feat: claude账号新增支持拦截预热请求

src/routes/admin/claudeAccounts.js

@@ -585,7 +585,8 @@ router.post('/claude-accounts', authenticateAdmin, async (req, res) => {
       unifiedClientId,
       expiresAt,
       extInfo,
-      maxConcurrency
+      maxConcurrency,
+      interceptWarmup
     } = req.body
 
     if (!name) {
@@ -631,7 +632,8 @@ router.post('/claude-accounts', authenticateAdmin, async (req, res) => {
       unifiedClientId: unifiedClientId || '', // 统一的客户端标识
       expiresAt: expiresAt || null, // 账户订阅到期时间
       extInfo: extInfo || null,
-      maxConcurrency: maxConcurrency || 0 // 账户级串行队列：0=使用全局配置，>0=强制启用
+      maxConcurrency: maxConcurrency || 0, // 账户级串行队列：0=使用全局配置，>0=强制启用
+      interceptWarmup: interceptWarmup === true // 拦截预热请求：默认为false
     })
 
     // 如果是分组类型，将账户添加到分组

src/routes/admin/claudeConsoleAccounts.js

@@ -132,7 +132,8 @@ router.post('/claude-console-accounts', authenticateAdmin, async (req, res) => {
       dailyQuota,
       quotaResetTime,
       maxConcurrentTasks,
-      disableAutoProtection
+      disableAutoProtection,
+      interceptWarmup
     } = req.body
 
     if (!name || !apiUrl || !apiKey) {
@@ -186,7 +187,8 @@ router.post('/claude-console-accounts', authenticateAdmin, async (req, res) => {
         maxConcurrentTasks !== undefined && maxConcurrentTasks !== null
           ? Number(maxConcurrentTasks)
           : 0,
-      disableAutoProtection: normalizedDisableAutoProtection
+      disableAutoProtection: normalizedDisableAutoProtection,
+      interceptWarmup: interceptWarmup === true || interceptWarmup === 'true'
     })
 
     // 如果是分组类型，将账户添加到分组（CCR 归属 Claude 平台分组）

src/routes/api.js

@@ -12,6 +12,13 @@ const { getEffectiveModel, parseVendorPrefixedModel } = require('../utils/modelH
 const sessionHelper = require('../utils/sessionHelper')
 const { updateRateLimitCounters } = require('../utils/rateLimitHelper')
 const claudeRelayConfigService = require('../services/claudeRelayConfigService')
+const claudeAccountService = require('../services/claudeAccountService')
+const claudeConsoleAccountService = require('../services/claudeConsoleAccountService')
+const {
+  isWarmupRequest,
+  buildMockWarmupResponse,
+  sendMockWarmupStream
+} = require('../utils/warmupInterceptor')
 const { sanitizeUpstreamError } = require('../utils/errorSanitizer')
 const router = express.Router()
 
@@ -363,6 +370,23 @@ async function handleMessagesRequest(req, res) {
         }
       }
 
+      // 🔥 预热请求拦截检查（在转发之前）
+      if (accountType === 'claude-official' || accountType === 'claude-console') {
+        const account =
+          accountType === 'claude-official'
+            ? await claudeAccountService.getAccount(accountId)
+            : await claudeConsoleAccountService.getAccount(accountId)
+
+        if (account?.interceptWarmup === 'true' && isWarmupRequest(req.body)) {
+          logger.api(`🔥 Warmup request intercepted for account: ${account.name} (${accountId})`)
+          if (isStream) {
+            return sendMockWarmupStream(res, req.body.model)
+          } else {
+            return res.json(buildMockWarmupResponse(req.body.model))
+          }
+        }
+      }
+
       // 根据账号类型选择对应的转发服务并调用
       if (accountType === 'claude-official') {
         // 官方Claude账号使用原有的转发服务（会自己选择账号）
@@ -862,6 +886,21 @@ async function handleMessagesRequest(req, res) {
         }
       }
 
