fix

electron/main.ts

@@ -25,6 +25,7 @@ import { Online } from './online.js'
 import type { OnlineState } from '../src/types/online.js'
 import { PackageStore } from './package-store.js'
 import { packageMediaResponse } from './package-media.js'
+import { prepareFetchHeaders } from './response-headers.js'
 import type { HostInfo } from '../src/types/screen.js'
 
 // Ozone выбирается до main.js; поздний appendSwitch смешивает Wayland и X11.
@@ -334,6 +335,7 @@ app
       diagnostics.record('settings-error')
       hostNotice = error instanceof Error ? error.message : 'Не удалось восстановить окна'
     }
+    prepareFetchHeaders(session.defaultSession)
     const fetchNetwork: typeof fetch = (input, init) =>
       net.fetch(input instanceof URL ? input.href : input, init)
     const packages = new PackageStore(join(app.getPath('userData'), 'packages'), {