chore: synchronize pending app/backend updates and repository hygiene

Includes current frontend and backend work in progress and removes generated artifacts from tracking to keep the repository clean for дальнейшая разработка.

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

lib/gre-endpoint-resolve.ts

@@ -24,8 +24,11 @@ export function wanUplinkIpMatchesGreOuter(
   if (!a || !b) return false
   if (a === b) return true
   if (resolvedIpv4ByHost) {
-    const r = resolvedIpv4ByHost.get(b.toLowerCase())
-    if (r && a === normalizeGreEndpointAddr(r)) return true
+    const rb = resolvedIpv4ByHost.get(b.toLowerCase())
+    if (rb && a === normalizeGreEndpointAddr(rb)) return true
+    const ra = resolvedIpv4ByHost.get(a.toLowerCase())
+    if (ra && b === normalizeGreEndpointAddr(ra)) return true
+    if (ra && rb && normalizeGreEndpointAddr(ra) === normalizeGreEndpointAddr(rb)) return true
   }
   return false
 }