+      // 🔥 预热请求拦截检查（非流式，在转发之前）
+      if (accountType === 'claude-official' || accountType === 'claude-console') {
+        const account =
+          accountType === 'claude-official'
+            ? await claudeAccountService.getAccount(accountId)
+            : await claudeConsoleAccountService.getAccount(accountId)
+
+        if (account?.interceptWarmup === 'true' && isWarmupRequest(req.body)) {
+          logger.api(
+            `🔥 Warmup request intercepted (non-stream) for account: ${account.name} (${accountId})`
+          )
+          return res.json(buildMockWarmupResponse(req.body.model))
+        }
+      }
+
       // 根据账号类型选择对应的转发服务
       let response
       logger.debug(`[DEBUG] Request query params: ${JSON.stringify(req.query)}`)
@@ -1354,9 +1393,6 @@ router.post('/v1/messages/count_tokens', authenticateApiKey, async (req, res) =>
   const maxAttempts = 2
   let attempt = 0
 
-  // 引入 claudeConsoleAccountService 用于检查 count_tokens 可用性
-  const claudeConsoleAccountService = require('../services/claudeConsoleAccountService')
-
   const processRequest = async () => {
     const { accountId, accountType } = await unifiedClaudeScheduler.selectAccountForApiKey(
       req.apiKey,

src/services/claudeAccountService.js

@@ -92,7 +92,8 @@ class ClaudeAccountService {
       unifiedClientId = '', // 统一的客户端标识
       expiresAt = null, // 账户订阅到期时间
       extInfo = null, // 额外扩展信息
-      maxConcurrency = 0 // 账户级用户消息串行队列：0=使用全局配置，>0=强制启用串行
+      maxConcurrency = 0, // 账户级用户消息串行队列：0=使用全局配置，>0=强制启用串行
+      interceptWarmup = false // 拦截预热请求（标题生成、Warmup等）
     } = options
 
     const accountId = uuidv4()
@@ -139,7 +140,9 @@ class ClaudeAccountService {
         // 扩展信息
         extInfo: normalizedExtInfo ? JSON.stringify(normalizedExtInfo) : '',
         // 账户级用户消息串行队列限制
-        maxConcurrency: maxConcurrency.toString()
+        maxConcurrency: maxConcurrency.toString(),
+        // 拦截预热请求
+        interceptWarmup: interceptWarmup.toString()
       }
     } else {
       // 兼容旧格式
@@ -173,7 +176,9 @@ class ClaudeAccountService {
         // 扩展信息
         extInfo: normalizedExtInfo ? JSON.stringify(normalizedExtInfo) : '',
         // 账户级用户消息串行队列限制
-        maxConcurrency: maxConcurrency.toString()
+        maxConcurrency: maxConcurrency.toString(),
+        // 拦截预热请求
+        interceptWarmup: interceptWarmup.toString()
       }
     }
 
@@ -221,7 +226,8 @@ class ClaudeAccountService {
       useUnifiedUserAgent,
       useUnifiedClientId,
       unifiedClientId,
-      extInfo: normalizedExtInfo
+      extInfo: normalizedExtInfo,
+      interceptWarmup
     }
   }
 
@@ -581,7 +587,9 @@ class ClaudeAccountService {
             // 扩展信息
             extInfo: parsedExtInfo,
             // 账户级用户消息串行队列限制
-            maxConcurrency: parseInt(account.maxConcurrency || '0', 10)
+            maxConcurrency: parseInt(account.maxConcurrency || '0', 10),
+            // 拦截预热请求
+            interceptWarmup: account.interceptWarmup === 'true'
           }
         })
       )
@@ -674,7 +682,8 @@ class ClaudeAccountService {
         'unifiedClientId',
         'subscriptionExpiresAt',
         'extInfo',
-        'maxConcurrency'
+        'maxConcurrency',
+        'interceptWarmup'
       ]
       const updatedData = { ...accountData }
       let shouldClearAutoStopFields = false

src/services/claudeConsoleAccountService.js

@@ -68,7 +68,8 @@ class ClaudeConsoleAccountService {
       dailyQuota = 0, // 每日额度限制（美元），0表示不限制
       quotaResetTime = '00:00', // 额度重置时间（HH:mm格式）
       maxConcurrentTasks = 0, // 最大并发任务数，0表示无限制
-      disableAutoProtection = false // 是否关闭自动防护（429/401/400/529 不自动禁用）
+      disableAutoProtection = false, // 是否关闭自动防护（429/401/400/529 不自动禁用）
+      interceptWarmup = false // 拦截预热请求（标题生成、Warmup等）
     } = options
 
