feat(i18n): add missing translations for trading-assistant modal

- Add step2Params and step3Signal translations
- Add execution mode related translations (signal/live)
- Add notification channel translations (browser/email/phone/telegram/discord/webhook)
- Add live trading config translations (savedCredential, credentialName, etc.)
- Add batch operation message translations (batchCreateSuccess, batchStart/Stop/Delete)
- Add placeholders for email, phone, telegram, discord, webhook inputs
- Add validation messages for email and notify channel
- Add strategy group translations (startAll, stopAll, deleteAll, symbolCount)
- Support both zh-CN (Simplified Chinese) and zh-TW (Traditional Chinese)

quantdinger_vue/src/api/strategy.js

@@ -5,10 +5,14 @@ const api = {
   strategies: '/api/strategies',
   strategyDetail: '/api/strategies/detail',
   createStrategy: '/api/strategies/create',
+  batchCreateStrategies: '/api/strategies/batch-create',
   updateStrategy: '/api/strategies/update',
   stopStrategy: '/api/strategies/stop',
   startStrategy: '/api/strategies/start',
   deleteStrategy: '/api/strategies/delete',
+  batchStartStrategies: '/api/strategies/batch-start',
+  batchStopStrategies: '/api/strategies/batch-stop',
+  batchDeleteStrategies: '/api/strategies/batch-delete',
   testConnection: '/api/strategies/test-connection',
   trades: '/api/strategies/trades',
   positions: '/api/strategies/positions',
@@ -59,6 +63,20 @@ export function createStrategy (data) {
   })
 }
 
+/**
+ * 批量创建策略（多币种）
+ * @param {Object} data - 策略数据
+ * @param {string} data.strategy_name - 策略基础名称
+ * @param {Array} data.symbols - 币种数组，如 ["Crypto:BTC/USDT", "Crypto:ETH/USDT"]
+ */
+export function batchCreateStrategies (data) {
+  return request({
+    url: api.batchCreateStrategies,
+    method: 'post',
+    data
+  })
+}
+
 /**
  * 更新策略
  * @param {number} id - 策略ID
@@ -113,6 +131,48 @@ export function deleteStrategy (id) {
   })
 }
 
+/**
+ * 批量启动策略
+ * @param {Object} data
+ * @param {Array} data.strategy_ids - 策略ID数组
+ * @param {string} data.strategy_group_id - 策略组ID（可选，与strategy_ids二选一）
+ */
+export function batchStartStrategies (data) {
+  return request({
+    url: api.batchStartStrategies,
+    method: 'post',
+    data
+  })
+}
+
+/**
+ * 批量停止策略
+ * @param {Object} data
+ * @param {Array} data.strategy_ids - 策略ID数组
+ * @param {string} data.strategy_group_id - 策略组ID（可选，与strategy_ids二选一）
+ */
+export function batchStopStrategies (data) {
+  return request({
+    url: api.batchStopStrategies,
+    method: 'post',
+    data
+  })
+}
+
+/**
+ * 批量删除策略
+ * @param {Object} data
+ * @param {Array} data.strategy_ids - 策略ID数组
+ * @param {string} data.strategy_group_id - 策略组ID（可选，与strategy_ids二选一）
+ */
+export function batchDeleteStrategies (data) {
+  return request({
+    url: api.batchDeleteStrategies,
+    method: 'delete',
+    data
+  })
+}
+
 /**
  * 测试交易所连接
  * @param {Object} exchangeConfig - 交易所配置