Returns distribution charts for OS, browser, device type, daily activity timeline, and a day-of-week/hour-of-day peak usage heatmap. Results are cached. When more than 100k sessions match the filter and no institution/account filter is set, the date range is auto-narrowed to 3 days for memory safety. Distribution charts are capped at 100k most-recent sessions.
JWT token passed in x-access-token header