     // 验证必填字段
@@ -117,7 +118,8 @@ class ClaudeConsoleAccountService {
       quotaResetTime, // 额度重置时间
       quotaStoppedAt: '', // 因额度停用的时间
       maxConcurrentTasks: maxConcurrentTasks.toString(), // 最大并发任务数，0表示无限制
-      disableAutoProtection: disableAutoProtection.toString() // 关闭自动防护
+      disableAutoProtection: disableAutoProtection.toString(), // 关闭自动防护
+      interceptWarmup: interceptWarmup.toString() // 拦截预热请求
     }
 
     const client = redis.getClientSafe()
@@ -156,6 +158,7 @@ class ClaudeConsoleAccountService {
       quotaStoppedAt: null,
       maxConcurrentTasks, // 新增：返回并发限制配置
       disableAutoProtection, // 新增：返回自动防护开关
+      interceptWarmup, // 新增：返回预热请求拦截开关
       activeTaskCount: 0 // 新增：新建账户当前并发数为0
     }
   }
@@ -217,7 +220,9 @@ class ClaudeConsoleAccountService {
             // 并发控制相关
             maxConcurrentTasks: parseInt(accountData.maxConcurrentTasks) || 0,
             activeTaskCount,
-            disableAutoProtection: accountData.disableAutoProtection === 'true'
+            disableAutoProtection: accountData.disableAutoProtection === 'true',
+            // 拦截预热请求
+            interceptWarmup: accountData.interceptWarmup === 'true'
           })
         }
       }
@@ -375,6 +380,9 @@ class ClaudeConsoleAccountService {
       if (updates.disableAutoProtection !== undefined) {
         updatedData.disableAutoProtection = updates.disableAutoProtection.toString()
       }
+      if (updates.interceptWarmup !== undefined) {
+        updatedData.interceptWarmup = updates.interceptWarmup.toString()
+      }
 
       // ✅ 直接保存 subscriptionExpiresAt（如果提供）
       // Claude Console 没有 token 刷新逻辑，不会覆盖此字段

