feat: deliver emergent Jajce commitments

simulation/state/QuestJournalEntryStateRecord.gd

@@ -154,6 +154,16 @@ func set_tracking_preference(preference: StringName) -> bool:
 	return true
 
 
+func select_alternative(alternative_id: StringName) -> bool:
+	if not is_active() or alternative_id.is_empty():
+		return false
+	var selected := get_selected_alternative_id()
+	if not selected.is_empty() and selected != alternative_id:
+		return false
+	data["selected_alternative_id"] = String(alternative_id)
+	return true
+
+
 func archive(closed_tick: int) -> bool:
 	return close(STATUS_ARCHIVED, closed_tick)