From 0ffbf1935c9d091cce22a5583275ac0902f7a693 Mon Sep 17 00:00:00 2001
From: Ariver <shanghai3168@gmail.com>
Date: Thu, 02 Jul 2026 03:04:51 +0800
Subject: [PATCH] Add Cantonese language model support

---
 privatevoice.src/frontend/src/components/settings/LanguagePage.svelte |   66 ++++++++++++++++++++++++++++-----
 1 files changed, 56 insertions(+), 10 deletions(-)

diff --git a/privatevoice.src/frontend/src/components/settings/LanguagePage.svelte b/privatevoice.src/frontend/src/components/settings/LanguagePage.svelte
index d486394..f989836 100644
--- a/privatevoice.src/frontend/src/components/settings/LanguagePage.svelte
+++ b/privatevoice.src/frontend/src/components/settings/LanguagePage.svelte
@@ -3,7 +3,7 @@
   import { t, setLocale } from '../../lib/i18n'
   import { languageMode, languageID, effectiveLanguageID, uiLocale } from '../../lib/stores/config'
   import type { UILocale } from '../../lib/stores/config'
-  import { engineStatus, engineHardwareInfo } from '../../lib/stores/app'
+  import { engineStatus } from '../../lib/stores/app'
 
   interface ModelOption {
     modelID: string
@@ -36,6 +36,7 @@
   let modelCancellingID = $state('')
   let modelProgress = $state(0)
   let modelError = $state('')
+  let pendingLanguageID = $state('')
 
   const unsub1 = languageMode.subscribe(v => { languageModeVal = v })
   const unsub2 = languageID.subscribe(v => { languageIDVal = v })
@@ -101,21 +102,37 @@
   async function syncEngineForCurrentModel() {
     try {
       const current: any = await Call.ByName('voicesnap/services.EngineService.GetCurrentModelStatus')
-      if (current?.installed) {
-        engineStatus.set('loading')
-      } else {
-        engineHardwareInfo.set('')
-      }
+      if (!current?.installed) return
+      engineStatus.set('loading')
       await Call.ByName('voicesnap/services.EngineService.ReloadCurrentModel')
     } catch {}
   }
 
   async function loadModelOptions() {
+    if (pendingLanguageID) {
+      await loadModelOptionsForLanguage(pendingLanguageID)
+      return
+    }
+    await loadCurrentModelOptions()
+  }
+
+  async function loadCurrentModelOptions() {
     try {
       const options: any = await Call.ByName('voicesnap/services.EngineService.ListModelOptions')
       modelOptions = Array.isArray(options) ? options : []
     } catch {
       modelOptions = []
+    }
+  }
+
+  async function loadModelOptionsForLanguage(selection: string): Promise<ModelOption[]> {
+    try {
+      const options: any = await Call.ByName('voicesnap/services.EngineService.ListModelOptionsForLanguage', selection)
+      modelOptions = Array.isArray(options) ? options : []
+      return modelOptions
+    } catch {
+      modelOptions = []
+      return []
     }
   }
 
@@ -159,6 +176,7 @@
       case 'zipformer-ja-reazonspeech': return t('models.japaneseDesc')
       case 'zipformer-ko': return t('models.koreanDesc')
       case 'qwen3-asr-0.6b': return t('models.qwen3Desc')
+      case 'sensevoice-yue-2025-09-09': return t('models.sensevoiceYueDesc')
       default: return option.description || ''
     }
   }
@@ -278,9 +296,23 @@
     try {
       if (option.installed) {
         engineStatus.set('loading')
-        await Call.ByName('voicesnap/services.EngineService.SelectModel', option.modelID)
+        if (pendingLanguageID) {
+          await Call.ByName('voicesnap/services.EngineService.SelectModelForLanguage', pendingLanguageID, option.modelID)
+          pendingLanguageID = ''
+          const settings: any = await Call.ByName('voicesnap/services.ConfigService.GetLanguageSettings')
+          applyLanguageSettings(settings)
+        } else {
+          await Call.ByName('voicesnap/services.EngineService.SelectModel', option.modelID)
+        }
       } else {
-        await Call.ByName('voicesnap/services.EngineService.DownloadModelByID', option.modelID)
+        if (pendingLanguageID) {
+          await Call.ByName('voicesnap/services.EngineService.DownloadModelByIDForLanguage', pendingLanguageID, option.modelID)
+          pendingLanguageID = ''
+          const settings: any = await Call.ByName('voicesnap/services.ConfigService.GetLanguageSettings')
+          applyLanguageSettings(settings)
+        } else {
+          await Call.ByName('voicesnap/services.EngineService.DownloadModelByID', option.modelID)
+        }
         engineStatus.set('loading')
       }
       await loadModelOptions()
@@ -307,16 +339,28 @@
   async function onLanguageChange(selection: string) {
     const prevMode = languageModeVal
     const prevID = languageIDVal
+    const prevEffectiveID = effectiveLanguageIDVal
+    const prevPendingID = pendingLanguageID
     if (selection === 'auto') {
+      pendingLanguageID = ''
       languageModeVal = 'auto'
       languageMode.set('auto')
     } else {
       languageModeVal = 'manual'
       languageIDVal = selection
-      languageMode.set('manual')
-      languageID.set(selection)
     }
     try {
+      if (selection !== 'auto') {
+        const options = await loadModelOptionsForLanguage(selection)
+        const defaultInstalled = options.some(option => option.isDefault && option.installed)
+        if (!defaultInstalled) {
+          pendingLanguageID = selection
+          effectiveLanguageIDVal = selection
+          await syncModelDownloadStatus()
+          return
+        }
+      }
+      pendingLanguageID = ''
       const settings: any = selection === 'auto'
         ? await Call.ByName('voicesnap/services.ConfigService.SetLanguageAuto')
         : await Call.ByName('voicesnap/services.ConfigService.SetLanguageManual', selection)
@@ -327,6 +371,8 @@
     } catch {
       languageModeVal = prevMode
       languageIDVal = prevID
+      effectiveLanguageIDVal = prevEffectiveID
+      pendingLanguageID = prevPendingID
       languageMode.set(prevMode)
       languageID.set(prevID)
     }

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