fix(qa): ISSUE-001 localize leader pool statuses

frontend/src/locales/en/common.json

@@ -566,6 +566,15 @@
     "safetyHint": "Leader Pool will not auto-scale positions or auto-enable large copy trading.",
     "safetyDesc": "Trial configs created from the pool use conservative defaults and are disabled by default.",
     "fetchFailed": "Failed to fetch Leader Pool",
+    "statuses": {
+      "CANDIDATE": "Candidate",
+      "WATCH": "Watch",
+      "PAPER": "Paper",
+      "TRIAL": "Trial",
+      "ACTIVE": "Active",
+      "COOLDOWN": "Cooldown",
+      "RETIRED": "Retired"
+    },
     "selectLeaderPlaceholder": "Select an existing Leader to add",
     "selectLeaderFirst": "Please select a Leader first",
     "addExistingLeader": "Add to Pool",

frontend/src/locales/zh-CN/common.json

@@ -566,6 +566,15 @@
     "safetyHint": "Leader 池不会自动加仓，也不会自动启用大额跟单。",
     "safetyDesc": "从池子创建试跟配置时会使用保守默认值，并默认禁用。你可以之后在跟单配置页手动启用。",
     "fetchFailed": "获取 Leader 池失败",
+    "statuses": {
+      "CANDIDATE": "候选",
+      "WATCH": "观察",
+      "PAPER": "模拟",
+      "TRIAL": "小额试跟",
+      "ACTIVE": "活跃",
+      "COOLDOWN": "冷却",
+      "RETIRED": "淘汰"
+    },
     "selectLeaderPlaceholder": "选择已有 Leader 加入池子",
     "selectLeaderFirst": "请先选择一个 Leader",
     "addExistingLeader": "加入池子",

frontend/src/locales/zh-TW/common.json

@@ -566,6 +566,15 @@
     "safetyHint": "Leader 池不會自動加倉，也不會自動啟用大額跟單。",
     "safetyDesc": "從池子創建試跟配置時會使用保守默認值，並默認禁用。你可以之後在跟單配置頁手動啟用。",
     "fetchFailed": "獲取 Leader 池失敗",
+    "statuses": {
+      "CANDIDATE": "候選",
+      "WATCH": "觀察",
+      "PAPER": "模擬",
+      "TRIAL": "小額試跟",
+      "ACTIVE": "活躍",
+      "COOLDOWN": "冷卻",
+      "RETIRED": "淘汰"
+    },
     "selectLeaderPlaceholder": "選擇已有 Leader 加入池子",
     "selectLeaderFirst": "請先選擇一個 Leader",
     "addExistingLeader": "加入池子",

frontend/src/pages/LeaderPool.tsx

@@ -40,16 +40,6 @@ const VISIBLE_STATUSES: Array<{ value: LeaderPoolStatus; color: string }> = [
 
 type LeaderPoolFilterValue = LeaderPoolStatus | 'ALL'
 
-const statusLabels: Record<LeaderPoolStatus, string> = {
-  CANDIDATE: '候选',
-  WATCH: '观察',
-  PAPER: '模拟',
-  TRIAL: '小额试跟',
-  ACTIVE: '活跃',
-  COOLDOWN: '冷却',
-  RETIRED: '淘汰'
-}
-
 const formatDate = (timestamp?: number) => {
   if (!timestamp) return '-'
   return dayjs(timestamp).format('YYYY-MM-DD HH:mm')
@@ -83,6 +73,9 @@ const LeaderPool: React.FC = () => {
   const [planForm] = Form.useForm()
   const [trialForm] = Form.useForm()
 
+  const statusLabel = (status: LeaderPoolStatus) =>
+    t(`leaderPool.statuses.${status}`, { defaultValue: status })
+
   const fetchPool = async (status = statusFilter) => {
     setLoading(true)
     try {
@@ -285,7 +278,7 @@ const LeaderPool: React.FC = () => {
       width: 120,
       render: (status: LeaderPoolStatus) => {
         const meta = VISIBLE_STATUSES.find(item => item.value === status)
-        return <Tag color={meta?.color || 'default'}>{statusLabels[status] || status}</Tag>
+        return <Tag color={meta?.color || 'default'}>{statusLabel(status)}</Tag>
       }
     },
     {
@@ -431,7 +424,7 @@ const LeaderPool: React.FC = () => {
               onChange={(value: LeaderPoolFilterValue) => setStatusFilter(value === 'ALL' ? undefined : value)}
               options={[
                 { value: 'ALL', label: t('common.all') },
-                ...VISIBLE_STATUSES.map(item => ({ value: item.value, label: statusLabels[item.value] }))
+                ...VISIBLE_STATUSES.map(item => ({ value: item.value, label: statusLabel(item.value) }))
               ]}
             />
             <Table
@@ -461,7 +454,7 @@ const LeaderPool: React.FC = () => {
       >
         <Form form={statusForm} layout="vertical">
           <Form.Item name="status" label={t('common.status')} rules={[{ required: true }]}>
-            <Select options={VISIBLE_STATUSES.map(item => ({ value: item.value, label: statusLabels[item.value] }))} />
+            <Select options={VISIBLE_STATUSES.map(item => ({ value: item.value, label: statusLabel(item.value) }))} />
           </Form.Item>
           <Form.Item shouldUpdate noStyle>
             {({ getFieldValue }) => getFieldValue('status') === 'COOLDOWN' ? (