fix(alerts): защитить тест правила общим замком Telegram

tests/e2e/alerts-context.spec.ts

@@ -31,3 +31,10 @@ for(const failed of [false,true])test("Rules source: ABA ignores old save and re
  const toggle=()=>page.getByRole("switch",{name:"Включить правило Fixture rule",exact:true})
  try{await page.goto("/alerts");await expect(toggle()).toBeEnabled();await toggle().click();await expect.poll(()=>started).toBe(true);await page.goto("/settings");await source(page,"http://localhost:8101");await page.goto("/alerts");await expect(toggle()).toBeEnabled();await page.goto("/settings");await source(page,"http://localhost:8000");await page.goto("/alerts");await expect(page.getByText(/Результат сохранения правил неизвестен/)).toBeVisible();release();await expect.poll(()=>completed).toBe(true);await expect(toggle()).toBeChecked();await expect(toggle()).toBeDisabled();await expect(page.getByText("Правила и группы сохранены в БД",{exact:true})).toHaveCount(0);await expect(page.getByText("OLD RULES FAILED",{exact:true})).toHaveCount(0);expect(calls).toBe(1)}finally{release()}
 })
+
+for(const failed of [false,true])test("Preview source: late ABA receipt cannot clear Telegram checkpoint/"+failed,async({page})=>{
+ await page.route("**/health",r=>r.fulfill({headers,json:{status:"ok"}}));await page.route("**/api/**",r=>{const path=new URL(r.request().url()).pathname;return r.fulfill({headers,json:path==="/api/auth/config"?{required:false}:path==="/api/alerts"?{...alertsWithRule,telegram:configuredTelegram}:path==="/api/filters/gre-tunnels"?{tunnels:[],failures:[]}:[]})})
+ let started=false,completed=false,calls=0,release!:()=>void;const gate=new Promise<void>(resolve=>release=resolve)
+ await page.route("http://localhost:8000/api/alerts/telegram/test",async r=>{calls++;started=true;await gate;try{await r.fulfill(failed?{headers,status:503,json:{error:"OLD PREVIEW FAILED"}}:{headers,json:{ok:true}})}catch{}finally{completed=true}})
+ try{await page.goto("/alerts");await page.getByRole("button",{name:"Изменить правило Fixture rule",exact:true}).click();await page.getByRole("dialog").getByRole("button",{name:"Тест в Telegram",exact:true}).click();await expect.poll(()=>started).toBe(true);await page.goto("/settings");await source(page,"http://localhost:8101");await source(page,"http://localhost:8000");await page.goto("/alerts");await page.getByRole("button",{name:"Изменить правило Fixture rule",exact:true}).click();await expect(page.getByRole("dialog")).toContainText("Результат Telegram неизвестен");release();await expect.poll(()=>completed).toBe(true);await expect(page.getByRole("dialog").getByRole("button",{name:"Тест в Telegram",exact:true})).toBeDisabled();await expect(page.getByRole("dialog")).not.toContainText("API подтвердил приём");await expect(page.getByRole("dialog")).not.toContainText("OLD PREVIEW FAILED");expect(calls).toBe(1)}finally{release()}
+})