Remove summary from list API responses

Summary statistics are now calculated client-side from kanban data.
This removes the summary field from MyResidencesResponse and
KanbanBoardResponse. Mutation endpoints still return summary via
WithSummaryResponse<T> for immediate cache updates.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

internal/services/task_service.go

@@ -116,9 +116,7 @@ func (s *TaskService) ListTasks(userID uint, now time.Time) (*responses.KanbanBo
 	}
 
 	resp := responses.NewKanbanBoardResponseForAll(board)
-	// Include summary for dashboard stats
-	summary := s.getSummaryForUser(userID)
-	resp.Summary = &summary
+	// NOTE: Summary statistics are calculated client-side from kanban data
 	return &resp, nil
 }
 
@@ -145,9 +143,7 @@ func (s *TaskService) GetTasksByResidence(residenceID, userID uint, daysThreshol
 	}
 
 	resp := responses.NewKanbanBoardResponse(board, residenceID)
-	// Include summary for dashboard stats
-	summary := s.getSummaryForUser(userID)
-	resp.Summary = &summary
+	// NOTE: Summary statistics are calculated client-side from kanban data
 	return &resp, nil
 }