Добавлено tracked_time_minutes в ответы API

Время из трекера не отправлялось в API, так как AssignmentResponse
создавался вручную без этого поля. Теперь tracked_time_minutes
передаётся во всех местах создания ответа.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/app/api/v1/wheel.py

@@ -442,6 +442,7 @@ async def get_current_assignment(marathon_id: int, current_user: CurrentUser, db
             drop_penalty=drop_penalty,
             bonus_challenges=bonus_responses,
             event_type=assignment.event_type,
+            tracked_time_minutes=assignment.tracked_time_minutes,
         )
 
     # Regular challenge assignment
@@ -477,6 +478,7 @@ async def get_current_assignment(marathon_id: int, current_user: CurrentUser, db
         completed_at=assignment.completed_at,
         drop_penalty=drop_penalty,
         event_type=assignment.event_type,
+        tracked_time_minutes=assignment.tracked_time_minutes,
     )
 
 
@@ -1115,6 +1117,7 @@ async def get_my_history(
                 started_at=a.started_at,
                 completed_at=a.completed_at,
                 bonus_challenges=bonus_responses,
+                tracked_time_minutes=a.tracked_time_minutes,
             ))
         else:
             # Regular challenge assignment
@@ -1147,6 +1150,7 @@ async def get_my_history(
                 streak_at_completion=a.streak_at_completion,
                 started_at=a.started_at,
                 completed_at=a.completed_at,
+                tracked_time_minutes=a.tracked_time_minutes,
             ))
 
     return responses