chat: clicking the title goes back to the conversation list

Same path as the back-caret — a bigger, easier target than the
icon. No-op when already on the list.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

public/plugins/chat/chat.html

@@ -3,7 +3,7 @@
 <div id="chat-flyout" class="hidden">
     <div id="chat-flyout-header">
         <i class="ph ph-chats-circle text-t-accent text-sm"></i>
-        <span id="chat-flyout-title" class="font-pixel text-[10px] text-t-bright">chat</span>
+        <span id="chat-flyout-title" class="font-pixel text-[10px] text-t-bright cursor-pointer hover:text-t-accent transition-colors" title="back to conversations">chat</span>
         <button id="chat-header-back" class="hidden text-t-muted hover:text-t-accent transition-colors" data-tip="back to list"><i class="ph ph-caret-left text-sm"></i></button>
         <span class="flex-1"></span>
         <button id="chat-thread-disposable" class="hidden text-t-muted hover:text-t-accent transition-colors" data-tip="disposable: messages drop after delivery"><i class="ph ph-fire text-sm"></i></button>

public/plugins/chat/chat.js

@@ -749,7 +749,12 @@ function init() {
     $('chat-refresh-btn').addEventListener('click', () => pollOnce().then(loadConversations));
     $('chat-new-btn').addEventListener('click', openPickView);
     $('chat-empty-start')?.addEventListener('click', openPickView);
-    $('chat-header-back').addEventListener('click', () => { showListView(); loadConversations(); });
+    const gotoList = () => { showListView(); loadConversations(); };
+    $('chat-header-back').addEventListener('click', gotoList);
+    // Clicking the "chat" title is the same as hitting the back caret —
+    // a second affordance so users don't have to aim at a small icon.
+    // No-op when already on the list (showListView is idempotent).
+    $('chat-flyout-title')?.addEventListener('click', gotoList);
     $('chat-pick-back').addEventListener('click', showListView);
     $('chat-thread-form').addEventListener('submit', sendMessage);
     $('chat-thread-info')?.addEventListener('click', openRoomInfo);