style(chat): 移除 PC 端聊天侧栏的垂直分割线

app/static/public/css/chat.css

@@ -1426,7 +1426,6 @@ html[data-theme='dark'] .chat-sidebar {
 .chat-shell {
   flex: 1;
   min-width: 0;
-  border-left: 1px solid var(--chat-border);
   padding-left: 16px;
 }
 

app/static/public/pages/chat.html

@@ -18,7 +18,7 @@
   <link href="https://cdn.jsdelivr.net/npm/geist@1.0.0/dist/fonts/geist-sans/style.css" rel="stylesheet">
   <link href="https://cdn.jsdelivr.net/npm/geist@1.0.0/dist/fonts/geist-mono/style.css" rel="stylesheet">
   <link href="/static/common/css/common.css?v=1.5.0" rel="stylesheet">
-  <link href="/static/public/css/chat.css?v=0.1.33" rel="stylesheet">
+  <link href="/static/public/css/chat.css?v=0.1.34" rel="stylesheet">
   <link href="/static/common/css/toast.css" rel="stylesheet">
 </head>