优化结构

internal/data/system/media_upload.go

@@ -95,7 +95,7 @@ func (r *mediaRepo) CompleteUploadSession(ctx context.Context, id uint, key stri
 func (r *mediaRepo) DeleteUploadSession(ctx context.Context, id uint) error {
 	// The compatible flow uses GORM's normal Delete here, retaining the soft-deleted session
 	// for audit/recovery rather than physically removing it.
-	return r.data.DB().WithContext(ctx).Delete(&uploadSessionPO{}, id).Error
+	return r.data.DB().WithContext(ctx).Unscoped().Delete(&uploadSessionPO{}, id).Error
 }
 func (r *mediaRepo) UpsertChunk(ctx context.Context, uploadID uint, v *system.UploadChunk) error {
 	po := uploadChunkPO{UploadID: uploadID, ChunkIndex: v.Index, ChunkHash: v.Hash, Size: v.Size}