Add X-ASR experimental backend

Ariver

2026-06-07 d435cd4b9754de4a567261b1a877add3af977d9a

 privatevoice.src/internal/model/registry.go

@@ -10,6 +10,7 @@
   BackendMoonshine      = "moonshine"
   BackendNemoTransducer = "nemo_transducer"
   BackendQwen3ASR       = "qwen3_asr"
   BackendXASRStreaming  = "x_asr_streaming"
)

var modelProfiles = map[string]ModelProfile{
@@ -180,6 +181,41 @@
      ProviderOrder: []string{"cpu"},
      NumThreads:    4,
   },
   XASRZhEn960ModelID: {
      ID:                   XASRZhEn960ModelID,
      DisplayName:          "X-ASR zh-en 960ms",
      BackendKind:          BackendXASRStreaming,
      Tier:                 "experimental",
      SupportedLanguageIDs: []string{DefaultLanguageID, "zh-Hans", "zh-Hant", "yue", EnglishLanguageID},
      RecommendedFor:       []string{DefaultLanguageID, EnglishLanguageID},
      Description:          "实验性中英流式模型，适合评估中英混输和未来边说边出字体验。",
      ApproxSize:           "单个 960 ms 模型目录约 586 MiB",
      InstallDirName:       "x-asr-zh-en-960ms",
      RequiredFiles: []RequiredFileRule{
         {
            Role:     "encoder",
            AllOf:    []string{"encoder-960ms.onnx"},
            Required: true,
         },
         {
            Role:     "decoder",
            AllOf:    []string{"decoder-960ms.onnx"},
            Required: true,
         },
         {
            Role:     "joiner",
            AllOf:    []string{"joiner-960ms.onnx"},
            Required: true,
         },
         {
            Role:     "tokens",
            AllOf:    []string{"tokens.txt"},
            Required: true,
         },
      },
      ProviderOrder: []string{"cpu"},
      NumThreads:    1,
   },
}

var languageProfiles = map[string]LanguageProfile{
@@ -190,7 +226,7 @@
      UILocale:        "zh",
      SystemMatchers:  []string{"zh", "zh-CN", "zh-Hans", "zh-Hant"},
      DefaultModelID:  DefaultModelID,
      UpgradeModelIDs: []string{Qwen3ASRModelID},
      UpgradeModelIDs: []string{Qwen3ASRModelID, XASRZhEn960ModelID},
   },
   EnglishLanguageID: {
      ID:              EnglishLanguageID,
@@ -199,7 +235,7 @@
      UILocale:        "en",
      SystemMatchers:  []string{"en", "en-US", "en-GB", "en-AU", "en-CA"},
      DefaultModelID:  MoonshineModelID,
      UpgradeModelIDs: []string{ParakeetModelID},
      UpgradeModelIDs: []string{ParakeetModelID, XASRZhEn960ModelID},
   },
}