{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://thinkloom.app/schemas/provenance/1.0/edit-transaction.schema.json",
  "title": "Manuscript edit transaction",
  "description": "Meaningful coalesced manual or acceptance-driven edit transaction.",
  "type": "object",
  "properties": {
    "schema_version": {
      "const": "1.0"
    },
    "transaction_id": {
      "type": "string",
      "pattern": "^transaction_[0-9A-HJKMNP-TV-Z]{26}$"
    },
    "project_id": {
      "type": "string",
      "pattern": "^project_[0-9A-HJKMNP-TV-Z]{26}$"
    },
    "base_revision_id": {
      "type": "string",
      "pattern": "^revision_[0-9A-HJKMNP-TV-Z]{26}$"
    },
    "result_revision_id": {
      "type": "string",
      "pattern": "^revision_[0-9A-HJKMNP-TV-Z]{26}$"
    },
    "started_at": {
      "type": "string",
      "format": "date-time",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}\\.\\d{3}Z$"
    },
    "ended_at": {
      "type": "string",
      "format": "date-time",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}\\.\\d{3}Z$"
    },
    "operations": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "operation_type": {
            "enum": [
              "insert",
              "delete",
              "replace",
              "move",
              "format"
            ]
          },
          "source_range": {
            "anyOf": [
              {
                "$ref": "https://thinkloom.app/schemas/provenance/1.0/text-fragment-reference.schema.json"
              },
              {
                "type": "null"
              }
            ]
          },
          "destination_position": {
            "anyOf": [
              {
                "type": "integer",
                "minimum": 0
              },
              {
                "type": "null"
              }
            ]
          },
          "inserted_text_sha256": {
            "anyOf": [
              {
                "type": "string",
                "pattern": "^sha256:[a-f0-9]{64}$"
              },
              {
                "type": "null"
              }
            ]
          },
          "result_fragment_id": {
            "anyOf": [
              {
                "type": "string",
                "pattern": "^fragment_[0-9A-HJKMNP-TV-Z]{26}$"
              },
              {
                "type": "null"
              }
            ]
          }
        },
        "required": [
          "operation_type",
          "source_range",
          "destination_position",
          "inserted_text_sha256",
          "result_fragment_id"
        ],
        "additionalProperties": false
      },
      "minItems": 1
    },
    "preimage_sha256": {
      "type": "string",
      "pattern": "^sha256:[a-f0-9]{64}$"
    },
    "result_sha256": {
      "type": "string",
      "pattern": "^sha256:[a-f0-9]{64}$"
    }
  },
  "required": [
    "schema_version",
    "transaction_id",
    "project_id",
    "base_revision_id",
    "result_revision_id",
    "started_at",
    "ended_at",
    "operations",
    "preimage_sha256",
    "result_sha256"
  ],
  "additionalProperties": false,
  "examples": [
    {
      "schema_version": "1.0",
      "transaction_id": "transaction_01J0000000000000000000000N",
      "project_id": "project_01J00000000000000000000001",
      "base_revision_id": "revision_01J0000000000000000000000A",
      "result_revision_id": "revision_01J0000000000000000000000B",
      "started_at": "2026-07-17T18:42:10.123Z",
      "ended_at": "2026-07-17T18:43:11.456Z",
      "operations": [
        {
          "operation_type": "insert",
          "source_range": null,
          "destination_position": 0,
          "inserted_text_sha256": "sha256:eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee",
          "result_fragment_id": "fragment_01J0000000000000000000000C"
        }
      ],
      "preimage_sha256": "sha256:dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd",
      "result_sha256": "sha256:eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee"
    }
  ]
}