fix(uptime): сбросить снимок при смене пары и сохранить историю

tests/e2e/uptime-links.spec.ts

@@ -1,6 +1,6 @@
 import { test, expect, type Page } from "@playwright/test"
 
-async function setup(page: Page, url: string, failed = 0, longNames = false, permission?: string, isAdmin = false) {
+async function setup(page: Page, url: string, failed = 0, longNames = false, permission?: string, isAdmin = false, thirdServer = false) {
   const control = { writes: [] as { method: string; path: string; body: unknown }[], failed, posts: [] as { path: string; body: unknown }[] }
   const servers = [{ id: 1, name: "Источник", host: "192.0.2.1", type: "exit-node", enabled: true, country: "RU", site: "TEST", asn: "64512", status: "online", latency: 1, os: "7", model: "CHR", sessions:0, wanUplinks: [] }]
   const probes = ["p1", "p/2"].map(id => ({ id, srcServerId: "1", name: "Проверка сети", target: "192.0.2.10", filter: "main", rtt: null, loss: 100, status: "down", series: [0], enabled: true, showOnDashboard: false }))
@@ -8,6 +8,7 @@ async function setup(page: Page, url: string, failed = 0, longNames = false, per
     await page.addInitScript(token => localStorage.setItem("mmapp_token", token), uptimeToken(permission, isAdmin))
     servers.push({ ...servers[0], id: 2, name: "Назначение", host: "192.0.2.2" })
   }
+  if (thirdServer) servers.push({ ...servers[0], id: 3, name: "Новое назначение", host: "192.0.2.3" })
   if (longNames) {
     servers[0].name = "Источник-с-длинным-названием-площадки-для-проверки-переноса"
     probes.forEach(p => { p.name = "Проверка-доступности-длинного-имени-сетевого-узла"; p.target = "router-with-a-long-hostname.example.test"; p.filter = "Фильтр-с-длинным-названием" })
@@ -818,3 +819,45 @@ test("Speed-test: конфликт пары устройств сохраняе
   await expect(run.locator("xpath=../../..")).toContainText("Назначение")
   expect(calls).toBe(1)
 })
+
+test("Speed snapshot: смена пары сбрасывает снимок после подтверждения, история сохраняется", async ({ page }) => {
+  await setup(page, "/uptime?probe=p1", 0, false, "mm:uptime:write", false, true)
+  await page.getByRole("button", { name: "Пауза", exact: true }).click()
+  await page.getByRole("button", { name: /Скорость/ }).click()
+  await page.route("**/api/uptime/speed-test", route => route.fulfill({ json: { ok: true, result: { runId: route.request().postDataJSON().runId, txAvgMbps: 30, rxAvgMbps: 80 } } }))
+  let fail = true, writes = 0
+  await page.route("**/api/uptime/speed-probes", route => {
+    if (route.request().method() !== "PUT") return route.fallback()
+    writes++
+    return route.fulfill(fail ? { status: 500, json: { error: "Пара не сохранена" } } : { json: { ok: true } })
+  })
+  const run = page.getByRole("button", { name: "Запустить", exact: true })
+  const row = () => page.getByRole("button", { name: "Запустить", exact: true, includeHidden: true }).locator("xpath=../../..")
+  await run.click()
+  await expect(row().getByText("80 Мбит/с", { exact: true })).toBeVisible()
+  const history = page.getByRole("table")
+  await expect(history).toContainText("80")
+  const summary = page.locator('[aria-label="Сводка speed-проб"]')
+  await expect(summary).toContainText("1 run")
+  await page.getByRole("button", { name: "Редактировать speed-пробу", exact: true }).click()
+  const dialog = page.getByRole("dialog")
+  const destination = () => dialog.locator('[data-slot="field"]').filter({ has: page.locator('[data-slot="field-label"]').filter({ hasText: /^Назначение$/ }) })
+  await destination().getByRole("button", { name: /Новое назначение/ }).click()
+  await dialog.getByRole("button", { name: "Сохранить", exact: true }).click()
+  await expect(dialog.getByRole("alert")).toContainText("Пара не сохранена")
+  await expect(row()).toContainText("80 Мбит/с")
+  fail = false
+  await dialog.getByRole("button", { name: "Сохранить", exact: true }).click()
+  await expect(dialog).toBeHidden()
+  await expect(row()).toContainText("Новое назначение")
+  await expect(row()).not.toContainText("80 Мбит/с")
+  await expect(summary).toContainText("1 run")
+  await expect(history).toContainText("80")
+  await page.getByRole("button", { name: "Редактировать speed-пробу", exact: true }).click()
+  await destination().getByRole("button", { name: /Назначение / }).click()
+  await dialog.getByRole("button", { name: "Сохранить", exact: true }).click()
+  await expect(dialog).toBeHidden()
+  await expect(row()).not.toContainText("80 Мбит/с")
+  await expect(history).toContainText("80")
+  expect(writes).toBe(3)
+})