fix(traffic): спрашивать endpoint MM в sheet подключения JH

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

backend/src/routes/traffic-flow.ts

@@ -16,12 +16,7 @@ import {
   startTrafficFlowListener,
 } from "../services/traffic-flow-ingest.js"
 import { applyFlowOverlay } from "../services/traffic-flow-overlay.js"
-import {
-  buildHostComposeSnippet,
-  buildHostNftSnippet,
-  buildHostUfwSnippet,
-  buildHostWgQuickConf,
-} from "../services/traffic-flow-host-files.js"
+import { listTrafficFlowHostFiles } from "../services/traffic-flow-host-files.js"
 
 function rangeToMinutes(range: string | undefined): number {
   switch ((range ?? "5m").toLowerCase()) {
@@ -39,13 +34,22 @@ async function sendFlowTalkers(req: FastifyRequest, reply: FastifyReply) {
   return reply.send(listFlowTalkers(rangeToMinutes(q.range)))
 }
 
+function requestPublicHost(req: FastifyRequest): string {
+  const forwarded = req.headers["x-forwarded-host"]
+  const raw = Array.isArray(forwarded) ? forwarded[0] : forwarded
+  return raw || req.hostname || ""
+}
+
 async function applyOverlayHandler(req: FastifyRequest, reply: FastifyReply) {
   const parsed = trafficFlowOverlayRequestSchema.safeParse(req.body ?? {})
   if (!parsed.success) {
     return reply.status(400).send({ error: "Некорректное тело запроса", details: parsed.error.flatten() })
   }
   try {
-    const result = await applyFlowOverlay(parsed.data.serverId)
+    const result = await applyFlowOverlay(parsed.data.serverId, {
+      publicEndpoint: parsed.data.publicEndpoint,
+      requestHost: requestPublicHost(req),
+    })
     return reply.send(result)
   } catch (e) {
     const status = (e as { statusCode?: number }).statusCode ?? 502
@@ -82,14 +86,7 @@ const trafficFlowRoutes: FastifyPluginAsyncZod = async (app) => {
   app.get("/traffic/flow/host-files", async (_req, reply) => {
     const row = getTrafficFlowSettingsRow()
     if (!row.hostPrivateKey) ensureHostKeys()
-    return reply.send({
-      files: [
-        { id: "wg-quick", label: "wg-flow.conf", filename: "wg-flow.conf", code: buildHostWgQuickConf() },
-        { id: "compose", label: "docker-compose", filename: "docker-compose.flow.yml", code: buildHostComposeSnippet() },
-        { id: "nft", label: "nftables", filename: "wg-flow.nft", code: buildHostNftSnippet() },
-        { id: "ufw", label: "ufw", filename: "wg-flow.ufw.sh", code: buildHostUfwSnippet() },
-      ],
-    })
+    return reply.send({ files: listTrafficFlowHostFiles() })
   })
 
   app.post("/traffic/flow/overlay", applyOverlayHandler)