fix(i18n): rename backstage 智能体 to 数字员工 for naming consistency

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

@@ -315,17 +315,17 @@ export default {
   },
   backstage: {
     kicker: 'Backstage',
-    title: 'See what your agents are doing',
+    title: 'See what your employees are doing',
     attention: 'Someone needs your attention',
-    unknownAgent: 'Agent',
+    unknownAgent: 'Employee',
     aTool: 'a tool',
     orphan: 'no one watching',
-    orphanHint: 'The browser tab closed but this agent is still running.',
+    orphanHint: 'The browser tab closed but this employee is still working.',
     subagentsBadge: '{n} helping',
     headline: {
       loading: 'Looking around...',
-      allQuiet: 'All quiet. No agents are working right now.',
+      allQuiet: 'All quiet. No one is working right now.',
-      working: 'Your {n} agents are at work.',
+      working: 'Your {n} employees are at work.',
       someoneNeedsAttention: '{n} need a look from you.',
       workingAlone: '{running} working — {orphan} with no one listening.',
     },
@@ -388,24 +388,24 @@ export default {
       close: 'Close',
     },
     confirm: {
-      stopTitle: 'Stop this agent?',
+      stopTitle: 'Stop this employee?',
       stopBody: 'Ask {name} to wind down. The current step will finish first.',
       endTitle: 'Force {name} to stop now?',
-      endBody: 'This will stop the agent immediately. Any work in progress will be lost. The user will see "stopped by admin".',
+      endBody: 'This will stop the employee immediately. Any work in progress will be lost. The user will see "stopped by admin".',
       subTitle: 'Stop this helper?',
-      subBody: 'Stop {name}. The parent agent will keep running.',
+      subBody: 'Stop {name}. The owning employee will keep running.',
-      sweepTitle: 'Tidy up stuck agents?',
+      sweepTitle: 'Tidy up stuck employees?',
-      sweepBody: '{n} agent(s) look stuck. Stop all of them now?',
+      sweepBody: '{n} employee(s) look stuck. Stop all of them now?',
     },
     toast: {
       stopped: 'Asked it to stop.',
       ended: 'Stopped.',
       subStopped: 'Helper stopped.',
-      swept: 'Tidied up {n} agent(s).',
+      swept: 'Tidied up {n} employee(s).',
     },
     empty: {
       allQuiet: 'All quiet.',
-      hint: 'No agents are working right now. This page will light up when one is.',
+      hint: 'No employees are working right now. This page will light up when one is.',
     },
     time: {
       justNow: 'just now',

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

@@ -1515,17 +1515,17 @@ export default {
   },
   backstage: {
     kicker: '后台',
-    title: '看看你的智能体在做什么',
+    title: '看看你的数字员工在做什么',
     attention: '有几个需要你看看',
-    unknownAgent: '智能体',
+    unknownAgent: '员工',
     aTool: '某个工具',
     orphan: '没人在听',
-    orphanHint: '聊天窗口已关闭，但这个智能体仍在运行。',
+    orphanHint: '聊天窗口已关闭，但这个员工仍在工作。',
     subagentsBadge: '{n} 个帮手',
     headline: {
       loading: '正在看看...',
-      allQuiet: '一片安静。当前没有智能体在工作。',
+      allQuiet: '一片安静。当前没有员工在工作。',
-      working: '你的 {n} 个智能体正在干活。',
+      working: '你的 {n} 个员工正在干活。',
       someoneNeedsAttention: '有 {n} 个需要你看看。',
       workingAlone: '{running} 个在干活 — 其中 {orphan} 个没人在听。',
     },
@@ -1588,24 +1588,24 @@ export default {
       close: '关闭',
     },
     confirm: {
-      stopTitle: '让这个智能体停下吗？',
+      stopTitle: '让这位员工停下吗？',
       stopBody: '让 {name} 收尾。它会先把当前的步骤做完。',
       endTitle: '强制 {name} 立即停止？',
-      endBody: '这会立即终止智能体，正在进行的工作会丢失。用户会看到「已被管理员停止」。',
+      endBody: '这会立即终止该员工，正在进行的工作会丢失。用户会看到「已被管理员停止」。',
       subTitle: '停下这个帮手？',
-      subBody: '停止 {name}。父智能体会继续运行。',
+      subBody: '停止 {name}。负责的员工会继续运行。',
-      sweepTitle: '清理卡住的智能体？',
+      sweepTitle: '清理卡住的员工？',
-      sweepBody: '有 {n} 个智能体看起来卡住了，全部停掉吗？',
+      sweepBody: '有 {n} 个员工看起来卡住了，全部停掉吗？',
     },
     toast: {
       stopped: '已要求停止。',
       ended: '已停止。',
       subStopped: '帮手已停止。',
-      swept: '已清理 {n} 个智能体。',
+      swept: '已清理 {n} 个员工。',
     },
     empty: {
       allQuiet: '一片安静。',
-      hint: '当前没有智能体在工作。一旦有，这里就会亮起来。',
+      hint: '当前没有员工在工作。一旦有，这里就会亮起来。',
     },
     time: {
       justNow: '刚刚',