": [
        "id",
        "seq"
      ]
    },
    "privacy": {
      "type": "object",
      "properties": {
        "rulesets": {
          "type": "array",
          "items": {
            "type": "string",
            "pattern": "^[a-z][a-z0-9-]*@\\d+$"
          }
        },
        "pii": {
          "type": "boolean"
        }
      },
      "required": [
        "rulesets",
        "pii"
      ]
    },
    "data": {
      "type": "object",
      "propertyNames": {
        "type": "string"
      },
      "additionalProperties": {}
    }
  },
  "required": [
    "protocol",
    "id",
    "type",
    "time",
    "tier",
    "harness",
    "session",
    "privacy",
    "data"
  ]
}