{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "observations": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "id": {
            "type": "string",
            "minLength": 1,
            "maxLength": 200,
            "description": "Resource identifier returned by the operation."
          },
          "workspace_id": {
            "type": "string",
            "minLength": 1,
            "maxLength": 200,
            "description": "Workspace that owns this record."
          },
          "project_id": {
            "type": "string",
            "minLength": 1,
            "maxLength": 200,
            "description": "Project that owns this record."
          },
          "epoch_id": {
            "type": "string"
          },
          "cell_id": {
            "type": "string"
          },
          "run_index": {
            "type": "integer",
            "minimum": 0,
            "maximum": 9007199254740991
          },
          "engine_identity": {
            "type": "string"
          },
          "engine": {
            "type": "string"
          },
          "provider": {
            "type": "string"
          },
          "model": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ]
          },
          "provider_model_version": {
            "type": "string"
          },
          "prompt_sha256": {
            "type": "string",
            "pattern": "^[a-f0-9]{64}$"
          },
          "content_sha256": {
            "type": "string",
            "pattern": "^[a-f0-9]{64}$"
          },
          "local_evidence_sha256": {
            "anyOf": [
              {
                "type": "string",
                "pattern": "^[a-f0-9]{64}$"
              },
              {
                "type": "null"
              }
            ]
          },
          "ingest_cli_version": {
            "type": "string"
          },
          "byte_length": {
            "type": "integer",
            "exclusiveMinimum": 0,
            "maximum": 9007199254740991
          },
          "observed_at": {
            "type": "string",
            "description": "UTC timestamp of the observation used here."
          },
          "created_at": {
            "type": "string",
            "description": "UTC timestamp when the record was created."
          },
          "expires_at": {
            "type": "string"
          },
          "evidence_status": {
            "type": "string",
            "enum": [
              "retained",
              "expired"
            ]
          },
          "screenshot": {
            "type": "object",
            "properties": {
              "reference": {
                "anyOf": [
                  {
                    "type": "string",
                    "minLength": 1,
                    "maxLength": 120,
                    "pattern": "^[A-Za-z0-9_.-]+$"
                  },
                  {
                    "type": "null"
                  }
                ]
              },
              "sha256": {
                "anyOf": [
                  {
                    "type": "string",
                    "pattern": "^[a-f0-9]{64}$"
                  },
                  {
                    "type": "null"
                  }
                ]
              },
              "retained": {
                "type": "boolean",
                "const": false
              }
            },
            "required": [
              "reference",
              "sha256",
              "retained"
            ],
            "additionalProperties": false
          }
        },
        "required": [
          "id",
          "workspace_id",
          "project_id",
          "epoch_id",
          "cell_id",
          "run_index",
          "engine_identity",
          "engine",
          "provider",
          "model",
          "provider_model_version",
          "prompt_sha256",
          "content_sha256",
          "local_evidence_sha256",
          "ingest_cli_version",
          "byte_length",
          "observed_at",
          "created_at",
          "expires_at",
          "evidence_status",
          "screenshot"
        ],
        "additionalProperties": false
      }
    },
    "cursor": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ]
    }
  },
  "required": [
    "observations",
    "cursor"
  ],
  "additionalProperties": {}
}