src/utils/warmupInterceptor.js

@@ -0,0 +1,202 @@
+'use strict'
+
+const { v4: uuidv4 } = require('uuid')
+
+/**
+ * 预热请求拦截器
+ * 检测并拦截低价值请求（标题生成、Warmup等），直接返回模拟响应
+ */
+
+/**
+ * 检测是否为预热请求
+ * @param {Object} body - 请求体
+ * @returns {boolean}
+ */
+function isWarmupRequest(body) {
+  if (!body) {
+    return false
+  }
+
+  // 检查 messages
+  if (body.messages && Array.isArray(body.messages)) {
+    for (const msg of body.messages) {
+      // 处理 content 为数组的情况
+      if (Array.isArray(msg.content)) {
+        for (const content of msg.content) {
+          if (content.type === 'text' && typeof content.text === 'string') {
+            if (isTitleOrWarmupText(content.text)) {
+              return true
+            }
+          }
+        }
+      }
+      // 处理 content 为字符串的情况
+      if (typeof msg.content === 'string') {
+        if (isTitleOrWarmupText(msg.content)) {
+          return true
+        }
+      }
+    }
+  }
+
+  // 检查 system prompt
+  if (body.system) {
+    const systemText = extractSystemText(body.system)
+    if (isTitleExtractionSystemPrompt(systemText)) {
+      return true
+    }
+  }
+
+  return false
+}
+
+/**
+ * 检查文本是否为标题生成或Warmup请求
+ */
+function isTitleOrWarmupText(text) {
+  if (!text) {
+    return false
+  }
+  return (
+    text.includes('Please write a 5-10 word title for the following conversation:') ||
+    text === 'Warmup'
+  )
+}
+
+/**
+ * 检查system prompt是否为标题提取类型
+ */
+function isTitleExtractionSystemPrompt(systemText) {
+  if (!systemText) {
+    return false
+  }
+  return systemText.includes(
+    'nalyze if this message indicates a new conversation topic. If it does, extract a 2-3 word title'
+  )
+}
+
+/**
+ * 从system字段提取文本
+ */
+function extractSystemText(system) {
+  if (typeof system === 'string') {
+    return system
+  }
+  if (Array.isArray(system)) {
+    return system.map((s) => (typeof s === 'object' ? s.text || '' : String(s))).join('')
+  }
+  return ''
+}
+
+/**
+ * 生成模拟的非流式响应
+ * @param {string} model - 模型名称
+ * @returns {Object}
+ */
+function buildMockWarmupResponse(model) {
+  return {
+    id: `msg_warmup_${uuidv4().replace(/-/g, '').slice(0, 20)}`,
+    type: 'message',
+    role: 'assistant',
+    content: [{ type: 'text', text: 'New Conversation' }],
+    model: model || 'claude-3-5-sonnet-20241022',
+    stop_reason: 'end_turn',
+    stop_sequence: null,
+    usage: {
+      input_tokens: 10,
+      output_tokens: 2
+    }
+  }
+}
+
+/**
+ * 发送模拟的流式响应
+ * @param {Object} res - Express response对象
+ * @param {string} model - 模型名称
+ */
+function sendMockWarmupStream(res, model) {
+  const effectiveModel = model || 'claude-3-5-sonnet-20241022'
+  const messageId = `msg_warmup_${uuidv4().replace(/-/g, '').slice(0, 20)}`
+
+  const events = [
+    {
+      event: 'message_start',
+      data: {
+        message: {
+          content: [],
+          id: messageId,
+          model: effectiveModel,
+          role: 'assistant',
+          stop_reason: null,
+          stop_sequence: null,
+          type: 'message',
+          usage: { input_tokens: 10, output_tokens: 0 }
+        },
+        type: 'message_start'
+      }
+    },
+    {
+      event: 'content_block_start',
+      data: {
+        content_block: { text: '', type: 'text' },
+        index: 0,
+        type: 'content_block_start'
+      }
+    },
+    {
+      event: 'content_block_delta',
+      data: {
+        delta: { text: 'New', type: 'text_delta' },
+        index: 0,
+        type: 'content_block_delta'
+      }
+    },
+    {
+      event: 'content_block_delta',
+      data: {
+        delta: { text: ' Conversation', type: 'text_delta' },
+        index: 0,
+        type: 'content_block_delta'
+      }
+    },
+    {
+      event: 'content_block_stop',
+      data: { index: 0, type: 'content_block_stop' }
+    },
+    {
+      event: 'message_delta',
+      data: {
+        delta: { stop_reason: 'end_turn', stop_sequence: null },
+        type: 'message_delta',
+        usage: { input_tokens: 10, output_tokens: 2 }
+      }
+    },
+    {
+      event: 'message_stop',
+      data: { type: 'message_stop' }
+    }
+  ]
+
+  let index = 0
+  const sendNext = () => {
+    if (index >= events.length) {
+      res.end()
+      return
+    }
+
+    const { event, data } = events[index]
+    res.write(`event: ${event}\ndata: ${JSON.stringify(data)}\n\n`)
+    index++
+
+    // 模拟网络延迟
+    setTimeout(sendNext, 20)
+  }
+
+  sendNext()
+}
+
+module.exports = {
+  isWarmupRequest,
+  buildMockWarmupResponse,
+  sendMockWarmupStream
+}

web/admin-spa/src/components/accounts/AccountForm.vue

@@ -1651,6 +1651,28 @@
               </label>
             </div>
 
+            <!-- 拦截预热请求开关（Claude 和 Claude Console） -->
+            <div
+              v-if="form.platform === 'claude' || form.platform === 'claude-console'"
+              class="mt-4"
+            >
+              <label class="flex items-start">
+                <input
+                  v-model="form.interceptWarmup"
+                  class="mt-1 text-blue-600 focus:ring-blue-500 dark:border-gray-600 dark:bg-gray-700"
+                  type="checkbox"
+                />
+                <div class="ml-3">
+                  <span class="text-sm font-medium text-gray-700 dark:text-gray-300">
+                    拦截预热请求
+                  </span>
+                  <p class="mt-1 text-xs text-gray-500 dark:text-gray-400">
+                    启用后，对标题生成、Warmup 等低价值请求直接返回模拟响应，不消耗上游 API 额度
+                  </p>
+                </div>
+              </label>
+            </div>
+
             <!-- Claude User-Agent 版本配置 -->
             <div v-if="form.platform === 'claude'" class="mt-4">
               <label class="flex items-start">
@@ -2653,6 +2675,25 @@
             </label>
           </div>
 
