chore: claude绑定账号响应限流提示

src/routes/api.js

@@ -102,11 +102,32 @@ async function handleMessagesRequest(req, res) {
 
       // 使用统一调度选择账号（传递请求的模型）
       const requestedModel = req.body.model
-      const { accountId, accountType } = await unifiedClaudeScheduler.selectAccountForApiKey(
+      let accountId
+      let accountType
+      try {
+        const selection = await unifiedClaudeScheduler.selectAccountForApiKey(
           req.apiKey,
           sessionHash,
           requestedModel
         )
+        ;({ accountId, accountType } = selection)
+      } catch (error) {
+        if (error.code === 'CLAUDE_DEDICATED_RATE_LIMITED') {
+          const limitMessage = claudeRelayService._buildStandardRateLimitMessage(
+            error.rateLimitEndAt
+          )
+          res.status(403)
+          res.setHeader('Content-Type', 'application/json')
+          res.end(
+            JSON.stringify({
+              error: 'upstream_rate_limited',
+              message: limitMessage
+            })
+          )
+          return
+        }
+        throw error
+      }
 
       // 根据账号类型选择对应的转发服务并调用
       if (accountType === 'claude-official') {
@@ -513,11 +534,27 @@ async function handleMessagesRequest(req, res) {
 
       // 使用统一调度选择账号（传递请求的模型）
       const requestedModel = req.body.model
-      const { accountId, accountType } = await unifiedClaudeScheduler.selectAccountForApiKey(
+      let accountId
+      let accountType
+      try {
+        const selection = await unifiedClaudeScheduler.selectAccountForApiKey(
           req.apiKey,
           sessionHash,
           requestedModel
         )
+        ;({ accountId, accountType } = selection)
+      } catch (error) {
+        if (error.code === 'CLAUDE_DEDICATED_RATE_LIMITED') {
+          const limitMessage = claudeRelayService._buildStandardRateLimitMessage(
+            error.rateLimitEndAt
+          )
+          return res.status(403).json({
+            error: 'upstream_rate_limited',
+            message: limitMessage
+          })
+        }
+        throw error
+      }
 
       // 根据账号类型选择对应的转发服务
       let response

src/routes/openaiClaudeRoutes.js

@@ -206,11 +206,23 @@ async function handleChatCompletion(req, res, apiKeyData) {
     const sessionHash = sessionHelper.generateSessionHash(claudeRequest)
 
     // 选择可用的Claude账户
-    const accountSelection = await unifiedClaudeScheduler.selectAccountForApiKey(
+    let accountSelection
+    try {
+      accountSelection = await unifiedClaudeScheduler.selectAccountForApiKey(
         apiKeyData,
         sessionHash,
         claudeRequest.model
       )
+    } catch (error) {
+      if (error.code === 'CLAUDE_DEDICATED_RATE_LIMITED') {
+        const limitMessage = claudeRelayService._buildStandardRateLimitMessage(error.rateLimitEndAt)
+        return res.status(403).json({
+          error: 'upstream_rate_limited',
+          message: limitMessage
+        })
+      }
+      throw error
+    }
     const { accountId } = accountSelection
 
     // 获取该账号存储的 Claude Code headers

src/services/claudeRelayService.js

@@ -22,6 +22,14 @@ class ClaudeRelayService {
     this.claudeCodeSystemPrompt = "You are Claude Code, Anthropic's official CLI for Claude."
   }
 
+  _buildStandardRateLimitMessage(resetTime) {
+    if (!resetTime) {
+      return '此专属账号已触发 Anthropic 限流控制。'
+    }
+    const formattedReset = formatDateWithTimezone(resetTime)
+    return `此专属账号已触发 Anthropic 限流控制，将于 ${formattedReset} 自动恢复。`
+  }
+
   _buildOpusLimitMessage(resetTime) {
     if (!resetTime) {
       return '此专属账号的Opus模型已达到周使用限制，请尝试切换其他模型后再试。'
@@ -71,11 +79,31 @@ class ClaudeRelayService {
       const sessionHash = sessionHelper.generateSessionHash(requestBody)
 
       // 选择可用的Claude账户（支持专属绑定和sticky会话）
-      const accountSelection = await unifiedClaudeScheduler.selectAccountForApiKey(
+      let accountSelection
+      try {
+        accountSelection = await unifiedClaudeScheduler.selectAccountForApiKey(
           apiKeyData,
           sessionHash,
           requestBody.model
         )
+      } catch (error) {
+        if (error.code === 'CLAUDE_DEDICATED_RATE_LIMITED') {
+          const limitMessage = this._buildStandardRateLimitMessage(error.rateLimitEndAt)
+          logger.warn(
+            `🚫 Dedicated account ${error.accountId} is rate limited for API key ${apiKeyData.name}, returning 403`
+          )
+          return {
+            statusCode: 403,
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({
+              error: 'upstream_rate_limited',
+              message: limitMessage
+            }),
+            accountId: error.accountId
+          }
+        }
+        throw error
+      }
       const { accountId } = accountSelection
       const { accountType } = accountSelection
 
