Netzwerkanalyse-Zugang: network_access Toggle im User-Management

- network_access Spalte in UserResponse Model
- PUT /api/users/{id}/network-access Toggle-Endpoint
- Dashboard: Netzwerk-Spalte mit An/Aus-Button in User-Tabelle

src/static/js/app.js

@@ -248,6 +248,7 @@ async function loadOrgUsers(orgId) {
         </td>
         <td><span class="badge badge-${u.is_active ? 'active' : 'inactive'}">${u.is_active ? "Aktiv" : "Inaktiv"}</span></td>
         <td style="text-align:center">${u.globe_access ? '<button class="btn btn-small" style="background:#00cc66;color:#fff;border:none;min-width:50px" onclick="toggleGlobeAccess(' + u.id + ')">An</button>' : '<button class="btn btn-secondary btn-small" style="min-width:50px" onclick="toggleGlobeAccess(' + u.id + ')">Aus</button>'}</td>
+        <td style="text-align:center">${u.network_access ? '<button class="btn btn-small" style="background:#f0b429;color:#0f172a;border:none;min-width:50px" onclick="toggleNetworkAccess(' + u.id + ')">An</button>' : '<button class="btn btn-secondary btn-small" style="min-width:50px" onclick="toggleNetworkAccess(' + u.id + ')">Aus</button>'}</td>
         <td>
           ${u.is_active
             ? `<button class="btn btn-secondary btn-small" onclick="toggleUser(${u.id}, false)">Deaktivieren</button>`
@@ -290,6 +291,16 @@ async function toggleGlobeAccess(userId) {
   }
 }
 
+async function toggleNetworkAccess(userId) {
+  try {
+    await API.put("/api/users/" + userId + "/network-access");
+    if (currentOrgId) loadOrgUsers(currentOrgId);
+  } catch (err) {
+    alert(err.message);
+    if (currentOrgId) loadOrgUsers(currentOrgId);
+  }
+}
+
 function confirmDeleteUser(userId, email) {
   showConfirm(
     "Nutzer löschen",