fix(optimizer): убрать лишние поиски и расчёты маршрутов

lib/route-optimizer-data.ts

@@ -512,8 +512,17 @@ export function buildLiveOptimizerData(
       }
     }
 
+    const wanJhById = new Map<string, Map<string, WanJhLeg>>()
+    for (const leg of wanJhLegs) {
+      let byHost = wanJhById.get(leg.wanId)
+      if (!byHost) { byHost = new Map(); wanJhById.set(leg.wanId, byHost) }
+      // Keep the first match, as the former Array.find did.
+      if (!byHost.has(leg.jhId)) byHost.set(leg.jhId, leg)
+    }
+
     const jhExMap = new Map<string, JhExLeg>()
-    for (const jh of jumpHosts) {
+    // Without a configured WAN, no full route can consume a JH→Exit leg.
+    for (const jh of home.wans.length ? jumpHosts : []) {
       for (const ex of exitNodes) {
         const jhRow = byId.get(jh.id)
         const exRow = byId.get(ex.id)
@@ -544,10 +553,11 @@ export function buildLiveOptimizerData(
     const fullRoutes: FullRoute[] = []
     for (const wan of home.wans) {
       for (const jh of jumpHosts) {
+        const hw = wanJhById.get(wan.id)?.get(jh.id)
+        if (!hw) continue
         for (const ex of exitNodes) {
-          const hw = wanJhLegs.find((l) => l.wanId === wan.id && l.jhId === jh.id)
           const je = jhExMap.get(`${jh.id}::${ex.id}`)
-          if (!hw || !je) continue
+          if (!je) continue
           const totalPing = hw.pingMs + je.pingMs
           const dl = Math.min(hw.dlMbps, je.dlMbps)
           const ul = Math.min(hw.ulMbps, je.ulMbps)