fix(ui): учитывать неизвестный статус устройств VPN

tests/e2e/vpn-inventory.spec.ts

@@ -0,0 +1,20 @@
+import { test, expect } from "@playwright/test"
+
+for (const path of ["ipsec", "vxlan"]) {
+  for (const monitoring of ["null", "missing"]) {
+    test(`${path}: inventory без снимка мониторинга (${monitoring})`, async ({ page }) => {
+      await page.route("**/health", r => r.fulfill({ json: { ok: true } }))
+      await page.route("**/api/**", r => {
+        const url = new URL(r.request().url()).pathname
+        const server = { id: 1, name: "Без первого опроса", host: "192.0.2.1", enabled: true, country: "RU", type: "exit-node", ...(monitoring === "null" ? { status: null, latency: null } : {}) }
+        return r.fulfill({ json: url === "/api/servers" ? [server] : url === "/api/ipsec" ? { servers: [], clients: [] } : url === "/api/vxlan" ? { tunnels: [] } : url === "/api/auth/config" ? { required: false } : {} })
+      })
+      await page.goto("/" + path)
+      const device = page.getByRole("option").filter({ hasText: "Без первого опроса" })
+      await expect(device).toBeVisible()
+      await expect(device).toContainText("Статус неизвестен")
+      await expect(page.getByRole("alert").filter({ hasText: /Некорректный ответ|Не удалось загрузить/ })).toHaveCount(0)
+      await expect(page.getByRole("button", { name: "Обновить", exact: true })).toBeEnabled()
+    })
+  }
+}