feat(chat-console): surface Sessions admin via header menu (#183)

mateclaw-ui/src/i18n/locales/en-US.ts

@@ -181,6 +181,7 @@ export default {
     startNewChat: 'Start a new chat above',
     messages: '{count} messages',
     configModel: 'Configure Model',
+    openSessions: 'Session Admin',
     clearMessages: 'Clear Messages',
     goToModelSettings: 'Go to Model Settings',
     configModelFirst: 'Please configure a model first',

mateclaw-ui/src/i18n/locales/zh-CN.ts

@@ -181,6 +181,7 @@ export default {
     startNewChat: '开始新对话吧',
     messages: '{count} 条消息',
     configModel: '配置模型',
+    openSessions: '会话管理',
     clearMessages: '清空消息',
     goToModelSettings: '前往模型设置',
     configModelFirst: '请先配置模型',

mateclaw-ui/src/router/index.ts

@@ -274,8 +274,17 @@ const router = createRouter({
           component: () => import('@/views/Forbidden.vue'),
           meta: { title: 'Forbidden' },
         },
+        // ==================== Sessions admin ====================
+        // Cross-channel conversation manager. Surfaced from ChatConsole's
+        // header overflow menu so the user can audit / switch model per
+        // conversation without leaving the chat surface.
+        {
+          path: 'sessions',
+          name: 'Sessions',
+          component: () => import('@/views/Sessions.vue'),
+          meta: { title: 'sessions.title' },
+        },
         // ==================== Redirects (backward compatibility) ====================
-        { path: 'sessions', redirect: '/chat' },
         { path: 'workspace', redirect: '/settings/agent-context' },
         { path: 'security/workspaces', redirect: '/settings/workspaces' },
         { path: 'security/members', redirect: '/settings/members' },

mateclaw-ui/src/views/ChatConsole.vue

@@ -366,12 +366,14 @@ const headerBtnRef = ref<HTMLElement | null>(null)
 
 const headerMenuItems = computed<DropdownMenuItem[]>(() => [
   { key: 'config', label: t('chat.configModel') },
+  { key: 'sessions', label: t('chat.openSessions') },
   { divider: true },
   { key: 'clear', label: t('chat.clearMessages'), danger: true },
 ])
 
 function onHeaderMenuSelect(item: DropdownMenuItem) {
   if (item.key === 'config') goToModelSettings()
+  else if (item.key === 'sessions') router.push('/sessions')
   else if (item.key === 'clear') clearMessages()
 }