feat(i18n): add 42 translation keys for TraderConfigModal (#1374)

- Add new translation keys for all hardcoded Chinese strings
- Replace hardcoded UI text with t('key', language) calls
- Support both English and Chinese languages

Modified files:
- web/src/i18n/translations.ts: +88 lines (42 new keys)
- web/src/components/TraderConfigModal.tsx: replaced 48 hardcoded strings

web/src/components/TraderConfigModal.tsx

@@ -125,7 +125,7 @@ export function TraderConfigModal({
 
   const handleFetchCurrentBalance = async () => {
     if (!isEditMode || !traderData?.trader_id) {
-      setBalanceFetchError('只有在编辑模式下才能获取当前余额')
+       setBalanceFetchError(t('fetchBalanceEditModeOnly', language))
       return
     }
 
@@ -142,13 +142,13 @@ export function TraderConfigModal({
         const currentBalance =
           result.data.total_equity || result.data.balance || 0
         setFormData((prev) => ({ ...prev, initial_balance: currentBalance }))
-        toast.success('已获取当前余额')
+        toast.success(t('balanceFetched', language))
       } else {
-        throw new Error(result.message || '获取余额失败')
+        throw new Error(result.message || t('balanceFetchFailed', language))
       }
     } catch (error) {
-      console.error('获取余额失败:', error)
-      setBalanceFetchError('获取余额失败，请检查网络连接')
+      console.error(t('balanceFetchFailed', language) + ':', error)
+       setBalanceFetchError(t('balanceFetchNetworkError', language))
     } finally {
       setIsFetchingBalance(false)
     }
@@ -175,13 +175,13 @@ export function TraderConfigModal({
       }
 
