fix(uptime): показывать реальные наблюдения и пропуски RTT на дашборде

tests/e2e/dashboard-data.spec.ts

@@ -236,3 +236,8 @@ for(const kind of ["servers","probes"])for(const broken of ["missing","duplicate
 test("Dashboard unknown server status is not reported offline or healthy",async({page})=>{
  const control=await setup(page);await expect(refresh(page)).toBeEnabled();control.serversPayload=[{id:1,name:"Неопрошенный узел",host:"192.0.2.1",site:"TEST",country:"RU",asn:"64512",type:"exit-node",enabled:true,status:null,latency:null,os:null,model:null,sessions:0}];await refresh(page).click();const tile=page.getByRole("link").filter({hasText:"Серверы онлайн"});await expect(tile).toContainText("Статус неизвестен: 1");await expect(tile).not.toContainText("не в сети");await expect(page.getByRole("region",{name:"Требует внимания",exact:true}).getByRole("link",{name:/Неопрошенный узел/})).toContainText("Статус неизвестен");await expect(page.getByText("Серверы без проблем",{exact:true})).toHaveCount(0);await expect(page.locator('[data-source="servers"]')).not.toContainText("ошибка");
 })
+
+for(const state of ["legacy","unmeasured","zero","failure","gaps","invalid"])test("Dashboard ping distinguishes observed and missing measurements/"+state,async({page})=>{
+ const control=await setup(page);await expect(refresh(page)).toBeEnabled();const probe={id:"ping-observation",srcServerId:"1",name:"Измерение ping",target:"192.0.2.2",filter:"main",rtt:0,loss:0,status:"up",series:[0],enabled:true,showOnDashboard:true};const sample=(minute:number,rtt:number|null,status="up",loss=0)=>({sampledAt:"2026-10-03T00:"+String(minute).padStart(2,"0")+":00Z",rtt,status,loss});const samples=state==="unmeasured"?[]:state==="failure"?[sample(30,null,"down",100)]:state==="gaps"?[sample(29,5),sample(30,6),sample(32,0)]:state==="invalid"?[sample(30,0),sample(30,0)]:[sample(30,0)];control.probesPayload=state==="legacy"?{probes:[probe]}:{rangeStartAt:"2026-10-03T00:00:00Z",rangeEndAt:"2026-10-03T01:00:00Z",probes:[{...probe,observations:{samples}}]};await refresh(page).click();await expect(refresh(page)).toBeEnabled();const source=page.locator('[data-source="probes"]');if(state==="invalid"){await expect(source).toContainText("ошибка обновления");return}await expect(source).not.toContainText("ошибка");const row=page.locator('tr[data-row-id]').filter({hasText:"Измерение ping"});await expect(row).toHaveCount(1);
+ if(state==="legacy"||state==="unmeasured"){await expect(row).toContainText("Неизвестно");await expect(page.getByRole("link").filter({hasText:"Проверки с проблемами"})).toContainText("неизвестны: 1");await expect(page.getByText("Проверки без ошибок",{exact:true})).toHaveCount(0);await expect(row).not.toContainText("100%");await expect(page.locator('[data-latency-source]')).toHaveCount(0)}else if(state==="failure"){await expect(row).toContainText("Оффлайн");await expect(row).toContainText("100%");await expect(page.getByRole("link").filter({hasText:"Проверки с проблемами"})).toContainText("1 ошибок")}else{await expect(row).toContainText("Онлайн");await expect(row).toContainText("0%");await expect(page.locator('[data-latency-isolated]')).toHaveCount(1);if(state==="gaps"){await expect(page.locator('.recharts-line-curve')).toHaveAttribute("d",/M.*M/);for(const width of [1440,320]){await page.setViewportSize({width,height:900});await page.getByRole("region",{name:"История RTT по источникам",exact:true}).scrollIntoViewIfNeeded();expect(await page.evaluate(()=>document.documentElement.scrollWidth<=innerWidth)).toBe(true);await page.screenshot({path:"docs/ux-ui/screens/dashboard-observed-ping-"+width+".png",animations:"disabled"})}}else await expect(page.locator('[data-latency-segment]')).toHaveCount(0);await expect(source.locator("time").last()).toHaveAttribute("datetime",new Date(samples.at(-1)!.sampledAt).toISOString())}
+})