Optimisations and updated readme

src/webui/public/js/slide-form.js

@@ -25,54 +25,6 @@
   var editorInstances = new Map();
   var submitting = false;
 
-  function dismissToast(toast) {
-    if (!toast) {
-      return;
-    }
-    toast.classList.add('toast-hide');
-    window.setTimeout(function () {
-      if (toast && toast.parentNode) {
-        toast.parentNode.removeChild(toast);
-      }
-    }, 220);
-  }
-
-  function showToast(message) {
-    var text = String(message || '').trim();
-    if (!text) {
-      return;
-    }
-
-    var existingToast = document.getElementById('app-toast');
-    var existingBody = existingToast ? existingToast.querySelector('.toast-body') : null;
-    if (existingToast && existingBody) {
-      existingBody.textContent = text;
-      existingToast.classList.remove('toast-hide');
-      window.clearTimeout(existingToast._dismissTimer);
-      existingToast._dismissTimer = window.setTimeout(function () {
-        dismissToast(existingToast);
-      }, 4000);
-      return;
-    }
-
-    var toast = document.createElement('div');
-    toast.className = 'toast';
-    toast.setAttribute('role', 'status');
-    toast.setAttribute('aria-live', 'polite');
-    toast.innerHTML = '<div class="toast-body"></div><button type="button" class="toast-close" aria-label="Dismiss notification">×</button>';
-    toast.querySelector('.toast-body').textContent = text;
-
-    var closeButton = toast.querySelector('.toast-close');
-    closeButton.addEventListener('click', function () {
-      dismissToast(toast);
-    });
-
-    document.body.appendChild(toast);
-    toast._dismissTimer = window.setTimeout(function () {
-      dismissToast(toast);
-    }, 4000);
-  }
-
   function escapeHtml(value) {
     return String(value ?? '')
       .replace(/&/g, '&amp;')