fixing network

frontend/assets/js/app.js

@@ -69,14 +69,7 @@ async function performLogin(authToken) {
             if (data.role === 'admin') document.getElementById('settingsBtn').classList.remove('d-none');
             document.getElementById('loginOverlay').style.display = 'none';
             window.history.replaceState({}, '', '/');
-            // Init canvas if not already
-            if (!canvas) {
-                canvas = document.getElementById('networkCanvas');
-                ctx = canvas.getContext('2d');
-                resizeCanvas();
-            }
-            loadTeams().then(() => loadEvents());
-            loadNetworkData();
+            initApp();
         } else {
             errEl.textContent = data.error || 'Login failed';
             errEl.style.display = 'block';
@@ -111,7 +104,11 @@ document.addEventListener('DOMContentLoaded', () => {
         if (btn) btn.textContent = 'Authenticating...';
         performLogin(authToken);
     } else {
-        checkSession().then(() => {
+        checkSession().then(initApp).catch(() => {});
+    }
+});
+
+function initApp() {
     canvas = document.getElementById('networkCanvas');
     ctx = canvas.getContext('2d');
     resizeCanvas();
@@ -119,7 +116,7 @@ document.addEventListener('DOMContentLoaded', () => {
     loadTeams().then(() => loadEvents());
     loadNetworkData();
 
-document.getElementById('saveEvent').addEventListener('click', saveEvent);
+    document.getElementById('saveEvent').addEventListener('click', saveEvent);
     document.getElementById('saveNode').addEventListener('click', saveNode);
     document.getElementById('saveLink').addEventListener('click', saveLink);
     document.getElementById('saveShape').addEventListener('click', saveShape);
@@ -184,9 +181,7 @@ document.getElementById('saveEvent').addEventListener('click', saveEvent);
     });
 
     document.documentElement.setAttribute('data-bs-theme', 'dark');
-    }).catch(() => {});
-    }
-});
+}
 
 function resizeCanvas() {
     const wrapper = document.getElementById('networkCanvasWrapper');