fix: Download transcript stays in the toolbar with its download icon (no empty round space); drawer keeps plain text Go back only

public/components/assistant.html

@@ -16,7 +16,6 @@
           <aside class="assistant-history">
             <button id="btn-assistant-drawer-close" class="assistant-drawer-close" type="button" aria-label="Close saved chats"><i class="fas fa-xmark"></i></button>
             <button id="btn-assistant-goback-rail" class="btn-sm btn-ghost assistant-goback-rail" type="button" title="Back to the main menu"><i class="fas fa-arrow-left"></i> Go back</button>
-            <button id="btn-assistant-download-rail" class="assistant-rail-action" type="button">Download</button>
             <button id="btn-assistant-create-image" class="assistant-create-image" type="button"><i class="fas fa-wand-magic-sparkles"></i> Create image</button>
             <button id="btn-assistant-clear" class="assistant-new-chat" type="button"><i class="fas fa-plus"></i> New chat</button>
             <div class="card">
@@ -38,7 +37,7 @@
                 </div>
                 <div class="assistant-toolbar-actions">
                   <button id="btn-assistant-export-pdf" class="btn-sm btn-ghost" type="button"><i class="fas fa-file-pdf"></i> Export PDF</button>
-                  <button id="btn-assistant-download-chat" class="btn-sm btn-ghost" type="button">Download transcript</button>
+                  <button id="btn-assistant-download-chat" class="btn-sm btn-ghost" type="button"><i class="fas fa-download"></i> Download transcript</button>
                   <button id="btn-assistant-takehome" class="btn-sm btn-ghost" type="button"><i class="fas fa-heart"></i> Patient take home</button>
                 </div>
               </div>

public/css/assistant.css

@@ -340,7 +340,6 @@ body.assistant-workspace .assistant-learning-view { min-height: 0; height: 100vh
 .assistant-autosave-state.failed { color:var(--danger,#dc2626); }
 /* Rail goback is mobile-only; the topbar goback is desktop-only */
 .assistant-goback-rail { display:none; }
-.assistant-rail-action { display:none; }
 @media (max-width: 640px) {
   /* Go back lives in the drawer menu, clearly labeled at the top */
   .assistant-goback-rail { display:flex; align-items:center; gap:10px; align-self:stretch; width:100%; border:none; background:none; color:var(--g700); font-size:14px; padding:12px; border-radius:8px; text-align:left; margin-bottom:4px; }
@@ -349,14 +348,11 @@ body.assistant-workspace .assistant-learning-view { min-height: 0; height: 100vh
   .assistant-history .assistant-goback-rail i,
   .assistant-history .assistant-create-image i,
   .assistant-history .assistant-new-chat i { display:none; }
-  .assistant-rail-action { display:flex; align-items:center; width:100%; border:none; background:none; color:var(--g700); font-size:13px; padding:11px 12px; border-radius:8px; text-align:left; font-family:inherit; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
-  .assistant-rail-action:hover { background:var(--g100); }
   /* Compact: every menu word fits the drawer width */
   .assistant-goback-rail, .assistant-create-image, .assistant-new-chat { font-size:13px; padding:11px 12px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
   .assistant-history .card-header h3 { font-size:11px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
   /* The topbar keeps only the hamburger; Go back is in the menu */
   .assistant-topbar #btn-assistant-goback { display:none; }
-  #btn-assistant-download-chat { display:none; }
 }
 /* Library item hover download */
 .assistant-gallery-item-wrap { position:relative; }

public/js/clinicalAssistant.js

@@ -114,8 +114,6 @@ import {
     if (typeof window !== 'undefined' && window._userRole && window._userRole !== 'admin') {
       var downloadBtn = document.getElementById('btn-assistant-download-chat');
       if (downloadBtn) downloadBtn.remove();
-      var downloadRailBtn = document.getElementById('btn-assistant-download-rail');
-      if (downloadRailBtn) downloadRailBtn.remove();
     }
     if (!root || !root.querySelector('#assistant-form')) return;
     initialized = true;
@@ -187,8 +185,6 @@ import {
       clearConversation(ev);
     });
     document.getElementById('btn-assistant-download-chat').addEventListener('click', downloadTranscript);
-    var downloadRailBtn = document.getElementById('btn-assistant-download-rail');
-    if (downloadRailBtn) downloadRailBtn.addEventListener('click', downloadTranscript);
     if (goBackBtn) goBackBtn.addEventListener('click', goBackToMainMenu);
     if (input) {
       input.addEventListener('input', updateConversationBudget);