fix: 兼容MySQL渠道状态汇总查询并补充数据库回归

internal/data/business/channel.go

@@ -128,12 +128,12 @@ func (r *channelRepo) List(ctx context.Context, scope business.UserScope, filter
 			q = q.Where("e.qualified_at IS NULL")
 		}
 	}
-	var counts struct{ Total, Normal, Locked, Terminated int64 }
-	if err := q.Session(&gorm.Session{}).Select("COUNT(*) AS total,COALESCE(SUM(CASE WHEN COALESCE(p.lock_status,0)=0 THEN 1 ELSE 0 END),0) AS normal,COALESCE(SUM(CASE WHEN COALESCE(p.lock_status,0) NOT IN (0,-2) THEN 1 ELSE 0 END),0) AS locked,COALESCE(SUM(CASE WHEN p.lock_status=-2 THEN 1 ELSE 0 END),0) AS terminated").Scan(&counts).Error; err != nil {
+	var counts struct{ TotalCount, NormalCount, LockedCount, TerminatedCount int64 }
+	if err := q.Session(&gorm.Session{}).Select("COUNT(*) AS total_count,COALESCE(SUM(CASE WHEN COALESCE(p.lock_status,0)=0 THEN 1 ELSE 0 END),0) AS normal_count,COALESCE(SUM(CASE WHEN COALESCE(p.lock_status,0) NOT IN (0,-2) THEN 1 ELSE 0 END),0) AS locked_count,COALESCE(SUM(CASE WHEN p.lock_status=-2 THEN 1 ELSE 0 END),0) AS terminated_count").Scan(&counts).Error; err != nil {
 		return nil, business.ErrStorage
 	}
-	page.Total = counts.Total
-	page.StatusCounts = &business.ChannelStatusCounts{Normal: counts.Normal, Locked: counts.Locked, Terminated: counts.Terminated}
+	page.Total = counts.TotalCount
+	page.StatusCounts = &business.ChannelStatusCounts{Normal: counts.NormalCount, Locked: counts.LockedCount, Terminated: counts.TerminatedCount}
 	var pos []channelPO
 	o := business.NewListOptions(options...)
 	order := "p.create_time DESC,p.id DESC,p.source_db ASC"

internal/data/business/mysql_rehearsal_test.go

@@ -128,6 +128,29 @@ func TestMySQLAlertTriggerConcurrentDeduplication(t *testing.T) {
 	}
 }
 
+func TestMySQLChannelStatusSummaryAndEffectivenessFilter(t *testing.T) {
+	db := openRehearsalMySQL(t)
+	if err := db.AutoMigrate(&accountPO{}, &channelPO{}); err != nil {
+		t.Fatal(err)
+	}
+	for i, status := range []int{0, -1, -2} {
+		created := int64(1000 + i)
+		if err := db.Create(&channelPO{ID: uint64(i + 1), SourceDB: "lx", Account: fmt.Sprintf("channel-%d", i), LockStatus: &status, CreateTime: &created}).Error; err != nil {
+			t.Fatal(err)
+		}
+	}
+	r := NewChannelRepo(testData{db})
+	page, err := r.List(context.Background(), business.UserScope{All: true}, business.ChannelFilter{Sources: []string{"lx"}}, business.ListLimit(1))
+	if err != nil || page.Total != 3 || len(page.Rows) != 1 || page.StatusCounts.Normal != 1 || page.StatusCounts.Locked != 1 || page.StatusCounts.Terminated != 1 {
+		t.Fatalf("MySQL全量状态汇总与分页不一致: %+v %v", page, err)
+	}
+	yes := true
+	page, err = r.List(context.Background(), business.UserScope{All: true}, business.ChannelFilter{Sources: []string{"lx"}, Effective: &yes})
+	if err != nil || page.Total != 0 {
+		t.Fatalf("有效端筛选不能重复关联表或漏用筛选条件: %+v %v", page, err)
+	}
+}
+
 func TestMySQLRegistrationIndexPreservesCastAndUsesRange(t *testing.T) {
 	db := openRehearsalMySQL(t)
 	for _, statement := range []string{