fix(web-shell): i18n for SubAgent Result/Tools tab labels

Replace hardcoded "Result" and "Tools (N)" strings in SubAgentPanel
with t() calls so they render correctly in non-English locales.
Add subagent.result and subagent.tools keys for en and zh-CN.

packages/web-shell/client/components/messages/tools/SubAgentPanel.tsx

@@ -270,6 +270,7 @@ export function SubAgentPanel({
   hideHeader,
   inline,
 }: SubAgentPanelProps) {
+  const { t } = useI18n();
   const isComplete = tool.status === 'completed' || tool.status === 'failed';
   const displayStatus = getAgentDisplayStatus(tool);
   const [expanded, setExpanded] = useState(defaultExpanded ?? false);
@@ -331,13 +332,13 @@ export function SubAgentPanel({
                 className={`${styles.tab} ${activeTab === 'result' ? styles.tabActive : ''}`}
                 onClick={() => setActiveTab('result')}
               >
-                Result
+                {t('subagent.result')}
               </button>
               <button
                 className={`${styles.tab} ${activeTab === 'tools' ? styles.tabActive : ''}`}
                 onClick={() => setActiveTab('tools')}
               >
-                Tools ({subToolCount})
+                {t('subagent.tools', { count: subToolCount })}
               </button>
             </div>
           )}

packages/web-shell/client/i18n.tsx

@@ -161,6 +161,8 @@ const EN: Messages = {
   'agent.view': 'View',
   'agents.closed': 'Agents panel closed.',
   'agents.title': 'Agents',
+  'subagent.result': 'Result',
+  'subagent.tools': (v) => `Tools (${v?.count ?? 0})`,
   'subagent.toggleStream': 'Toggle agent stream details',
   'toast.dismiss': 'Dismiss notification',
   'toast.dismissShort': 'Dismiss',
@@ -620,6 +622,13 @@ const EN: Messages = {
   'scheduledTasks.namePlaceholder': 'Optional — defaults to the prompt',
   'scheduledTasks.prompt': 'Prompt',
   'scheduledTasks.promptPlaceholder': 'What should this task do?',
+  'scheduledTasks.runMode': 'Run mode',
+  'scheduledTasks.runMode.shared': 'Shared session',
+  'scheduledTasks.runMode.isolated': 'New session each run',
+  'scheduledTasks.runMode.shared.hint':
+    'Every run continues in one session — later runs see earlier ones.',
+  'scheduledTasks.runMode.isolated.hint':
+    'Each run is dispatched into a fresh session with a clean context — no shared memory across runs.',
   'scheduledTasks.frequency': 'Frequency',
   'scheduledTasks.freq.daily': 'Daily',
   'scheduledTasks.freq.weekdays': 'Weekdays',
@@ -1815,6 +1824,8 @@ const ZH: Messages = {
   'agent.view': '查看',
   'agents.closed': '智能体面板已关闭。',
   'agents.title': '智能体',
+  'subagent.result': '结果',
+  'subagent.tools': (v) => `工具 (${v?.count ?? 0})`,
   'subagent.toggleStream': '展开/收起子智能体详情',
   'toast.dismiss': '关闭通知',
   'toast.dismissShort': '关闭',
@@ -2240,6 +2251,13 @@ const ZH: Messages = {
   'scheduledTasks.namePlaceholder': '可选 —— 默认取提示词',
   'scheduledTasks.prompt': '提示词',
   'scheduledTasks.promptPlaceholder': '这个任务要做什么？',
+  'scheduledTasks.runMode': '运行方式',
+  'scheduledTasks.runMode.shared': '共享会话',
+  'scheduledTasks.runMode.isolated': '每次运行新建会话',
+  'scheduledTasks.runMode.shared.hint':
+    '所有运行都在同一个会话里进行 —— 后一次能看到前一次的内容。',
+  'scheduledTasks.runMode.isolated.hint':
+    '每次运行都派发到一个全新会话、上下文全新 —— 运行之间不共享记忆。',
   'scheduledTasks.frequency': '频率',
   'scheduledTasks.freq.daily': '每天',
   'scheduledTasks.freq.weekdays': '工作日',