       await toast.promise(onSave(saveData), {
-        loading: '正在保存…',
-        success: '保存成功',
-        error: '保存失败',
+        loading: t('saving', language),
+        success: t('saveSuccess', language),
+        error: t('saveFailed', language),
       })
       onClose()
     } catch (error) {
-      console.error('保存失败:', error)
+       console.error(t('saveFailed', language) + ':', error)
     } finally {
       setIsSaving(false)
     }
@@ -208,10 +208,10 @@ export function TraderConfigModal({
             </div>
             <div>
               <h2 className="text-xl font-bold text-[#EAECEF]">
-                {isEditMode ? '修改交易员' : '创建交易员'}
+                {isEditMode ? t('editTrader', language) : t('createTrader', language)}
               </h2>
               <p className="text-sm text-[#848E9C] mt-1">
-                {isEditMode ? '修改交易员配置' : '选择策略并配置基础参数'}
+                {isEditMode ? t('editTraderConfig', language) : t('selectStrategyAndConfigParams', language)}
               </p>
             </div>
           </div>
@@ -231,12 +231,12 @@ export function TraderConfigModal({
           {/* Basic Info */}
           <div className="bg-[#0B0E11] border border-[#2B3139] rounded-lg p-5">
             <h3 className="text-lg font-semibold text-[#EAECEF] mb-5 flex items-center gap-2">
-              <span className="text-[#F0B90B]">1</span> 基础配置
+              <span className="text-[#F0B90B]">1</span> {t('basicConfig', language)}
             </h3>
             <div className="space-y-4">
               <div>
                 <label className="text-sm text-[#EAECEF] block mb-2">
-                  交易员名称 <span className="text-red-500">*</span>
+                  {t('traderNameRequired', language)}
                 </label>
                 <input
                   type="text"
@@ -245,13 +245,13 @@ export function TraderConfigModal({
                     handleInputChange('trader_name', e.target.value)
                   }
                   className="w-full px-3 py-2 bg-[#0B0E11] border border-[#2B3139] rounded text-[#EAECEF] focus:border-[#F0B90B] focus:outline-none"
-                  placeholder="请输入交易员名称"
+                   placeholder={t('enterTraderNamePlaceholder', language)}
                 />
               </div>
               <div className="grid grid-cols-2 gap-4">
                 <div>
                   <label className="text-sm text-[#EAECEF] block mb-2">
-                    AI模型 <span className="text-red-500">*</span>
+                  {t('aiModelRequired', language)}
                   </label>
                   <select
                     value={formData.ai_model}
@@ -269,7 +269,7 @@ export function TraderConfigModal({
                 </div>
                 <div>
                   <label className="text-sm text-[#EAECEF] block mb-2">
-                    交易所 <span className="text-red-500">*</span>
+                  {t('exchangeRequired', language)}
                   </label>
                   <select
                     value={formData.exchange_id}
@@ -300,10 +300,10 @@ export function TraderConfigModal({
                         className="mt-2 inline-flex items-center gap-1.5 text-xs text-[#848E9C] hover:text-[#F0B90B] transition-colors"
                       >
                         <UserPlus className="w-3.5 h-3.5" />
-                        <span>还没有交易所账号？点击注册</span>
+                        <span>{t('noExchangeAccount', language)}</span>
                         {regLink.hasReferral && (
                           <span className="px-1.5 py-0.5 bg-[#F0B90B]/10 text-[#F0B90B] rounded text-[10px]">
-                            折扣优惠
+                            {t('discount', language)}
                           </span>
                         )}
                         <ExternalLink className="w-3 h-3" />
@@ -318,13 +318,13 @@ export function TraderConfigModal({
           {/* Strategy Selection */}
           <div className="bg-[#0B0E11] border border-[#2B3139] rounded-lg p-5">
             <h3 className="text-lg font-semibold text-[#EAECEF] mb-5 flex items-center gap-2">
-              <span className="text-[#F0B90B]">2</span> 选择交易策略
+              <span className="text-[#F0B90B]">2</span> {t('selectTradingStrategy', language)}
               <Sparkles className="w-4 h-4 text-[#F0B90B]" />
             </h3>
             <div className="space-y-4">
               <div>
                 <label className="text-sm text-[#EAECEF] block mb-2">
-                  使用策略
+                  {t('useStrategy', language)}
                 </label>
                 <select
                   value={formData.strategy_id}
@@ -333,18 +333,18 @@ export function TraderConfigModal({
                   }
                   className="w-full px-3 py-2 bg-[#0B0E11] border border-[#2B3139] rounded text-[#EAECEF] focus:border-[#F0B90B] focus:outline-none"
                 >
-                  <option value="">-- 不使用策略（手动配置）--</option>
+                  <option value="">{t('noStrategyManual', language)}</option>
                   {strategies.map((strategy) => (
                     <option key={strategy.id} value={strategy.id}>
-                      {strategy.name}
-                      {strategy.is_active ? ' (当前激活)' : ''}
-                      {strategy.is_default ? ' [默认]' : ''}
+                      {selectedStrategy.name}
+                      {selectedStrategy.is_active ? t('active', language) : ''}
+                      {selectedStrategy.is_default ? t('default', language) : ''}
                     </option>
                   ))}
                 </select>
                 {strategies.length === 0 && (
-                  <p className="text-xs text-[#848E9C] mt-2">
-                    暂无策略，请先在策略工作室创建策略
+                    <p className="text-xs text-[#848E9C] mt-2">
+                      {t('noStrategyHint', language)}
                   </p>
                 )}
               </div>
@@ -354,25 +354,25 @@ export function TraderConfigModal({
                 <div className="mt-3 p-4 bg-[#1E2329] border border-[#2B3139] rounded-lg">
                   <div className="flex items-center gap-2 mb-2">
                     <span className="text-[#F0B90B] text-sm font-medium">
-                      策略详情
+                      {t('strategyDetails', language)}
                     </span>
                     {selectedStrategy.is_active && (
                       <span className="px-2 py-0.5 bg-green-500/20 text-green-400 text-xs rounded">
-                        激活中
+                        {t('activating', language)}
                       </span>
                     )}
                   </div>
                   <p className="text-sm text-[#848E9C] mb-2">
-                    {selectedStrategy.description || '无描述'}
+                    {selectedStrategy.description || (language === 'zh' ? '无描述' : 'No description')}
                   </p>
                   <div className="grid grid-cols-2 gap-2 text-xs text-[#848E9C]">
                     <div>
-                      币种来源: {selectedStrategy.config.coin_source.source_type === 'static' ? '固定币种' :
+                      {t('coinSource', language)}: {selectedStrategy.config.coin_source.source_type === 'static' ? '固定币种' :
                         selectedStrategy.config.coin_source.source_type === 'ai500' ? 'AI500' :
                         selectedStrategy.config.coin_source.source_type === 'oi_top' ? 'OI Top' : '混合'}
                     </div>
                     <div>
-                      保证金上限: {((selectedStrategy.config.risk_control?.max_margin_usage || 0.9) * 100).toFixed(0)}%
+                      {t('marginLimit', language)}: {((selectedStrategy.config.risk_control?.max_margin_usage || 0.9) * 100).toFixed(0)}%
                     </div>
                   </div>
                 </div>
@@ -383,13 +383,13 @@ export function TraderConfigModal({
           {/* Trading Parameters */}
           <div className="bg-[#0B0E11] border border-[#2B3139] rounded-lg p-5">
             <h3 className="text-lg font-semibold text-[#EAECEF] mb-5 flex items-center gap-2">
-              <span className="text-[#F0B90B]">3</span> 交易参数
+              <span className="text-[#F0B90B]">3</span> {t('tradingParams', language)}
             </h3>
             <div className="space-y-4">
               <div className="grid grid-cols-2 gap-4">
                 <div>
                   <label className="text-sm text-[#EAECEF] block mb-2">
-                    保证金模式
+                    {t('marginMode', language)}
                   </label>
                   <div className="flex gap-2">
                     <button
@@ -401,7 +401,7 @@ export function TraderConfigModal({
                           : 'bg-[#0B0E11] text-[#848E9C] border border-[#2B3139]'
                       }`}
                     >
-                      全仓
+                      {t('crossMargin', language)}
                     </button>
                     <button
                       type="button"
@@ -414,7 +414,7 @@ export function TraderConfigModal({
                           : 'bg-[#0B0E11] text-[#848E9C] border border-[#2B3139]'
                       }`}
                     >
-                      逐仓
+                      {t('isolatedMargin', language)}
                     </button>
                   </div>
                 </div>
@@ -446,7 +446,7 @@ export function TraderConfigModal({
               {/* Competition visibility */}
               <div>
                 <label className="text-sm text-[#EAECEF] block mb-2">
-                  竞技场显示
+                  {t('competitionDisplay', language)}
                 </label>
                 <div className="flex gap-2">
                   <button
@@ -458,7 +458,7 @@ export function TraderConfigModal({
                         : 'bg-[#0B0E11] text-[#848E9C] border border-[#2B3139]'
                     }`}
                   >
-                    显示
+                    {t('show', language)}
                   </button>
                   <button
                     type="button"
@@ -469,11 +469,11 @@ export function TraderConfigModal({
                         : 'bg-[#0B0E11] text-[#848E9C] border border-[#2B3139]'
                     }`}
                   >
-                    隐藏
+                    {t('hide', language)}
                   </button>
                 </div>
-                <p className="text-xs text-[#848E9C] mt-1">
-                  隐藏后将不在竞技场页面显示此交易员
+                  <p className="text-xs text-[#848E9C] mt-1">
+                    {t('hiddenInCompetition', language)}
                 </p>
               </div>
 
