fix(ui): проверять данные трафика без подстановки нулей в серии

tests/e2e/dashboard-data.spec.ts

@@ -4,7 +4,7 @@ import { serverReadSchema } from "../../packages/contracts/src/servers"
 import {bgpSession} from "./fixtures/bgp"
 
 async function setup(page: Page, initiallyFailed = false, serverCount = 1, initialBgpPayload?:unknown) {
-  const control = { failed: initiallyFailed, partial: false, prefixes: 321 as number|null, bgpPayload: initialBgpPayload as unknown, hold: false, holdPath: "/api/bgp/catalog", fallback: false, failFallback: false, pending: 0, release: () => {} }
+  const control = { failed: initiallyFailed, partial: false, prefixes: 321 as number|null, trafficPayload: undefined as unknown, bgpPayload: initialBgpPayload as unknown, hold: false, holdPath: "/api/bgp/catalog", fallback: false, failFallback: false, pending: 0, release: () => {} }
   let release!: () => void
   const gate = new Promise<void>(resolve => { release = resolve })
   control.release = release
@@ -33,7 +33,7 @@ async function setup(page: Page, initiallyFailed = false, serverCount = 1, initi
       : path === "/api/filters/gre-tunnels" ? { tunnels: [{ id: "g1", name: "GRE сохранён", status: "down", serverId: "1" }] }
       : path === "/api/wireguard" ? { interfaces: [], peers: [] }
       : path === "/api/vxlan" ? { tunnels: [] }
-      : path === "/api/traffic/servers" ? { servers: [{ id: "1", rxNow: 1000, txNow: 500, rxSeries: [1000], txSeries: [500] }] }
+      : path === "/api/traffic/servers" ? control.trafficPayload !== undefined ? control.trafficPayload : { servers: [{ id: "1", rxNow: 1000, txNow: 500, rxSeries: [1000], txSeries: [500] }] }
       : path === "/api/internet-path/latest" ? { snapshot: control.fallback ? null : snapshot }
       : path === "/api/uptime/speed-probes" ? { probes: [] }
       : path === "/api/events" ? { events: [{ id: "e1", title: "Событие сохранено", message: "Тестовое событие", level: "info", sourceModule: "system", eventType: "test", createdAt: "2026-09-20T00:00:00Z", entityId: null, entityType: null, payload: {} }] } : {}
@@ -216,3 +216,7 @@ for(const unknown of ["prefix","state"])test("Dashboard BGP accepts observed unk
  const control=await setup(page);await expect(bgp(page)).toContainText("321");await expect(refresh(page)).toBeEnabled();control.bgpPayload={sessions:[unknown==="prefix"?bgpSession(1,null):{...bgpSession(),state:"Unknown"}],failures:[]};await refresh(page).click();await expect(bgp(page)).toContainText("—");await expect(bgp(page)).toContainText("префиксы неизвестны");await expect(bgp(page)).toContainText(unknown==="prefix"?"Сессий установлено: 1":"Сессий установлено: неизвестно");await expect(page.locator('[data-source="bgp"]')).not.toContainText("ошибка");
  control.bgpPayload={sessions:[],failures:[]};await refresh(page).click();await expect(bgp(page)).toContainText("Сессий установлено: 0");await expect(bgp(page)).not.toContainText("—");
 })
+
+for(const broken of ["missing","duplicate","counter","null","length"])test("Dashboard traffic rejects unconfirmed totals and keeps last good/"+broken,async({page})=>{
+ const control=await setup(page);const source=page.locator('[data-source="traffic"]');await expect(refresh(page)).toBeEnabled();await expect(source.locator("time")).toHaveCount(1);const receivedAt=await source.locator("time").getAttribute("datetime");const rate={id:"1",rxNow:1000,txNow:500,rxSeries:[1000],txSeries:[500]};control.trafficPayload=broken==="missing"?{}:broken==="duplicate"?{servers:[rate,rate]}:broken==="counter"?{servers:[{...rate,rxNow:-1}]}:broken==="null"?{servers:[{...rate,rxNow:null}]}:{servers:[{...rate,txSeries:[]}]};await refresh(page).click();await expect(source).toContainText("ошибка обновления");await expect(source.locator("time")).toHaveAttribute("datetime",receivedAt!);await expect(page.getByText("RX 1.00 Гбит/с",{exact:true})).toBeVisible();await expect(page.locator('[data-source="servers"]')).not.toContainText("ошибка");control.trafficPayload={servers:[]};await refresh(page).click();await expect(source).not.toContainText("ошибка");await expect(page.getByText("Нет исторических измерений за выбранный период",{exact:true})).toBeVisible();await expect(page.getByText("RX 0 Кбит/с",{exact:true})).toBeVisible();
+})