fix(api): сохранять неизвестные показатели BFD и OSPF

app/(main)/ospf/page.tsx

@@ -67,7 +67,7 @@ interface OspfNeighbor {
   state: OspfNeighborState
   cost: number | null
   uptime: string
-  priority: number
+  priority: number | null
   dataUnknown?: boolean
 }
 
@@ -91,16 +91,16 @@ interface BfdSession {
   localAddr: string
   remoteAddr: string
   state: BfdState
-  interval: number      // txInterval ms
-  multiplier: number
+  interval: number | null      // txInterval ms
+  multiplier: number | null
   iface: string
   uptime: string | null
   multihop: boolean
-  rxInterval: number    // ms
-  holdTime: number      // ms
-  packetsRx: number
-  packetsTx: number
-  stateChanges: number
+  rxInterval: number | null    // ms
+  holdTime: number | null      // ms
+  packetsRx: number | null
+  packetsTx: number | null
+  stateChanges: number | null
   dataUnknown?: boolean
 }
 
@@ -109,7 +109,7 @@ interface BfdSession {
 interface BackendNeighbor {
   id: string; serverId: number; serverName: string; serverSite: string; serverCountry: string
   address: string; routerId: string; instance: string; area: string; areaId: string
-  interface: string; state: string; uptime: string | null; stateChanges: number; priority: number
+  interface: string; state: string; uptime: string | null; stateChanges: number | null; priority: number | null
 }
 
 interface BackendInterface {
@@ -123,8 +123,8 @@ interface BackendInterface {
 interface BackendBfdSession {
   id: string; serverId: number; serverName: string; serverSite: string; serverCountry: string
   localAddr: string; remoteAddr: string; interface: string; state: string; uptime: string | null
-  multihop: boolean; multiplier: number; txInterval: number; rxInterval: number; holdTime: number
-  packetsRx: number; packetsTx: number; stateChanges: number
+  multihop: boolean; multiplier: number | null; txInterval: number | null; rxInterval: number | null; holdTime: number | null
+  packetsRx: number | null; packetsTx: number | null; stateChanges: number | null
 }
 
 interface BackendOspfRoute {
@@ -1056,13 +1056,7 @@ function BfdTab({ sessions, dataIncomplete }: { sessions: BfdSession[]; dataInco
   const upCount   = sessions.filter(b => b.state === "Up").length
   const downCount = sessions.filter(b => b.state === "Down" || b.state === "AdminDown").length
   const initCount = sessions.filter(b => b.state === "Init").length
-  const totalPkts = sessions.reduce((s, b) => s + b.packetsRx, 0)
-
-  function fmtMs(ms: number) {
-    if (!ms) return "—"
-    if (ms < 1000) return `${ms}ms`
-    return `${(ms / 1000).toFixed(1)}s`
-  }
+  const totalPkts = sessions.some(b => b.packetsRx === null) ? null : sessions.reduce((sum, b) => sum + (b.packetsRx ?? 0), 0)
 
   return (
     <div className="flex flex-col gap-4">
@@ -1118,8 +1112,9 @@ function BfdTab({ sessions, dataIncomplete }: { sessions: BfdSession[]; dataInco
         <div className="flex items-center gap-4 flex-wrap px-1">
           <p className="text-xs text-muted-foreground">
             BFD обнаруживает сбои быстрее OSPF Hello/Dead таймеров.
-            Tx&nbsp;/&nbsp;Rx — интервалы отправки и приёма контрольных пакетов.
-            {!dataIncomplete && totalPkts > 0 && <span className="ml-2 tabular-nums">Всего получено: {totalPkts.toLocaleString()} пакетов.</span>}
+            {!dataIncomplete && totalPkts === null && <span> Общее число полученных пакетов неизвестно.</span>}
+            TX факт — наблюдаемый интервал отправки; RX минимум — требуемый минимальный интервал.
+            {!dataIncomplete && totalPkts !== null && <span className="ml-2 tabular-nums">Всего получено: {totalPkts.toLocaleString()} пакетов.</span>}
           </p>
         </div>
       )}