Returns active calculated-reward objectives the player is eligible for based on target-group membership. Calculated-reward missions issue a dynamic reward amount per qualifying event using a formula (ebfrFormula) rather than counting completions toward a fixed goal.

These objectives are excluded from the regular Player missions endpoint and have no mission progress record (rewards are issued per qualifying event, not accumulated toward a goal). Use this endpoint to display available calculated-reward missions in the widget.

Only objectives with status = "active" are returned. Target-group filtering happens server-side.