{
  "$type": "com.atproto.lexicon.schema",
  "defs": {
    "main": {
      "description": "Source file content or content references for a CAD project or release.",
      "key": "any",
      "record": {
        "properties": {
          "cid": {
            "description": "CID for this source file, if content-addressed.",
            "format": "cid",
            "type": "string"
          },
          "createdAt": {
            "format": "datetime",
            "type": "string"
          },
          "externalUri": {
            "description": "External content URL, such as a Zoo project file or archive download URL.",
            "format": "uri",
            "type": "string"
          },
          "format": {
            "description": "CAD source or artifact format.",
            "knownValues": [
              "kcl",
              "solidworks-part",
              "solidworks-assembly",
              "step",
              "stl",
              "parasolid",
              "obj",
              "gltf",
              "archive",
              "unknown"
            ],
            "maxLength": 128,
            "type": "string"
          },
          "lineCount": {
            "description": "Line count for text-native source files.",
            "minimum": 0,
            "type": "integer"
          },
          "mimeType": {
            "maxLength": 256,
            "type": "string"
          },
          "path": {
            "description": "Path within the project archive or source tree.",
            "maxLength": 2048,
            "type": "string"
          },
          "role": {
            "description": "Role this source file plays in the project.",
            "knownValues": [
              "entrypoint",
              "source",
              "import",
              "asset",
              "library",
              "derived"
            ],
            "maxLength": 64,
            "type": "string"
          },
          "sha256": {
            "description": "Lowercase hex SHA-256 digest of the source file bytes.",
            "maxLength": 64,
            "minLength": 64,
            "type": "string"
          },
          "sizeBytes": {
            "description": "Size of this source file in bytes.",
            "minimum": 0,
            "type": "integer"
          },
          "sourceBlob": {
            "accept": [
              "text/*",
              "model/*",
              "application/octet-stream",
              "application/zip"
            ],
            "description": "Blob reference for source bytes, especially large text files and binary CAD artifacts.",
            "maxSize": 10000000,
            "type": "blob"
          },
          "sourceText": {
            "description": "Inline UTF-8 source text for compact text-native CAD files such as KCL.",
            "maxLength": 200000,
            "type": "string"
          },
          "subject": {
            "description": "Project or release record this source file belongs to.",
            "ref": "nyc.noirot.cad.defs#projectRef",
            "type": "ref"
          },
          "textEncoding": {
            "description": "Text encoding for sourceText, when present.",
            "knownValues": [
              "utf-8"
            ],
            "maxLength": 64,
            "type": "string"
          },
          "updatedAt": {
            "format": "datetime",
            "type": "string"
          }
        },
        "required": [
          "subject",
          "path",
          "sha256",
          "createdAt"
        ],
        "type": "object"
      },
      "type": "record"
    }
  },
  "description": "A sidecar record for one CAD source file or artifact.",
  "id": "nyc.noirot.cad.source",
  "lexicon": 1
}