增加即梦图片5.0和视频2.5的能力

backend/internal/orchestration/creation.go

@@ -245,7 +245,7 @@ func retryEngine(provider, capability string) string {
 	switch provider {
 	case "volcengine-visual":
 		return "jimeng"
-	case "evolink", "bailian":
+	case "evolink", "bailian", "seedream":
 		return provider
 	default:
 		return ""