修复全量审查问题;设置接口PATCH化;回传指纹加固

internal/service/tenantdelete.go

@@ -231,11 +231,10 @@ func deleteTenantAI(tx *gorm.DB, id uint, result *tenantDeleteResult) error {
 	if len(channelIDs) == 0 {
 		return nil
 	}
-	callIDs, err := lockedAiCallIDs(tx, channelIDs)
-	if err != nil {
+	if err := lockAiCallRows(tx, channelIDs); err != nil {
 		return fmt.Errorf("load tenant AI calls: %w", err)
 	}
-	if err := deleteTenantAIRows(tx, channelIDs, callIDs); err != nil {
+	if err := deleteTenantAIRows(tx, channelIDs); err != nil {
 		return err
 	}
 	result.channelsGone = true
@@ -253,22 +252,19 @@ func lockedAiChannelIDs(tx *gorm.DB, id uint) ([]uint, error) {
 	return ids, err
 }
 
-func lockedAiCallIDs(tx *gorm.DB, channelIDs []uint) ([]uint, error) {
+// lockAiCallRows 对租户渠道的全部调用日志行加 FOR UPDATE 锁(SQLite 忽略,
+// MySQL/PG 阻塞并发写入);调用日志可达数万,ID 不回传拼接 SQL,
+// 内容日志删除用子查询,避免绑定变量上限。
+func lockAiCallRows(tx *gorm.DB, channelIDs []uint) error {
 	var rows []model.AiCallLog
-	err := tx.Clauses(clause.Locking{Strength: "UPDATE"}).Select("id").
+	return tx.Clauses(clause.Locking{Strength: "UPDATE"}).Select("id").
 		Where("channel_id IN ?", channelIDs).Order("id").Find(&rows).Error
-	ids := make([]uint, 0, len(rows))
-	for _, row := range rows {
-		ids = append(ids, row.ID)
-	}
-	return ids, err
 }
 
-func deleteTenantAIRows(tx *gorm.DB, channelIDs, callIDs []uint) error {
-	if len(callIDs) > 0 {
-		if err := deleteWhere(tx, &model.AiContentLog{}, "call_log_id IN ?", callIDs); err != nil {
-			return fmt.Errorf("delete tenant AI content logs: %w", err)
-		}
+func deleteTenantAIRows(tx *gorm.DB, channelIDs []uint) error {
+	callIDs := tx.Model(&model.AiCallLog{}).Select("id").Where("channel_id IN ?", channelIDs)
+	if err := deleteWhere(tx, &model.AiContentLog{}, "call_log_id IN (?)", callIDs); err != nil {
+		return fmt.Errorf("delete tenant AI content logs: %w", err)
 	}
 	steps := []struct {
 		name  string