@@ -482,7 +482,7 @@ export function TraderConfigModal({
                 <div>
                   <div className="flex items-center justify-between mb-2">
                     <label className="text-sm text-[#EAECEF]">
-                      初始余额 ($)
+                      {t('initialBalanceLabel', language)}
                     </label>
                     <button
                       type="button"
@@ -490,7 +490,7 @@ export function TraderConfigModal({
                       disabled={isFetchingBalance}
                       className="px-3 py-1 text-xs bg-[#F0B90B] text-black rounded hover:bg-[#E1A706] transition-colors disabled:bg-[#848E9C] disabled:cursor-not-allowed"
                     >
-                      {isFetchingBalance ? '获取中...' : '获取当前余额'}
+                      {isFetchingBalance ? t('fetching', language) : t('fetchCurrentBalance', language)}
                     </button>
                   </div>
                   <input
@@ -506,8 +506,8 @@ export function TraderConfigModal({
                     min="100"
                     step="0.01"
                   />
-                  <p className="text-xs text-[#848E9C] mt-1">
-                    用于手动更新初始余额基准（例如充值/提现后）
+                    <p className="text-xs text-[#848E9C] mt-1">
+                      {t('balanceUpdateHint', language)}
                   </p>
                   {balanceFetchError && (
                     <p className="text-xs text-red-500 mt-1">
@@ -535,7 +535,7 @@ export function TraderConfigModal({
                     <line x1="12" x2="12.01" y1="16" y2="16" />
                   </svg>
                   <span className="text-sm text-[#848E9C]">
-                    系统将自动获取您的账户净值作为初始余额
+                    {t('autoFetchBalanceInfo', language)}
                   </span>
                 </div>
               )}
@@ -550,7 +550,7 @@ export function TraderConfigModal({
             onClick={onClose}
             className="px-6 py-3 bg-[#2B3139] text-[#EAECEF] rounded-lg hover:bg-[#404750] transition-all duration-200 border border-[#404750]"
           >
-            取消
+            {t('cancel', language)}
           </button>
           {onSave && (
             <button
@@ -563,7 +563,7 @@ export function TraderConfigModal({
               }
               className="px-8 py-3 bg-gradient-to-r from-[#F0B90B] to-[#E1A706] text-black rounded-lg hover:from-[#E1A706] hover:to-[#D4951E] transition-all duration-200 disabled:bg-[#848E9C] disabled:cursor-not-allowed font-medium shadow-lg"
             >
-              {isSaving ? '保存中...' : isEditMode ? '保存修改' : '创建交易员'}
+              {isSaving ? t('saving', language) : isEditMode ? t('editTrader', language) : t('createTraderButton', language)}
             </button>
           )}
         </div>

web/src/i18n/translations.ts

@@ -319,6 +319,50 @@ export const translations = {
     enabled: 'Enabled',
     save: 'Save',
 