@@ -170,6 +198,7 @@ class ClaudeRelayService {
       if (response.statusCode !== 200 && response.statusCode !== 201) {
         let isRateLimited = false
         let rateLimitResetTimestamp = null
+        let dedicatedRateLimitMessage = null
 
         // 检查是否为401状态码（未授权）
         if (response.statusCode === 401) {
@@ -258,6 +287,11 @@ class ClaudeRelayService {
                 `🕐 Extracted rate limit reset timestamp: ${rateLimitResetTimestamp} (${new Date(rateLimitResetTimestamp * 1000).toISOString()})`
               )
             }
+            if (isDedicatedOfficialAccount) {
+              dedicatedRateLimitMessage = this._buildStandardRateLimitMessage(
+                rateLimitResetTimestamp || account?.rateLimitEndAt
+              )
+            }
           }
         } else {
           // 检查响应体中的错误信息
@@ -284,6 +318,11 @@ class ClaudeRelayService {
         }
 
         if (isRateLimited) {
+          if (isDedicatedOfficialAccount && !dedicatedRateLimitMessage) {
+            dedicatedRateLimitMessage = this._buildStandardRateLimitMessage(
+              rateLimitResetTimestamp || account?.rateLimitEndAt
+            )
+          }
           logger.warn(
             `🚫 Rate limit detected for account ${accountId}, status: ${response.statusCode}`
           )
@@ -294,6 +333,18 @@ class ClaudeRelayService {
             sessionHash,
             rateLimitResetTimestamp
           )
+
+          if (dedicatedRateLimitMessage) {
+            return {
+              statusCode: 403,
+              headers: { 'Content-Type': 'application/json' },
+              body: JSON.stringify({
+                error: 'upstream_rate_limited',
+                message: dedicatedRateLimitMessage
+              }),
+              accountId
+            }
+          }
         }
       } else if (response.statusCode === 200 || response.statusCode === 201) {
         // 提取5小时会话窗口状态
@@ -886,11 +937,31 @@ class ClaudeRelayService {
       const sessionHash = sessionHelper.generateSessionHash(requestBody)
 
       // 选择可用的Claude账户（支持专属绑定和sticky会话）
-      const accountSelection = await unifiedClaudeScheduler.selectAccountForApiKey(
+      let accountSelection
+      try {
+        accountSelection = await unifiedClaudeScheduler.selectAccountForApiKey(
           apiKeyData,
           sessionHash,
           requestBody.model
         )
+      } catch (error) {
+        if (error.code === 'CLAUDE_DEDICATED_RATE_LIMITED') {
+          const limitMessage = this._buildStandardRateLimitMessage(error.rateLimitEndAt)
+          if (!responseStream.headersSent) {
+            responseStream.status(403)
+            responseStream.setHeader('Content-Type', 'application/json')
+          }
+          responseStream.write(
+            JSON.stringify({
+              error: 'upstream_rate_limited',
+              message: limitMessage
+            })
+          )
+          responseStream.end()
+          return
+        }
+        throw error
+      }
       const { accountId } = accountSelection
       const { accountType } = accountSelection
 
@@ -1049,14 +1120,18 @@ class ClaudeRelayService {
 
         // 错误响应处理
         if (res.statusCode !== 200) {
-          if (res.statusCode === 429 && isOpusModelRequest) {
+          if (res.statusCode === 429) {
             const resetHeader = res.headers
               ? res.headers['anthropic-ratelimit-unified-reset']
               : null
             const parsedResetTimestamp = resetHeader ? parseInt(resetHeader, 10) : NaN
 
+            if (isOpusModelRequest) {
               if (!Number.isNaN(parsedResetTimestamp)) {
-              await claudeAccountService.markAccountOpusRateLimited(accountId, parsedResetTimestamp)
+                await claudeAccountService.markAccountOpusRateLimited(
+                  accountId,
+                  parsedResetTimestamp
+                )
                 logger.warn(
                   `🚫 [Stream] Account ${accountId} hit Opus limit, resets at ${new Date(parsedResetTimestamp * 1000).toISOString()}`
                 )
@@ -1079,6 +1154,38 @@ class ClaudeRelayService {
                 resolve()
                 return
               }
+            } else {
+              const rateLimitResetTimestamp = Number.isNaN(parsedResetTimestamp)
+                ? null
+                : parsedResetTimestamp
+              await unifiedClaudeScheduler.markAccountRateLimited(
+                accountId,
+                accountType,
+                sessionHash,
+                rateLimitResetTimestamp
+              )
+              logger.warn(`🚫 [Stream] Rate limit detected for account ${accountId}, status 429`)
+
+              if (isDedicatedOfficialAccount) {
+                const limitMessage = this._buildStandardRateLimitMessage(
+                  rateLimitResetTimestamp || account?.rateLimitEndAt
+                )
+                if (!responseStream.headersSent) {
+                  responseStream.status(403)
+                  responseStream.setHeader('Content-Type', 'application/json')
+                }
+                responseStream.write(
+                  JSON.stringify({
+                    error: 'upstream_rate_limited',
+                    message: limitMessage
+                  })
+                )
+                responseStream.end()
+                res.resume()
+                resolve()
+                return
+              }
+            }
           }
 
