fix(ui): отклонять устаревшее чтение Filters

tests/e2e/filters-read-race.spec.ts

@@ -0,0 +1,61 @@
+import { test, expect } from "@playwright/test"
+
+for (const outcome of ["success", "error"] as const) {
+  test(`Filters: исходный кэш readonly и поздний ${outcome} предыдущего устройства отклонён`, async ({ page }) => {
+    const makeRule = (id: string, community: string) => ({ id, community, gateway: "", gatewayTunnelId: "", action: "blackhole", description: id })
+    const firstRules = [makeRule("cache-1", "65001:101")]
+    let secondRules = [makeRule("device-2", "65002:201")]
+    let release: (() => void) | undefined
+    const gate = new Promise<void>(resolve => { release = resolve })
+    let firstWaiting = false, firstFinished = false, writes = 0
+    await page.route("**/health", route => route.fulfill({ json: { ok: true } }))
+    await page.route("**/api/**", async route => {
+      const url = new URL(route.request().url()), path = url.pathname
+      if (path === "/api/filters/rules" && route.request().method() === "PUT") {
+        writes++
+        const body = route.request().postDataJSON()
+        expect(body.serverId).toBe("2")
+        expect(body.rules).toEqual([])
+        secondRules = body.rules
+        return route.fulfill({ json: { ok: true, rules: [] } })
+      }
+      if (path === "/api/filters/rules" && url.searchParams.get("serverId") === "1") {
+        firstWaiting = true
+        await gate
+        if (outcome === "error") await route.fulfill({ status: 503, json: { error: "Устаревший сбой первого устройства" } })
+        else await route.fulfill({ json: { rulesets: [{ serverId: "1", rules: firstRules }], greTunnels: [], live: true } })
+        firstFinished = true
+        return
+      }
+      return route.fulfill({ json: path === "/api/filters/rules" ? url.searchParams.has("serverId") ? { rulesets: [{ serverId: "2", rules: secondRules }], greTunnels: [], live: true }
+        : { rulesets: [{ serverId: "1", rules: firstRules }, { serverId: "2", rules: secondRules }], greTunnels: [], live: false, stale: false }
+        : path === "/api/servers" ? [1, 2].map(id => ({ id, name: `Роутер ${id}`, host: `192.0.2.${id}`, type: "exit-node", enabled: true, country: "RU", site: "TEST", asn: "", status: "online", latency: 1 }))
+        : path === "/api/auth/config" ? { required: false }
+        : path === "/api/filters/gre-tunnels" ? { tunnels: [] }
+        : path === "/api/recursive-routes" ? { routes: [] } : {} })
+    })
+    await page.goto("/filters")
+    await expect.poll(() => firstWaiting).toBe(true)
+    await expect(page.locator("tr[data-row-id]")).toHaveCount(1)
+    await expect(page.getByRole("status")).toContainText("Чтение актуальных правил устройства")
+    for (const name of ["Новое правило", "Копировать", "Редактировать правило", "Удалить правило"]) await expect(page.getByRole("button", { name, exact: true })).toBeDisabled()
+    expect(writes).toBe(0)
+    await page.getByRole("option", { name: /Роутер 2/ }).click()
+    await expect(page.getByRole("button", { name: "Новое правило", exact: true })).toBeEnabled()
+    const rows = page.locator("tr[data-row-id]")
+    await expect(rows.first()).toContainText("65002:201")
+    await rows.first().hover()
+    await rows.first().getByRole("button", { name: "Удалить правило", exact: true }).click()
+    await page.getByRole("alertdialog").getByRole("button", { name: "Удалить", exact: true }).click()
+    await expect(page.getByRole("alertdialog")).toHaveCount(0)
+    await expect(rows).toHaveCount(0)
+    expect(writes).toBe(1)
+    release!()
+    await expect.poll(() => firstFinished).toBe(true)
+    await expect(page.getByRole("button", { name: "Новое правило", exact: true })).toBeEnabled()
+    await expect(page.getByRole("option", { name: /Роутер 2/ })).toHaveAttribute("aria-selected", "true")
+    await expect(rows).toHaveCount(0)
+    await expect(page.getByText("Не удалось прочитать правила с роутера", { exact: true })).toHaveCount(0)
+    await expect(page.getByRole("status").filter({ hasText: "Чтение актуальных правил устройства" })).toHaveCount(0)
+  })
+}