feat: update codex live chat workflow

src/app/main/MainLayout.css

@@ -214,6 +214,24 @@
   background: #2563eb;
 }
 
+.app-header__server-version-indicator {
+  display: inline-flex;
+  width: 12px;
+  height: 12px;
+  border: 2px solid #ffffff;
+  border-radius: 999px;
+  box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.08);
+}
+
+.app-header__server-version-indicator--latest {
+  color: #2563eb;
+  background: #2563eb;
+}
+
+.app-header__server-version-indicator--stale {
+  background: #dc2626;
+}
+
 .app-header__settings-label {
   font-size: 14px;
   font-weight: 600;
@@ -344,6 +362,15 @@
   background: rgba(255, 255, 255, 0.98);
 }
 
+.app-sider--mobile-inline.ant-layout-sider {
+  width: 100% !important;
+  max-width: 100%;
+  flex: 0 0 auto !important;
+  border-right: 0;
+  border-bottom: 1px solid rgba(148, 163, 184, 0.14);
+  background: rgba(255, 255, 255, 0.92);
+}
+
 .app-sider__inner {
   display: flex;
   flex-direction: column;
@@ -680,6 +707,11 @@
     height: calc(100vh - 52px);
   }
 
+  .app-sider--mobile-inline.ant-layout-sider {
+    position: static;
+    height: auto;
+  }
+
   .app-main-content.ant-layout-content {
     padding: 0;
     min-height: calc(100dvh - 52px);