Get Daily Active Users

Get Daily Active Users (DAU) by tags for the last {MAX_DAYS} days ending on UTC today + 1 day.

This endpoint efficiently calculates unique users per tag for each of the last {MAX_DAYS} days using a single optimized SQL query, perfect for dashboard time series visualization.

Args: tag_filter: Optional filter to specific tag (legacy) tag_filters: Optional filter to multiple specific tags (takes precedence over tag_filter)

Returns: ActiveUsersAnalyticsResponse: DAU data by tag for each of the last {MAX_DAYS} days