Header-only files for one book at one as-of date.
These are not example data — only column names.
Click a table to see fields, keys, and M/O/C.
Download Excel template is two sheets: input (header) and structure (this field list).
CSV is the header only. Copy the filled CSV or a Parquet file into the book’s input/ — do not upload the workbook.
You do not pull from git first.
Spec: Data requirements.