fix(wireguard): исправить endpoint и поля клиентского шаблона

packages/contracts/src/wireguard.ts

@@ -1,5 +1,16 @@
 import { z } from "zod"
 
+/** The client's remote endpoint belongs to the exporting interface, not its peer. */
+export function resolveWgClientEndpoint(clientEndpoint: string | undefined, serverHost: string | undefined, listenPort: number): string | undefined {
+  const value = clientEndpoint?.trim() || serverHost?.trim()
+  if (!value || /[\s/]/.test(value) || !Number.isInteger(listenPort) || listenPort < 1 || listenPort > 65535) return undefined
+  const explicit = value.match(/^(\[[^\]]+\]|[^:]+):(\d+)$/)
+  if (explicit) return Number(explicit[2]) >= 1 && Number(explicit[2]) <= 65535 ? value : undefined
+  if (value.startsWith("[")) return value.endsWith("]") ? `${value}:${listenPort}` : undefined
+  if (value.includes(":")) return value.split(":").length > 2 && /^[\da-f:]+$/i.test(value) ? `[${value}]:${listenPort}` : undefined
+  return `${value}:${listenPort}`
+}
+
 export const wgStatusSchema = z.enum(["up", "down"])
 
 export const wgPeerDtoSchema = z.object({