Fix missing model language switch flow

Ariver

2026-06-24 4a9a4cec1739007936d434a6a51180158e25078b

 privatevoice.src/frontend/src/components/settings/LanguagePage.svelte

@@ -78,7 +78,6 @@
        engineStatus.set('loading')
      } else {
        engineHardwareInfo.set('')
        engineStatus.set('need_model')
      }
      await Call.ByName('voicesnap/services.EngineService.ReloadCurrentModel')
    } catch {}
@@ -125,13 +124,13 @@
      }
      return t('settings.modelWorking')
    }
    if (option.isCurrent) return t('settings.modelCurrent')
    if (option.isCurrent && option.installed) return t('settings.modelCurrent')
    if (option.installed) return t('settings.modelUse')
    return t('settings.modelDownload')
  }

  async function onModelAction(option: ModelOption) {
    if (option.isCurrent || modelBusyID) return
    if ((option.isCurrent && option.installed) || modelBusyID) return
    modelBusyID = option.modelID
    modelProgress = 0
    modelError = ''
@@ -232,8 +231,8 @@
          <div class="model-main">
            <div class="model-title-row">
              <span class="model-title">{option.displayName}</span>
              <span class="model-pill" class:current={option.isCurrent}>
                {option.isCurrent ? t('settings.modelCurrent') : modelTierLabel(option)}
              <span class="model-pill" class:current={option.isCurrent && option.installed}>
                {option.isCurrent && option.installed ? t('settings.modelCurrent') : modelTierLabel(option)}
              </span>
            </div>
            <span class="model-desc">{modelDescription(option)}</span>
@@ -244,7 +243,7 @@
              {/if}
            </span>
          </div>
          {#if option.isCurrent}
          {#if option.isCurrent && option.installed}
            <span class="model-current-status">{t('settings.modelCurrent')}</span>
          {:else}
            <button