fix(ui): сохранять явный выбор туннеля диагностики

tests/e2e/probes-layout.spec.ts

@@ -18,3 +18,13 @@ test("Диагностика: недоступный clipboard сохраняе
  await page.addInitScript(()=>Object.defineProperty(navigator,"clipboard",{value:{writeText:()=>Promise.reject(new Error("permission denied"))},configurable:true}))
  await page.goto("/probes?server=1");await page.getByRole("button",{name:"Скопировать параметры диагностики"}).click();await expect(page.getByText(/Не удалось скопировать/)).toBeVisible();await expect(page.getByRole("textbox",{name:"Цель диагностики"})).toHaveValue("8.8.8.8")
 })
+
+test("Диагностика: клавиатура, подтверждённый clipboard и место DNS",async({page})=>{
+ await page.route("**/health",r=>r.fulfill({json:{ok:true}}));await page.route("**/api/**",r=>r.fulfill({json:new URL(r.request().url()).pathname==="/api/servers"?[{id:1,name:"Устройство",host:"192.0.2.1",enabled:true,status:null,type:"exit-node"}]:new URL(r.request().url()).pathname==="/api/auth/config"?{required:false}:{tunnels:[]}}))
+ await page.addInitScript(()=>Object.defineProperty(navigator,"clipboard",{value:{writeText:async(text:string)=>{sessionStorage.setItem("test-clipboard",text)}},configurable:true}))
+ await page.route("**/api/servers/1/probes/run",r=>r.fulfill({json:{output:"example.test. IN CNAME target.test."}}))
+ await page.goto("/probes?server=1");const dns=page.getByRole("button",{name:"DNS",exact:true});await dns.focus();await page.keyboard.press("Enter");const cname=page.getByRole("button",{name:"CNAME",exact:true});await cname.focus();await page.keyboard.press("Space");await expect(cname).toHaveAttribute("aria-pressed","true")
+ const target=page.getByRole("textbox",{name:"Домен"});await target.fill("example.test");await target.press("Enter");const region=page.getByRole("region",{name:/^Вывод DNS/});await expect(region).toContainText("example.test. IN CNAME target.test.");await expect(target).toBeFocused();await expect(page.getByText("DNS приложения",{exact:true})).toBeVisible()
+ const copy=page.getByRole("button",{name:/^Скопировать показанный вывод/});await copy.focus();await page.keyboard.press("Enter");await expect(page.getByText("Скопировано.",{exact:true})).toBeVisible();expect(await page.evaluate(()=>sessionStorage.getItem("test-clipboard"))).toBe("example.test. IN CNAME target.test.")
+ const remove=page.getByRole("button",{name:/^Удалить результат/});await remove.focus();await page.keyboard.press("Enter");await expect(region).toHaveCount(0);await expect(page.getByRole("button",{name:"Запустить",exact:true})).toBeFocused()
+})