fix

electron/main.ts

@@ -26,6 +26,7 @@ import { PackageStore } from './package-store.js'
 import { packageMediaResponse } from './package-media.js'
 import { prepareFetchHeaders } from './response-headers.js'
 import { fetchNetwork } from './network-fetch.js'
+import { playSoundCheck, soundCheckWav } from './sound-check.js'
 import type { HostInfo } from '../src/types/screen.js'
 
 // Ozone выбирается до main.js; поздний appendSwitch смешивает Wayland и X11.
@@ -421,6 +422,8 @@ app
         'X-Content-Type-Options': 'nosniff',
       }
       if (url.host !== 'app' || request.method !== 'GET') return new Response(null, { status: 404 })
+      if (url.pathname === '/sound-check.wav')
+        return new Response(soundCheckWav, { headers: { ...headers, 'Content-Type': 'audio/wav' } })
       if (url.pathname.startsWith('/packages/')) return packageMediaResponse(packages, request)
       if (url.pathname.startsWith('/media/')) {
         const media =
@@ -554,8 +557,25 @@ app
     control.on('unmaximize', scheduleSave)
     control.on('close', saveWindowSettings)
     secure(control)
+    let checkingSound = false
+    ipcMain.handle('check-sound', async (event) => {
+      requireControl(event)
+      if (checkingSound) throw new Error('Проверка звука уже выполняется')
+      checkingSound = true
+      try {
+        await audioOutput.prepare(async (id) => {
+          const window = audioDevicesWindow
+          if (!window || window.isDestroyed()) throw new Error('Проверка звука недоступна')
+          await setAudioSink(window, id)
+          await window.webContents.executeJavaScript(`(${playSoundCheck.toString()})()`)
+        })
+      } finally {
+        checkingSound = false
+      }
+    })
     ipcMain.handle('select-audio-output', (event, id: unknown) => {
       requireControl(event)
+      if (checkingSound) throw new Error('Подождите завершения проверки звука')
       return audioOutput.select(id)
     })
     ipcMain.handle('prepare-audio-output', async (event) => {