fix: 修复限流状态判断逻辑，兼容对象和字符串格式

- 修复 cleanupOpenAIAccounts 方法中 rateLimitStatus 判断问题
- 修复 cleanupClaudeConsoleAccounts 方法中的判断逻辑
- 优化 unifiedOpenAIScheduler 的 _isRateLimited 辅助方法
- 保持原始服务层数据获取方式，通过判断逻辑适配不同数据格式

问题原因：服务层返回的 rateLimitStatus 是对象格式，但清理逻辑使用字符串比较，
导致限流账户无法被正确检测和自动恢复。

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/services/rateLimitCleanupService.js

@@ -134,11 +134,18 @@ class RateLimitCleanupService {
    */
   async cleanupOpenAIAccounts(result) {
     try {
+      // 使用服务层获取账户数据
       const accounts = await openaiAccountService.getAllAccounts()
 
       for (const account of accounts) {
-        // 只检查标记为限流的账号
-        if (account.rateLimitStatus === 'limited') {
+        // 检查是否处于限流状态（兼容对象和字符串格式）
+        const isRateLimited =
+          account.rateLimitStatus === 'limited' ||
+          (account.rateLimitStatus &&
+            typeof account.rateLimitStatus === 'object' &&
+            account.rateLimitStatus.status === 'limited')
+
+        if (isRateLimited) {
           result.checked++
 
           try {
@@ -180,17 +187,20 @@ class RateLimitCleanupService {
    */
   async cleanupClaudeAccounts(result) {
     try {
-      // 使用原始数据而不是处理过的数据，避免字段被转换
+      // 使用 Redis 获取账户数据
       const redis = require('../models/redis')
       const accounts = await redis.getAllClaudeAccounts()
 
       for (const account of accounts) {
-        // 检查所有可能处于限流状态的账号，包括自动停止的账号
-        if (
+        // 检查是否处于限流状态（兼容对象和字符串格式）
+        const isRateLimited =
           account.rateLimitStatus === 'limited' ||
-          account.rateLimitedAt ||
-          account.rateLimitAutoStopped === 'true'
-        ) {
+          (account.rateLimitStatus &&
+            typeof account.rateLimitStatus === 'object' &&
+            account.rateLimitStatus.status === 'limited')
+
+        // 检查所有可能处于限流状态的账号，包括自动停止的账号
+        if (isRateLimited || account.rateLimitedAt || account.rateLimitAutoStopped === 'true') {
           result.checked++
 
           try {
@@ -265,14 +275,21 @@ class RateLimitCleanupService {
    */
   async cleanupClaudeConsoleAccounts(result) {
     try {
+      // 使用服务层获取账户数据
       const accounts = await claudeConsoleAccountService.getAllAccounts()
 
       for (const account of accounts) {
+        // 检查是否处于限流状态（兼容对象和字符串格式）
+        const isRateLimited =
+          account.rateLimitStatus === 'limited' ||
+          (account.rateLimitStatus &&
+            typeof account.rateLimitStatus === 'object' &&
+            account.rateLimitStatus.status === 'limited')
+
         // 检查两种状态字段：rateLimitStatus 和 status
-        const hasRateLimitStatus = account.rateLimitStatus === 'limited'
         const hasStatusRateLimited = account.status === 'rate_limited'
 
-        if (hasRateLimitStatus || hasStatusRateLimited) {
+        if (isRateLimited || hasStatusRateLimited) {
           result.checked++
 
           try {
@@ -285,7 +302,7 @@ class RateLimitCleanupService {
               result.cleared++
 
               // 如果 status 字段是 rate_limited，需要额外清理
-              if (hasStatusRateLimited && !hasRateLimitStatus) {
+              if (hasStatusRateLimited && !isRateLimited) {
                 await claudeConsoleAccountService.updateAccount(account.id, {
                   status: 'active'
                 })

src/services/unifiedOpenAIScheduler.js

@@ -19,6 +19,26 @@ class UnifiedOpenAIScheduler {
     return schedulable !== false && schedulable !== 'false'
   }
 
+  // 🔧 辅助方法：检查账户是否被限流（兼容字符串和对象格式）
+  _isRateLimited(rateLimitStatus) {
+    if (!rateLimitStatus) {
+      return false
+    }
+
+    // 兼容字符串格式（Redis 原始数据）
+    if (typeof rateLimitStatus === 'string') {
+      return rateLimitStatus === 'limited'
+    }
+
+    // 兼容对象格式（getAllAccounts 返回的数据）
+    if (typeof rateLimitStatus === 'object') {
+      // 检查对象中的 status 字段
+      return rateLimitStatus.status === 'limited' || rateLimitStatus.isRateLimited === true
+    }
+
+    return false
+  }
+
   // 🎯 统一调度OpenAI账号
   async selectAccountForApiKey(apiKeyData, sessionHash = null, requestedModel = null) {
     try {
@@ -63,7 +83,7 @@ class UnifiedOpenAIScheduler {
             }
           } else if (
             accountType === 'openai-responses' &&
-            boundAccount.rateLimitStatus === 'limited'
+            this._isRateLimited(boundAccount.rateLimitStatus)
           ) {
             // OpenAI-Responses 账户的限流检查
             const isRateLimitCleared = await openaiResponsesAccountService.checkAndClearRateLimit(
@@ -283,7 +303,7 @@ class UnifiedOpenAIScheduler {
         )
 
         // 如果仍然处于限流状态，跳过
-        if (account.rateLimitStatus === 'limited' && !isRateLimitCleared) {
+        if (this._isRateLimited(account.rateLimitStatus) && !isRateLimitCleared) {
           logger.debug(`⏭️ Skipping OpenAI-Responses account ${account.name} - rate limited`)
           continue
         }
@@ -350,7 +370,7 @@ class UnifiedOpenAIScheduler {
         // 检查并清除过期的限流状态
         const isRateLimitCleared =
           await openaiResponsesAccountService.checkAndClearRateLimit(accountId)
-        return account.rateLimitStatus !== 'limited' || isRateLimitCleared
+        return !this._isRateLimited(account.rateLimitStatus) || isRateLimitCleared
       }
       return false
     } catch (error) {
@@ -504,7 +524,7 @@ class UnifiedOpenAIScheduler {
         return false
       }
 
-      if (account.rateLimitStatus === 'limited') {
+      if (this._isRateLimited(account.rateLimitStatus)) {
         // 如果有具体的重置时间，使用它
         if (account.rateLimitResetAt) {
           const resetTime = new Date(account.rateLimitResetAt).getTime()