Succinctly, we "pivot" Xarray Datasets (with consistent dimensions) to treat them like tables so we can run SQL queries against them. This is a light-weight way to prove the value of the interface.
garmin_downloads/ ├── activity_json/ ← Activity details (JSON, every activity) │ ├── 2024-03-15-14-32-10_activity_1001_running_Downtown_Running.json ...