feat(voice): 百炼声音复刻create_voice + TTS instruction情绪驱动(主TTS-昔涟复刻音色)

internal/runtime/multimodal/voice/service.go

@@ -126,6 +126,12 @@ func (s *Service) TTS(ctx context.Context, text string) (Audio, error) {
 	return res.audio, res.err
 }
 
+// CloneVoice creates a custom voice, delegating to the underlying chain. It is a
+// one-shot admin operation (not a worker-pool job), so it runs directly.
+func (s *Service) CloneVoice(ctx context.Context, referenceURL, prefix string) (string, error) {
+	return s.chain.CloneVoice(ctx, referenceURL, prefix)
+}
+
 // submit enqueues j and blocks until the result or a cancellation.
 func (s *Service) submit(ctx context.Context, j job) (jobResult, error) {
 	select {