+          <!-- 拦截预热请求开关（Claude 和 Claude Console 编辑模式） -->
+          <div v-if="form.platform === 'claude' || form.platform === 'claude-console'" class="mt-4">
+            <label class="flex items-start">
+              <input
+                v-model="form.interceptWarmup"
+                class="mt-1 text-blue-600 focus:ring-blue-500 dark:border-gray-600 dark:bg-gray-700"
+                type="checkbox"
+              />
+              <div class="ml-3">
+                <span class="text-sm font-medium text-gray-700 dark:text-gray-300">
+                  拦截预热请求
+                </span>
+                <p class="mt-1 text-xs text-gray-500 dark:text-gray-400">
+                  启用后，对标题生成、Warmup 等低价值请求直接返回模拟响应，不消耗上游 API 额度
+                </p>
+              </div>
+            </label>
+          </div>
+
           <!-- Claude User-Agent 版本配置（编辑模式） -->
           <div v-if="form.platform === 'claude'" class="mt-4">
             <label class="flex items-start">
@@ -3988,6 +4029,8 @@ const form = ref({
   useUnifiedClientId: props.account?.useUnifiedClientId || false, // 使用统一的客户端标识
   unifiedClientId: props.account?.unifiedClientId || '', // 统一的客户端标识
   serialQueueEnabled: (props.account?.maxConcurrency || 0) > 0, // 账户级串行队列开关
+  interceptWarmup:
+    props.account?.interceptWarmup === true || props.account?.interceptWarmup === 'true', // 拦截预热请求
   groupId: '',
   groupIds: [],
   projectId: props.account?.projectId || '',
@@ -4574,6 +4617,7 @@ const buildClaudeAccountData = (tokenInfo, accountName, clientId) => {
     claudeAiOauth: claudeOauthPayload,
     priority: form.value.priority || 50,
     autoStopOnWarning: form.value.autoStopOnWarning || false,
+    interceptWarmup: form.value.interceptWarmup || false,
     useUnifiedUserAgent: form.value.useUnifiedUserAgent || false,
     useUnifiedClientId: form.value.useUnifiedClientId || false,
     unifiedClientId: clientId,
@@ -5131,6 +5175,7 @@ const createAccount = async () => {
       // 上游错误处理（仅 Claude Console）
       if (form.value.platform === 'claude-console') {
         data.disableAutoProtection = !!form.value.disableAutoProtection
+        data.interceptWarmup = !!form.value.interceptWarmup
       }
       // 额度管理字段
       data.dailyQuota = form.value.dailyQuota || 0
@@ -5427,6 +5472,7 @@ const updateAccount = async () => {
 
       data.priority = form.value.priority || 50
       data.autoStopOnWarning = form.value.autoStopOnWarning || false
+      data.interceptWarmup = form.value.interceptWarmup || false
       data.useUnifiedUserAgent = form.value.useUnifiedUserAgent || false
       data.useUnifiedClientId = form.value.useUnifiedClientId || false
       data.unifiedClientId = form.value.unifiedClientId || ''
@@ -5463,6 +5509,8 @@ const updateAccount = async () => {
       data.rateLimitDuration = form.value.enableRateLimit ? form.value.rateLimitDuration || 60 : 0
       // 上游错误处理
       data.disableAutoProtection = !!form.value.disableAutoProtection
+      // 拦截预热请求
+      data.interceptWarmup = !!form.value.interceptWarmup
       // 额度管理字段
       data.dailyQuota = form.value.dailyQuota || 0
       data.quotaResetTime = form.value.quotaResetTime || '00:00'
@@ -6031,6 +6079,8 @@ watch(
         accountType: newAccount.accountType || 'shared',
         subscriptionType: subscriptionType,
         autoStopOnWarning: newAccount.autoStopOnWarning || false,
+        interceptWarmup:
+          newAccount.interceptWarmup === true || newAccount.interceptWarmup === 'true',
         useUnifiedUserAgent: newAccount.useUnifiedUserAgent || false,
         useUnifiedClientId: newAccount.useUnifiedClientId || false,
         unifiedClientId: newAccount.unifiedClientId || '',