Add host routing service restart after VPN connects

SSH to host and restart rego-routing.service after VPN connection
is established in the VM.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/rego-tunnel/shared/cisco-vpn

@@ -609,6 +609,14 @@ start_anyconnect() {
     # Setup forwarding
     setup_forwarding
 
+    # Restart host routing service
+    log INFO "Restarting host routing service..."
+    if ssh -o ConnectTimeout=5 -o BatchMode=yes root@ssh.alexzaw.dev systemctl restart rego-routing.service; then
+        log INFO "Host routing service restarted"
+    else
+        log WARN "Failed to restart host routing service"
+    fi
+
     # Test connection
     log INFO "Testing connection to $TARGET_IP..."
     if ping -c 2 -W 3 "$TARGET_IP" &>/dev/null; then