fix(network): isolate local tunnel verification

Author: waleedlatif1

apps/sim/lib/core/network/gateway.server.test.ts

@@ -300,6 +300,9 @@ describe('organization gateways over real TLS CONNECT sockets', () => {
         timeout: 15_000,
         env: {
           ...process.env,
+          /** This local tunnel fixture must not inherit hosted-mode loopback restrictions. */
+          NEXT_PUBLIC_APP_URL: 'http://localhost:3000',
+          NEXT_PUBLIC_FORCE_HOSTED: 'false',
           NODE_EXTRA_CA_CERTS: certificatePath,
           OUTBOUND_ROUTING_SOURCE: 'env',
           OUTBOUND_ROUTING_CONFIG: JSON.stringify({