Add Cantonese language model support

Ariver

2026-07-02 0ffbf1935c9d091cce22a5583275ac0902f7a693

 privatevoice.src/internal/engine/engine_darwin_test.go

@@ -93,6 +93,40 @@
   }
}

func TestOfflineConfigForSenseVoiceYueSetsLanguageParam(t *testing.T) {
   root := t.TempDir()
   files := map[string]string{
      "model":  filepath.Join(root, "model.int8.onnx"),
      "tokens": filepath.Join(root, "tokens.txt"),
   }
   resolved := model.ResolvedModel{
      ModelID:     model.SenseVoiceYueModelID,
      BackendKind: model.BackendSenseVoice,
      Profile: model.ModelProfile{
         DisplayName:   "SenseVoice Yue",
         BackendKind:   model.BackendSenseVoice,
         LanguageParam: "yue",
         ProviderOrder: []string{"cpu"},
         NumThreads:    4,
      },
      Files: files,
   }

   config, err := offlineConfigForResolvedModel(resolved, "cpu")
   if err != nil {
      t.Fatal(err)
   }
   if config.ModelConfig.SenseVoice.Model != files["model"] {
      t.Fatalf("model = %q, want %q", config.ModelConfig.SenseVoice.Model, files["model"])
   }
   if config.ModelConfig.SenseVoice.Language != "yue" {
      t.Fatalf("language = %q, want yue", config.ModelConfig.SenseVoice.Language)
   }
   if config.ModelConfig.Tokens != files["tokens"] {
      t.Fatalf("tokens = %q, want %q", config.ModelConfig.Tokens, files["tokens"])
   }
}

func TestOnlineConfigForXASRUsesStreamingTransducer(t *testing.T) {
   root := t.TempDir()
   files := map[string]string{