fetchColumns

Fetches the roadmap kanban columns from GET /api/v1/public/columns/{appKey}.

Columns are returned sorted in ascending order by their BoardColumn.position.

List of BoardColumn instances configured for the app.

on HTTP errors.

on network failure or parsing errors.

Example:

val columns = client.fetchColumns()
columns.forEach { column ->
    println("Column: ${column.name} (${column.kind})")
}