fix(api): сохранять каталог speed-проб атомарно

tests/e2e/uptime-links.spec.ts

@@ -688,3 +688,39 @@ for (const active of [false, true]) test(`Speed interfaces: загрузка и
   }
   expect(interfaceCalls).toBe(2)
 })
+
+for (const invalid of ["2", "10junk", "3.5"]) test("Speed draft rejects invalid duration without PUT/" + invalid, async ({ page }) => {
+  const control = await setup(page, "/uptime", 0, false, "mm:uptime:write")
+  await page.getByRole("button", { name: "Пауза", exact: true }).click()
+  await page.getByRole("button", { name: /Скорость/ }).click()
+  await page.getByRole("button", { name: "Редактировать speed-пробу", exact: true }).click()
+  const dialog = page.getByRole("dialog"), input = dialog.locator("input").filter({ visible: true }).last()
+  await input.fill(invalid)
+  await dialog.getByRole("button", { name: "Сохранить", exact: true }).click()
+  await expect(dialog.getByRole("alert")).toContainText("Проверьте speed-пробы")
+  await expect(dialog).toBeVisible(); expect(control.writes).toEqual([])
+})
+for (const malformed of [false, true]) test("Speed save requires confirmation and shows scheduler warning/" + malformed, async ({ page }) => {
+  await setup(page, "/uptime", 0, false, "mm:uptime:write")
+  await page.getByRole("button", { name: "Пауза", exact: true }).click()
+  await page.getByRole("button", { name: /Скорость/ }).click()
+  let calls = 0
+  await page.route("**/api/uptime/speed-probes", route => {
+    if (route.request().method() !== "PUT") return route.fallback()
+    calls++; const body = route.request().postDataJSON()
+    expect(body.probes[0]).not.toHaveProperty("lastRunAt")
+    return route.fulfill({ json: malformed ? {} : { ok: true, warning: "Пробы сохранены, но расписание не обновлено. Проверьте состояние сборщика данных." } })
+  })
+  await page.getByRole("button", { name: "Редактировать speed-пробу", exact: true }).click()
+  const dialog = page.getByRole("dialog"), input = dialog.locator("input").filter({ visible: true }).last()
+  await input.fill("17")
+  await dialog.getByRole("button", { name: "Сохранить", exact: true }).click()
+  if (malformed) {
+    await expect(dialog.getByRole("alert")).toContainText("Ответ о сохранении speed-проб не подтверждён")
+    await expect(input).toHaveValue("17")
+  } else {
+    await expect(dialog).toBeHidden()
+    await expect(page.getByRole("status").filter({ hasText: "Пробы сохранены, но расписание" })).toBeVisible()
+  }
+  expect(calls).toBe(1)
+})