feat: 支持批量重置状态和批量刷新令牌

- 提取 refreshSingleAccount 私有方法复用单账号刷新逻辑
- 新增 BatchClearError handler (POST /admin/accounts/batch-clear-error)
- 新增 BatchRefresh handler (POST /admin/accounts/batch-refresh)
- 前端 AccountBulkActionsBar 添加批量重置状态/刷新令牌按钮
- AccountsView 添加 handler 支持 partial success 反馈
- i18n 中英文补充批量操作相关翻译

frontend/src/api/admin/accounts.ts

@@ -581,6 +581,43 @@ export async function validateSoraSessionToken(
   return data
 }
 
+/**
+ * Batch operation result type
+ */
+export interface BatchOperationResult {
+  total: number
+  success: number
+  failed: number
+  errors?: Array<{ account_id: number; error: string }>
+  warnings?: Array<{ account_id: number; warning: string }>
+}
+
+/**
+ * Batch clear account errors
+ * @param accountIds - Array of account IDs
+ * @returns Batch operation result
+ */
+export async function batchClearError(accountIds: number[]): Promise<BatchOperationResult> {
+  const { data } = await apiClient.post<BatchOperationResult>('/admin/accounts/batch-clear-error', {
+    account_ids: accountIds
+  })
+  return data
+}
+
+/**
+ * Batch refresh account credentials
+ * @param accountIds - Array of account IDs
+ * @returns Batch operation result
+ */
+export async function batchRefresh(accountIds: number[]): Promise<BatchOperationResult> {
+  const { data } = await apiClient.post<BatchOperationResult>('/admin/accounts/batch-refresh', {
+    account_ids: accountIds,
+  }, {
+    timeout: 120000  // 120s timeout for large batch refreshes
+  })
+  return data
+}
+
 export const accountsAPI = {
   list,
   listWithEtag,
@@ -615,7 +652,9 @@ export const accountsAPI = {
   syncFromCrs,
   exportData,
   importData,
-  getAntigravityDefaultModelMapping
+  getAntigravityDefaultModelMapping,
+  batchClearError,
+  batchRefresh
 }
 
 export default accountsAPI