feat(traffic): показать поток NetFlow на карте сети

Скорость между узлами считается как в Трафике (5 мин, без overlay/mesh), отдельно от ёмкости WAN и BT.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/src/routes/traffic-flow.ts

@@ -24,6 +24,7 @@ import {
   listFlowExporters,
   safeBuildLiveFlowSample,
 } from "../services/traffic-flow-analytics.js"
+import { buildFlowMapHops } from "../services/traffic-flow-map-hops.js"
 import { applyFlowOverlay } from "../services/traffic-flow-overlay.js"
 import { listTrafficFlowHostFiles } from "../services/traffic-flow-host-files.js"
 import { appendEvent } from "../modules/events/service/events-service.js"
@@ -222,6 +223,10 @@ const trafficFlowRoutes: FastifyPluginAsyncZod = async (app) => {
     return reply.send(buildFlowAnalytics(analyticsQuery(req)))
   })
 
+  app.get("/traffic/flow/map-hops", async (req, reply) => {
+    return reply.send(buildFlowMapHops(analyticsQuery(req)))
+  })
+
   app.get("/traffic/flow/monthly", async (req, reply) => {
     const q = req.query as { month?: string; serverId?: string }
     const now = new Date()