fix: put guard around startup chime

src/gui/src/UI/UIWindowLogin.js

@@ -458,8 +458,9 @@ async function UIWindowLogin(options){
                     await p;
 
                     window.update_auth_data(data.token, data.user);
-                    
+
                     if(options.reload_on_success){
+                        sessionStorage.setItem('playChimeNextUpdate', 'yes');
                         window.onbeforeunload = null;
                         console.log('About to redirect, checking URL parameters:', window.location.search);
                         // Replace with a clean URL to prevent password leakage

src/gui/src/helpers.js

@@ -438,7 +438,8 @@ window.update_auth_data = async (auth_token, user)=>{
     localStorage.setItem('auth_token', auth_token);
 
     // Play startup chime if enabled
-    if (typeof play_startup_chime === 'function') {
+    if ( sessionStorage.getItem('playChimeNextUpdate') === 'yes' ) {
+        sessionStorage.setItem('playChimeNextUpdate', 'no');
         play_startup_chime();
     }