nso_table_meta: Table metadata as per-dimension codebooks
Description
Returns a tibble with one row per dimension and a codes list-column,
where each element is a tibble of codes and labels (code, label_en,
label_mn). Useful for manual query assembly and for inspecting available
categories per dimension.
Usage
nso_table_meta(tbl_id)
Value
A tibble with columns: dim (display name), code (dimension code),
is_time (logical), n_values (integer), and codes (list of tibbles).