André Padez c580ddbcb8 mock sales and subscription data, and the generator that makes it ...

two shapes, because a dashboard gets asked to do two things: daily orders with
seasonality worth charting, and a subscription list where 'active' is a
calculation over dates rather than a column.

both as .xlsx and .csv. the excel files are the realistic input and the csv
twins need no parser, so an app can read them with nothing installed.

the generator has no dependencies — an xlsx is a zip of xml and it writes one
directly. fixed seed, so a re-run is byte-identical and a diff means the
generator changed rather than the data drifting.

2026-08-25 20:16:44 +00:00

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