fix/3823/my-predictions-feed-tweaks (#3844)

closes #3823

changes movement calculation to default to 0.0 if question has resolved at least 7 days ago
removes the "open" filter from movement feed

---------

Co-authored-by: claude[bot] <41898282+claude[bot]@users.noreply.github.com>
Co-authored-by: Luke Sabor <[email protected]>

Author: lsabor

front_end/src/app/(main)/questions/components/feed_filters/main.tsx

@@ -165,7 +165,6 @@ const MainFeedFilters: FC<Props> = ({
     if (
       [
         QuestionOrder.ActivityDesc,
-        QuestionOrder.WeeklyMovementDesc,
         QuestionOrder.PublishTimeDesc,
         QuestionOrder.CloseTimeAsc,
         QuestionOrder.NewsHotness,

questions/services/movement.py

@@ -29,6 +29,12 @@ def compute_question_movement(question: Question) -> float | None:
     if not cp_now:
         return
 
+    if question.resolution_set_time and question.resolution_set_time < now - timedelta(
+        days=7
+    ):
+        # questions that have resolved at least 7 days ago have no movement
+        return 0.0
+
     cp_previous = get_aggregations_at_time(
         question,
         now - get_question_movement_period(question),