feat: track authenticated user activity

backend/internal/service/admin_service_delete_test.go

@@ -107,6 +107,18 @@ func (s *userRepoStub) ListWithFilters(ctx context.Context, params pagination.Pa
 	panic("unexpected ListWithFilters call")
 }
 
+func (s *userRepoStub) GetLatestUsedAtByUserIDs(ctx context.Context, userIDs []int64) (map[int64]*time.Time, error) {
+	panic("unexpected GetLatestUsedAtByUserIDs call")
+}
+
+func (s *userRepoStub) GetLatestUsedAtByUserID(ctx context.Context, userID int64) (*time.Time, error) {
+	panic("unexpected GetLatestUsedAtByUserID call")
+}
+
+func (s *userRepoStub) UpdateUserLastActiveAt(ctx context.Context, userID int64, activeAt time.Time) error {
+	panic("unexpected UpdateUserLastActiveAt call")
+}
+
 func (s *userRepoStub) UpdateBalance(ctx context.Context, id int64, amount float64) error {
 	panic("unexpected UpdateBalance call")
 }