type: object
properties:
  id:
    type: number
    description: ID of the group member record
  role:
    type: string
    enum: ['member', 'admin']
    description: Role of the member in the group
  is_active:
    type: boolean
    description: Whether the member is currently active in the group
  group_contact_id:
    type: number
    description: ID of the group contact this membership belongs to
  contact:
    type: object
    properties:
      id:
        type: number
        description: ID of the member contact
      name:
        type: string
        description: Name of the member contact
      phone_number:
        type: string
        description: Phone number of the member contact
      identifier:
        type: string
        description: Identifier of the member contact
      thumbnail:
        type: string
        description: Thumbnail URL of the member contact