feat(sync): full code sync from release

backend/internal/service/admin_service_bulk_update_test.go

@@ -15,6 +15,7 @@ type accountRepoStubForBulkUpdate struct {
 	bulkUpdateErr    error
 	bulkUpdateIDs    []int64
 	bindGroupErrByID map[int64]error
+	bindGroupsCalls  []int64
 	getByIDsAccounts []*Account
 	getByIDsErr      error
 	getByIDsCalled   bool
@@ -22,6 +23,8 @@ type accountRepoStubForBulkUpdate struct {
 	getByIDAccounts  map[int64]*Account
 	getByIDErrByID   map[int64]error
 	getByIDCalled    []int64
+	listByGroupData  map[int64][]Account
+	listByGroupErr   map[int64]error
 }
 
 func (s *accountRepoStubForBulkUpdate) BulkUpdate(_ context.Context, ids []int64, _ AccountBulkUpdate) (int64, error) {
@@ -33,6 +36,7 @@ func (s *accountRepoStubForBulkUpdate) BulkUpdate(_ context.Context, ids []int64
 }
 
 func (s *accountRepoStubForBulkUpdate) BindGroups(_ context.Context, accountID int64, _ []int64) error {
+	s.bindGroupsCalls = append(s.bindGroupsCalls, accountID)
 	if err, ok := s.bindGroupErrByID[accountID]; ok {
 		return err
 	}
@@ -59,6 +63,16 @@ func (s *accountRepoStubForBulkUpdate) GetByID(_ context.Context, id int64) (*Ac
 	return nil, errors.New("account not found")
 }
 
+func (s *accountRepoStubForBulkUpdate) ListByGroup(_ context.Context, groupID int64) ([]Account, error) {
+	if err, ok := s.listByGroupErr[groupID]; ok {
+		return nil, err
+	}
+	if rows, ok := s.listByGroupData[groupID]; ok {
+		return rows, nil
+	}
+	return nil, nil
+}
+
 // TestAdminService_BulkUpdateAccounts_AllSuccessIDs 验证批量更新成功时返回 success_ids/failed_ids。
 func TestAdminService_BulkUpdateAccounts_AllSuccessIDs(t *testing.T) {
 	repo := &accountRepoStubForBulkUpdate{}
@@ -86,7 +100,10 @@ func TestAdminService_BulkUpdateAccounts_PartialFailureIDs(t *testing.T) {
 			2: errors.New("bind failed"),
 		},
 	}
-	svc := &adminServiceImpl{accountRepo: repo}
+	svc := &adminServiceImpl{
+		accountRepo: repo,
+		groupRepo:   &groupRepoStubForAdmin{getByID: &Group{ID: 10, Name: "g10"}},
+	}
 
 	groupIDs := []int64{10}
 	schedulable := false
@@ -105,3 +122,51 @@ func TestAdminService_BulkUpdateAccounts_PartialFailureIDs(t *testing.T) {
 	require.ElementsMatch(t, []int64{2}, result.FailedIDs)
 	require.Len(t, result.Results, 3)
 }
+
+func TestAdminService_BulkUpdateAccounts_NilGroupRepoReturnsError(t *testing.T) {
+	repo := &accountRepoStubForBulkUpdate{}
+	svc := &adminServiceImpl{accountRepo: repo}
+
+	groupIDs := []int64{10}
+	input := &BulkUpdateAccountsInput{
+		AccountIDs: []int64{1},
+		GroupIDs:   &groupIDs,
+	}
+
+	result, err := svc.BulkUpdateAccounts(context.Background(), input)
+	require.Nil(t, result)
+	require.Error(t, err)
+	require.Contains(t, err.Error(), "group repository not configured")
+}
+
+func TestAdminService_BulkUpdateAccounts_MixedChannelCheckUsesUpdatedSnapshot(t *testing.T) {
+	repo := &accountRepoStubForBulkUpdate{
+		getByIDsAccounts: []*Account{
+			{ID: 1, Platform: PlatformAnthropic},
+			{ID: 2, Platform: PlatformAntigravity},
+		},
+		listByGroupData: map[int64][]Account{
+			10: {},
+		},
+	}
+	svc := &adminServiceImpl{
+		accountRepo: repo,
+		groupRepo:   &groupRepoStubForAdmin{getByID: &Group{ID: 10, Name: "目标分组"}},
+	}
+
+	groupIDs := []int64{10}
+	input := &BulkUpdateAccountsInput{
+		AccountIDs: []int64{1, 2},
+		GroupIDs:   &groupIDs,
+	}
+
+	result, err := svc.BulkUpdateAccounts(context.Background(), input)
+	require.NoError(t, err)
+	require.Equal(t, 1, result.Success)
+	require.Equal(t, 1, result.Failed)
+	require.ElementsMatch(t, []int64{1}, result.SuccessIDs)
+	require.ElementsMatch(t, []int64{2}, result.FailedIDs)
+	require.Len(t, result.Results, 2)
+	require.Contains(t, result.Results[1].Error, "mixed channel")
+	require.Equal(t, []int64{1}, repo.bindGroupsCalls)
+}