fix(ipsec): учитывать несколько сессий без ложного офлайн

tests/e2e/ipsec-data.spec.ts

@@ -6,6 +6,32 @@ const servers = [1, 2].map(id => ({ id, name: "Роутер " + id, host: "192.0
 const full = { servers: [summary("1"), summary("2")], clients: [client("1"), client("2")] }
 
 for (const width of [1280, 320]) {
+  test(`IPsec: несколько сессий одного клиента без произвольного адреса ${width}px`, async ({ page }) => {
+    await page.setViewportSize({ width, height: 1000 })
+    let phase = 0
+    await page.route("**/health", r => r.fulfill({ json: { ok: true } }))
+    await page.route("**/api/**", r => {
+      const path = new URL(r.request().url()).pathname
+      return r.fulfill({ json: path === "/api/ipsec" ? {
+        servers: [{ ...summary("1"), clientsOnline: phase === 2 ? 0 : 1 }],
+        clients: [{ ...client("1"), online: phase !== 2, ...(phase === 1 ? { activeAddress: "198.18.113.250", activeSince: "1m" } : {}) }],
+      } : path === "/api/servers" ? servers : path === "/api/auth/config" ? { required: false } : {} })
+    })
+    await page.goto("/ipsec?server=1")
+    const rows = page.locator("tr[data-row-id]")
+    await expect(rows.getByText("онлайн", { exact: true })).toHaveCount(1)
+    await expect(rows.getByText("офлайн", { exact: true })).toHaveCount(0)
+    await expect(rows.getByText("Не определено", { exact: true })).toHaveCount(0)
+    await expect(page.getByLabel("Сводка IPsec")).not.toContainText("—")
+    expect(await page.evaluate(() => document.documentElement.scrollWidth <= innerWidth)).toBe(true)
+    phase = 1
+    await page.getByRole("button", { name: "Обновить", exact: true }).click()
+    await expect(rows.getByText("198.18.113.250", { exact: true })).toHaveCount(1)
+    phase = 2
+    await page.getByRole("button", { name: "Обновить", exact: true }).click()
+    await expect(rows.getByText("офлайн", { exact: true })).toHaveCount(1)
+    await expect(rows.getByText("198.18.113.250", { exact: true })).toHaveCount(0)
+  })
   test(`IPsec: неоднозначная сессия и восстановление статуса ${width}px`, async ({ page }) => {
     await page.setViewportSize({ width, height: 1000 })
     let phase = 0