[
  {
    "collMod": "invitations",
    "validator": {
      "$jsonSchema": {
        "bsonType": "object",
        "required": [
          "_id",
          "version",
          "created_at",
          "updated_at",
          "org_id",
          "email",
          "role",
          "workspace_id",
          "token_hash",
          "expires_at",
          "invited_by"
        ],
        "properties": {
          "_id": {
            "bsonType": "string",
            "pattern": "^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$"
          },
          "version": {
            "bsonType": "number"
          },
          "created_at": {
            "bsonType": "string",
            "pattern": "^\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}\\.\\d{3}Z$"
          },
          "updated_at": {
            "bsonType": "string",
            "pattern": "^\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}\\.\\d{3}Z$"
          },
          "org_id": {
            "bsonType": "string",
            "pattern": "^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$"
          },
          "email": {
            "bsonType": "string"
          },
          "role": {
            "bsonType": "string",
            "enum": ["viewer", "member", "admin", "owner"]
          },
          "workspace_id": {
            "bsonType": "string",
            "pattern": "^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$"
          },
          "workspace_role": {
            "bsonType": ["string", "null"],
            "enum": ["viewer", "editor", "admin", null]
          },
          "role_key": {
            "bsonType": ["string", "null"]
          },
          "token_hash": {
            "bsonType": "string"
          },
          "expires_at": {
            "bsonType": "string"
          },
          "accepted_at": {
            "bsonType": ["string", "null"]
          },
          "invited_by": {
            "bsonType": "string",
            "pattern": "^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$"
          }
        },
        "additionalProperties": false
      }
    }
  }
]