fix: wrap model data in named objects and fix renderGuardMulti empty check

webui/static/pages/certs.js

@@ -58,7 +58,7 @@ export default definePage({
         const guard = renderGuard(state.acme, 'Certificates', 'ACME certificate management', state.acme.data);
         if (guard) return guard;
 
-        const rows = (state.acme.data || []).map(c => {
+        const rows = (state.acme.data?.certs || []).map(c => {
             const badge = certStatusBadge({ expired: c.expired, daysRemaining: c.days_remaining });
 
             return h('tr', { key: c.domain },

webui/static/pages/proxy.js

@@ -58,7 +58,7 @@ export default definePage({
         const guard = renderGuardMulti('Proxy', 'Nginx reverse proxy', state.nginx, state.acme);
         if (guard) return guard;
 
-        const domains = state.nginx.data || [];
+        const domains = state.nginx.data.domains || [];
         const rows = domains.map(d => {
             const certBadge = certStatusBadge({
                 certStatus: d.cert_status,

webui/static/pages/wireguard.js

@@ -57,7 +57,7 @@ export default definePage({
         };
     },
     render(state) {
-        const guard = renderGuard(state.wireguard, 'WireGuard', null, state.wireguard.data?.peers);
+        const guard = renderGuard(state.wireguard, 'WireGuard', 'Tunnel & peer management', state.wireguard.data);
         if (guard) return guard;
 
         const st = state.wireguard.data?.status || {};