           // 将错误处理逻辑封装在一个异步函数中

src/services/unifiedClaudeScheduler.js

@@ -159,12 +159,22 @@ class UnifiedClaudeScheduler {
 
         // 普通专属账户
         const boundAccount = await redis.getClaudeAccount(apiKeyData.claudeAccountId)
-        if (
+        if (boundAccount && boundAccount.isActive === 'true' && boundAccount.status !== 'error') {
-          boundAccount &&
+          const isRateLimited = await claudeAccountService.isAccountRateLimited(boundAccount.id)
-          boundAccount.isActive === 'true' &&
+          if (isRateLimited) {
-          boundAccount.status !== 'error' &&
+            const rateInfo = await claudeAccountService.getAccountRateLimitInfo(boundAccount.id)
-          this._isSchedulable(boundAccount.schedulable)
+            const error = new Error('Dedicated Claude account is rate limited')
-        ) {
+            error.code = 'CLAUDE_DEDICATED_RATE_LIMITED'
+            error.accountId = boundAccount.id
+            error.rateLimitEndAt = rateInfo?.rateLimitEndAt || boundAccount.rateLimitEndAt || null
+            throw error
+          }
+
+          if (!this._isSchedulable(boundAccount.schedulable)) {
+            logger.warn(
+              `⚠️ Bound Claude OAuth account ${apiKeyData.claudeAccountId} is not schedulable (schedulable: ${boundAccount?.schedulable}), falling back to pool`
+            )
+          } else {
             if (isOpusRequest) {
               await claudeAccountService.clearExpiredOpusRateLimit(boundAccount.id)
             }
@@ -175,9 +185,10 @@ class UnifiedClaudeScheduler {
               accountId: apiKeyData.claudeAccountId,
               accountType: 'claude-official'
             }
+          }
         } else {
           logger.warn(
-            `⚠️ Bound Claude OAuth account ${apiKeyData.claudeAccountId} is not available (isActive: ${boundAccount?.isActive}, status: ${boundAccount?.status}, schedulable: ${boundAccount?.schedulable}), falling back to pool`
+            `⚠️ Bound Claude OAuth account ${apiKeyData.claudeAccountId} is not available (isActive: ${boundAccount?.isActive}, status: ${boundAccount?.status}), falling back to pool`
           )
         }
       }
@@ -334,11 +345,23 @@ class UnifiedClaudeScheduler {
         boundAccount.isActive === 'true' &&
         boundAccount.status !== 'error' &&
         boundAccount.status !== 'blocked' &&
-        boundAccount.status !== 'temp_error' &&
+        boundAccount.status !== 'temp_error'
-        this._isSchedulable(boundAccount.schedulable)
       ) {
         const isRateLimited = await claudeAccountService.isAccountRateLimited(boundAccount.id)
-        if (!isRateLimited) {
+        if (isRateLimited) {
+          const rateInfo = await claudeAccountService.getAccountRateLimitInfo(boundAccount.id)
+          const error = new Error('Dedicated Claude account is rate limited')
+          error.code = 'CLAUDE_DEDICATED_RATE_LIMITED'
+          error.accountId = boundAccount.id
+          error.rateLimitEndAt = rateInfo?.rateLimitEndAt || boundAccount.rateLimitEndAt || null
+          throw error
+        }
+
+        if (!this._isSchedulable(boundAccount.schedulable)) {
+          logger.warn(
+            `⚠️ Bound Claude OAuth account ${apiKeyData.claudeAccountId} is not schedulable (schedulable: ${boundAccount?.schedulable})`
+          )
+        } else {
           logger.info(
             `🎯 Using bound dedicated Claude OAuth account: ${boundAccount.name} (${apiKeyData.claudeAccountId})`
           )
@@ -354,7 +377,7 @@ class UnifiedClaudeScheduler {
         }
       } else {
         logger.warn(
-          `⚠️ Bound Claude OAuth account ${apiKeyData.claudeAccountId} is not available (isActive: ${boundAccount?.isActive}, status: ${boundAccount?.status}, schedulable: ${boundAccount?.schedulable})`
+          `⚠️ Bound Claude OAuth account ${apiKeyData.claudeAccountId} is not available (isActive: ${boundAccount?.isActive}, status: ${boundAccount?.status})`
         )
       }
     }