Mertinlow fixture set v1

These files contain deterministic synthetic service events, generated locally.
No production records, names, addresses, credentials or tracking data are included.
CSV: UTF-8, comma delimited, header row, LF line endings.
NDJSON: UTF-8, one complete JSON object per line, LF line endings.
The smaller CSV files are prefixes of the larger CSV files.
Timestamps and values are examples, not observations or current measurements.

Permission is granted to use, copy, modify and redistribute these fixtures for
any purpose, without charge. The files are provided without warranty.
