fix(ui): открывать выбранную проверку из очереди проблем

app/(main)/uptime/page.tsx

@@ -1,6 +1,9 @@
 "use client"
 
-import { useState, useMemo, useEffect, useRef, useCallback } from "react"
+import { Suspense, useState, useMemo, useEffect, useRef, useCallback } from "react"
+import Link from "next/link"
+import { useSearchParams } from "next/navigation"
+import { Alert as ContextAlert, AlertTitle as ContextTitle, AlertDescription as ContextDescription } from "@/components/reui/alert"
 import { PageHeader } from "@/components/page-header"
 import { FormField, FormToggle, SegmentedControl } from "@/components/form-kit"
 import { Frame, FramePanel } from "@/components/reui/frame"
@@ -1047,12 +1050,13 @@ function ResourcesTab({ resources, serversList, liveApi }: { resources: ServerRe
 
 // ── page ───────────────────────────────────────────────────────────────────────
 
-export default function UptimePage() {
+function UptimePageContent({ selectedProbeId, allProbesHref }: { selectedProbeId: string | null; allProbesHref: string }) {
   const { mode, backendUrl, backendStatus, checkBackend } = useDataSource()
   /** При mode=live всегда ходим на backend. Нельзя требовать backendStatus===true: до ответа /health там undefined — иначе обзор/«Обновить» молчат. */
   const liveApi = mode === "live"
   const apiFetch = useMemo(() => makeApiFetch(backendUrl), [backendUrl])
 
+  const [overviewState, setOverviewState] = useState<"loading" | "ready" | "error">("loading")
   const [allServers, setAllServers] = useState<Server[]>([])
   const [tab,          setTab]          = useState<"probes" | "resources" | "speed">("probes")
   const [probes,       setProbes]       = useState<PingProbe[]>([])
@@ -1095,6 +1099,7 @@ export default function UptimePage() {
     setAllServers(mockServers)
     setProbes(mockProbesWithSavedStars(INIT_PROBES))
     setResources(INIT_RESOURCES)
+    setOverviewState("ready")
   }, [liveApi])
 
   const isPausedRef = useRef(isPaused)
@@ -1116,9 +1121,11 @@ export default function UptimePage() {
       setAllServers(mapBackendServersToServers(serverRows))
       setProbes(data.probes)
       setResources(data.resources)
+      setOverviewState("ready")
     } catch (e) {
       if (myReq !== overviewReqRef.current) return
       setOpError(e instanceof Error ? e.message : "Не удалось загрузить uptime")
+      setOverviewState("error")
     }
   }, [apiFetch, liveApi])
 
@@ -1395,7 +1402,11 @@ export default function UptimePage() {
     [resources, allServers],
   )
 
+  const selectedProbe = probes.find(probe => probe.id === selectedProbeId)
+  const selectedProbeServer = allServers.find(server => server.id === selectedProbe?.srcServerId)
+
   const filtered = useMemo(() => probes.filter(p => {
+    if (selectedProbeId !== null && p.id !== selectedProbeId) return false
     if (serverFilter.length > 0 && !serverFilter.includes(p.srcServerId)) return false
     if (statusFilter !== "all" && p.status !== statusFilter) return false
     if (search) {
@@ -1407,7 +1418,7 @@ export default function UptimePage() {
       )
     }
     return true
-  }), [probes, serverFilter, statusFilter, search])
+  }), [probes, serverFilter, statusFilter, search, selectedProbeId])
 
   const grouped = useMemo(() => {
     const byServer = new Map<string, Map<string, { name: string; target: string; probes: PingProbe[] }>>()
@@ -1946,13 +1957,13 @@ export default function UptimePage() {
 
             <Button variant="outline" size="sm" disabled={liveApi && uptimeRefreshBusy} onClick={() => {
               if (liveApi) {
-                void refreshUptimeLive({ showSpinner: true, pollDevices: tab === "resources" || tab === "probes" })
+                void refreshUptimeLive({ showSpinner: true, pollDevices: selectedProbeId === null && (tab === "resources" || tab === "probes") })
                 return
               }
               setProbes(mockProbesWithSavedStars(INIT_PROBES))
               setResources(INIT_RESOURCES)
             }}>
-              <RefreshCwIcon className={cn("size-4", uptimeRefreshBusy && "animate-spin")} />{liveApi ? "Обновить" : "Сбросить"}
+              <RefreshCwIcon className={cn("size-4", uptimeRefreshBusy && "animate-spin")} />{liveApi ? (selectedProbeId !== null ? "Обновить данные" : "Обновить") : "Сбросить"}
             </Button>
 
             {tab === "probes" && (
@@ -2324,6 +2335,21 @@ export default function UptimePage() {
           </div>
         )}
 
+        {selectedProbeId !== null && (
+          <div className="px-4 py-3 md:px-6">
+            <ContextAlert variant={overviewState === "error" || (overviewState === "ready" && !selectedProbe) ? "warning" : "info"} role="status" aria-label="Проверка по ссылке">
+              <ContextTitle className="line-clamp-none wrap-anywhere">{selectedProbe ? "Выбрана проверка: " + selectedProbe.name : "Проверка по ссылке"}</ContextTitle>
+              <ContextDescription>
+                <p className="wrap-anywhere">{overviewState === "loading" ? "Загрузка проверки…" : overviewState === "error" ? "Не удалось обновить данные проверки. Повторите обновление; сохранённые данные могут быть устаревшими." : selectedProbe ? (selectedProbeServer?.name ?? selectedProbe.srcServerId) + " → " + selectedProbe.target + ". Список ограничен выбранной проверкой; сводка относится ко всем проверкам." : "Проверка не найдена или недоступна. Возможно, она удалена или у вас нет доступа."}</p>
+                <div className="flex flex-wrap gap-4">
+                  <Link href={allProbesHref} className="underline underline-offset-2">Все проверки</Link>
+                  <Link href="/dashboard" className="underline underline-offset-2">К дашборду</Link>
+                </div>
+              </ContextDescription>
+            </ContextAlert>
+          </div>
+        )}
+
         {/* ── summary + server filter ── */}
         <div className="border-b bg-muted/20 px-6 py-3 flex items-center gap-3 flex-wrap">
           <StatChip label="Всего"          value={stats.total} />
@@ -2488,7 +2514,7 @@ export default function UptimePage() {
                           {group.probes.map((p) => {
                             const linkedSp = findLinkedSpeedProbe(p, speedProbes, allServers, speedIfaces)
                             return (
-                            <div key={p.id} className="border-b border-border/40 last:border-b-0">
+                            <div key={p.id} data-probe-id={p.id} className="border-b border-border/40 last:border-b-0">
                             <div
                               className={cn(
                                 "grid items-center gap-3 px-4 py-2.5 hover:bg-muted/20 transition-colors",
@@ -2897,3 +2923,15 @@ export default function UptimePage() {
     </div>
   )
 }
+
+function UptimeRoute() {
+  const params = useSearchParams()
+  const id = params.get("probe")
+  const rest = new URLSearchParams(params.toString())
+  rest.delete("probe")
+  return <UptimePageContent key={id === null ? "list" : "probe:" + id} selectedProbeId={id} allProbesHref={"/uptime" + (rest.size ? "?" + rest : "")} />
+}
+
+export default function UptimePage() {
+  return <Suspense fallback={<p role="status" className="p-6">Загрузка мониторинга…</p>}><UptimeRoute /></Suspense>
+}