feat(bgp, vxlan, ospf): enhance server data handling and introduce new routes

- Added support for fetching and displaying server data in BGP, VXLAN, and OSPF pages, improving the overall user experience.
- Introduced new backend routes for OSPF and VXLAN, allowing for better data management and retrieval.
- Implemented mapping functions for backend server data to frontend types, ensuring consistency across components.
- Enhanced the sidebar to display counts for BGP sessions, VXLAN tunnels, and containers, providing users with quick insights into their network status.
- Updated tests to cover new functionalities and ensure reliability.

Co-authored-by: Cursor <[email protected]>

lib/data.ts

@@ -233,6 +233,7 @@ export interface VrfInstance {
 
 export interface RouterContainer {
   id: string
+  rosId?: string
   name: string
   serverId: string
   image: string          // e.g. "nginx:alpine"

lib/sidebar-badges.ts

@@ -9,6 +9,7 @@ import {
   routerCertificates,
   routerContainers,
   servers,
+  vxlanTunnels,
 } from "@/lib/data"
 
 /** Число мок-сессий BGP (см. `SESSIONS` в `app/(main)/bgp/page.tsx`). */
@@ -41,6 +42,7 @@ export function mockSidebarBadgesByUrl(): Record<string, string> {
     "/filters": formatSidebarBadgeCount(filters.length),
     "/wireguard": formatSidebarBadgeCount(mockWireGuardIfacesCount()),
     "/gre": formatSidebarBadgeCount(greTunnels.length),
+    "/vxlan": formatSidebarBadgeCount(vxlanTunnels.length),
     "/containers": formatSidebarBadgeCount(routerContainers.length),
     "/certificates": formatSidebarBadgeCount(routerCertificates.length),
     "/bgp": formatSidebarBadgeCount(MOCK_BGP_SESSION_COUNT),
@@ -57,4 +59,7 @@ export interface SidebarCountsDto {
   certificates?: number
   wireguard?: number
   users?: number
+  bgpSessions?: number
+  vxlan?: number
+  containers?: number
 }