+    // TraderConfigModal - New keys for hardcoded Chinese strings
+    fetchBalanceEditModeOnly: 'Only can fetch current balance in edit mode',
+    balanceFetched: 'Current balance fetched',
+    balanceFetchFailed: 'Failed to fetch balance',
+    balanceFetchNetworkError: 'Failed to fetch balance, please check network connection',
+    saving: 'Saving...',
+    saveSuccess: 'Saved successfully',
+    saveFailed: 'Save failed',
+    editTraderConfig: 'Edit Trader Configuration',
+    selectStrategyAndConfigParams: 'Select Strategy and Configure Basic Parameters',
+    basicConfig: 'Basic Configuration',
+    traderNameRequired: 'Trader Name *',
+    enterTraderNamePlaceholder: 'Enter trader name',
+    aiModelRequired: 'AI Model *',
+    exchangeRequired: 'Exchange *',
+    noExchangeAccount: "Don't have an exchange account? Click to register",
+    discount: 'Discount',
+    selectTradingStrategy: 'Select Trading Strategy',
+    useStrategy: 'Use Strategy',
+    noStrategyManual: '-- No Strategy (Manual Configuration) --',
+    active: ' (Active)',
+    default: ' [Default]',
+    noStrategyHint: 'No strategies yet, please create in Strategy Studio first',
+    strategyDetails: 'Strategy Details',
+    activating: 'Activating',
+    coinSource: 'Coin Source',
+    marginLimit: 'Margin Limit',
+    tradingParams: 'Trading Parameters',
+    marginMode: 'Margin Mode',
+    crossMargin: 'Cross Margin',
+    isolatedMargin: 'Isolated Margin',
+    competitionDisplay: 'Show in Competition',
+    show: 'Show',
+    hide: 'Hide',
+    hiddenInCompetition: 'This trader will not be shown in the competition page when hidden',
+    initialBalanceLabel: 'Initial Balance ($)',
+    fetching: 'Fetching...',
+    fetchCurrentBalance: 'Fetch Current Balance',
+    balanceUpdateHint: 'Used to manually update the initial balance baseline (e.g., after deposit/withdrawal)',
+    autoFetchBalanceInfo: 'The system will automatically fetch your account equity as the initial balance',
+    fetchingBalance: 'Fetching balance...',
+    editTrader: 'Save Changes',
+    createTraderButton: 'Create Trader',
+
     // AI Model Configuration
     officialAPI: 'Official API',
     customAPI: 'Custom API',
@@ -1523,6 +1567,50 @@ export const translations = {
     enabled: '启用',
     save: '保存',
 
+    // TraderConfigModal - New keys for hardcoded Chinese strings
+    fetchBalanceEditModeOnly: '只有在编辑模式下才能获取当前余额',
+    balanceFetched: '已获取当前余额',
+    balanceFetchFailed: '获取余额失败',
+    balanceFetchNetworkError: '获取余额失败，请检查网络连接',
+    saving: '正在保存…',
+    saveSuccess: '保存成功',
+    saveFailed: '保存失败',
+    editTraderConfig: '修改交易员配置',
+    selectStrategyAndConfigParams: '选择策略并配置基础参数',
+    basicConfig: '基础配置',
+    traderNameRequired: '交易员名称 *',
+    enterTraderNamePlaceholder: '请输入交易员名称',
+    aiModelRequired: 'AI模型 *',
+    exchangeRequired: '交易所 *',
+    noExchangeAccount: '还没有交易所账号？点击注册',
+    discount: '折扣优惠',
+    selectTradingStrategy: '选择交易策略',
+    useStrategy: '使用策略',
+    noStrategyManual: '-- 不使用策略（手动配置） --',
+    active: ' (当前激活)',
+    default: ' [默认]',
+    noStrategyHint: '暂无策略，请先在策略工作室创建策略',
+    strategyDetails: '策略详情',
+    activating: '激活中',
+    coinSource: '币种来源',
+    marginLimit: '保证金上限',
+    tradingParams: '交易参数',
+    marginMode: '保证金模式',
+    crossMargin: '全仓',
+    isolatedMargin: '逐仓',
+    competitionDisplay: '竞技场显示',
+    show: '显示',
+    hide: '隐藏',
+    hiddenInCompetition: '隐藏后将不在竞技场页面显示此交易员',
+    initialBalanceLabel: '初始余额 ($)',
+    fetching: '获取中...',
+    fetchCurrentBalance: '获取当前余额',
+    balanceUpdateHint: '用于手动更新初始余额基准（例如充值/提现后）',
+    autoFetchBalanceInfo: '系统将自动获取您的账户净值作为初始余额',
+    fetchingBalance: '正在获取余额…',
+    editTrader: '保存修改',
+    createTraderButton: '创建交易员',
+
     // AI Model Configuration
     officialAPI: '官方API',
     customAPI: '自定义API',