diff --git a/.github/workflows/auto-release-pipeline.yml b/.github/workflows/auto-release-pipeline.yml
index ad5f2e01..26397f47 100644
--- a/.github/workflows/auto-release-pipeline.yml
+++ b/.github/workflows/auto-release-pipeline.yml
@@ -67,8 +67,12 @@ jobs:
             break
           fi
         done <<< "$CHANGED_FILES"
-        
-        if [ "$SIGNIFICANT_CHANGES" = true ]; then
+
+        # 检查是否是手动触发
+        if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
+          echo "Manual workflow trigger detected, forcing version bump"
+          echo "needs_bump=true" >> $GITHUB_OUTPUT
+        elif [ "$SIGNIFICANT_CHANGES" = true ]; then
           echo "Significant changes detected, version bump needed"
           echo "needs_bump=true" >> $GITHUB_OUTPUT
         else
diff --git a/src/routes/geminiRoutes.js b/src/routes/geminiRoutes.js
index 8ece60fd..a4239a0c 100644
--- a/src/routes/geminiRoutes.js
+++ b/src/routes/geminiRoutes.js
@@ -9,6 +9,7 @@ const sessionHelper = require('../utils/sessionHelper')
 const unifiedGeminiScheduler = require('../services/unifiedGeminiScheduler')
 const apiKeyService = require('../services/apiKeyService')
 const { updateRateLimitCounters } = require('../utils/rateLimitHelper')
+const { parseSSELine } = require('../utils/sseParser')
 // const { OAuth2Client } = require('google-auth-library'); // OAuth2Client is not used in this file
 
 // 生成会话哈希
@@ -349,6 +350,70 @@ router.get('/key-info', authenticateApiKey, async (req, res) => {
   }
 })
 
+// 通用的简单端点处理函数（用于直接转发的端点）
+// 适用于：listExperiments 等不需要特殊业务逻辑的端点
+function handleSimpleEndpoint(apiMethod) {
+  return async (req, res) => {
+    try {
+      if (!ensureGeminiPermission(req, res)) {
+        return undefined
+      }
+
+      const sessionHash = sessionHelper.generateSessionHash(req.body)
+
+      // 从路径参数或请求体中获取模型名
+      const requestedModel = req.body.model || req.params.modelName || 'gemini-2.5-flash'
+      const { accountId } = await unifiedGeminiScheduler.selectAccountForApiKey(
+        req.apiKey,
+        sessionHash,
+        requestedModel
+      )
+      const account = await geminiAccountService.getAccount(accountId)
+      const { accessToken, refreshToken } = account
+
+      const version = req.path.includes('v1beta') ? 'v1beta' : 'v1internal'
+      logger.info(`${apiMethod} request (${version})`, {
+        apiKeyId: req.apiKey?.id || 'unknown',
+        requestBody: req.body
+      })
+
+      // 解析账户的代理配置
+      let proxyConfig = null
+      if (account.proxy) {
+        try {
+          proxyConfig =
+            typeof account.proxy === 'string' ? JSON.parse(account.proxy) : account.proxy
+        } catch (e) {
+          logger.warn('Failed to parse proxy configuration:', e)
+        }
+      }
+
+      const client = await geminiAccountService.getOauthClient(
+        accessToken,
+        refreshToken,
+        proxyConfig
+      )
+
+      // 直接转发请求体，不做特殊处理
+      const response = await geminiAccountService.forwardToCodeAssist(
+        client,
+        apiMethod,
+        req.body,
+        proxyConfig
+      )
+
+      res.json(response)
+    } catch (error) {
+      const version = req.path.includes('v1beta') ? 'v1beta' : 'v1internal'
+      logger.error(`Error in ${apiMethod} endpoint (${version})`, { error: error.message })
+      res.status(500).json({
+        error: 'Internal server error',
+        message: error.message
+      })
+    }
+  }
+}
+
 // 共用的 loadCodeAssist 处理函数
 async function handleLoadCodeAssist(req, res) {
   try {
@@ -858,26 +923,6 @@ async function handleStreamGenerateContent(req, res) {
     res.setHeader('Connection', 'keep-alive')
     res.setHeader('X-Accel-Buffering', 'no')
 
-    // SSE 解析函数
-    const parseSSELine = (line) => {
-      if (!line.startsWith('data: ')) {
-        return { type: 'other', line, data: null }
-      }
-
-      const jsonStr = line.substring(6).trim()
-
-      if (!jsonStr || jsonStr === '[DONE]') {
-        return { type: 'control', line, data: null, jsonStr }
-      }
-
-      try {
-        const data = JSON.parse(jsonStr)
-        return { type: 'data', line, data, jsonStr }
-      } catch (e) {
-        return { type: 'invalid', line, data: null, jsonStr, error: e }
-      }
-    }
-
     // 处理流式响应并捕获usage数据
     let streamBuffer = '' // 统一的流处理缓冲区
     let totalUsage = {
@@ -1040,6 +1085,11 @@ router.post('/v1internal\\:onboardUser', authenticateApiKey, handleOnboardUser)
 router.post('/v1internal\\:countTokens', authenticateApiKey, handleCountTokens)
 router.post('/v1internal\\:generateContent', authenticateApiKey, handleGenerateContent)
 router.post('/v1internal\\:streamGenerateContent', authenticateApiKey, handleStreamGenerateContent)
+router.post(
+  '/v1internal\\:listExperiments',
+  authenticateApiKey,
+  handleSimpleEndpoint('listExperiments')
+)
 
 // v1beta 版本的端点 - 支持动态模型名称
 router.post('/v1beta/models/:modelName\\:loadCodeAssist', authenticateApiKey, handleLoadCodeAssist)
@@ -1055,6 +1105,11 @@ router.post(
   authenticateApiKey,
   handleStreamGenerateContent
 )
+router.post(
+  '/v1beta/models/:modelName\\:listExperiments',
+  authenticateApiKey,
+  handleSimpleEndpoint('listExperiments')
+)
 
 // 导出处理函数供标准路由使用
 module.exports = router
diff --git a/src/routes/standardGeminiRoutes.js b/src/routes/standardGeminiRoutes.js
index 57c5b3a3..4bf718ef 100644
--- a/src/routes/standardGeminiRoutes.js
+++ b/src/routes/standardGeminiRoutes.js
@@ -6,6 +6,7 @@ const geminiAccountService = require('../services/geminiAccountService')
 const unifiedGeminiScheduler = require('../services/unifiedGeminiScheduler')
 const apiKeyService = require('../services/apiKeyService')
 const sessionHelper = require('../utils/sessionHelper')
+const { parseSSELine } = require('../utils/sseParser')
 
 // 导入 geminiRoutes 中导出的处理函数
 const { handleLoadCodeAssist, handleOnboardUser, handleCountTokens } = require('./geminiRoutes')
@@ -144,7 +145,8 @@ async function handleStandardGenerateContent(req, res) {
     const sessionHash = sessionHelper.generateSessionHash(req.body)
 
     // 标准 Gemini API 请求体直接包含 contents 等字段
-    const { contents, generationConfig, safetySettings, systemInstruction } = req.body
+    const { contents, generationConfig, safetySettings, systemInstruction, tools, toolConfig } =
+      req.body
 
     // 验证必需参数
     if (!contents || !Array.isArray(contents) || contents.length === 0) {
@@ -172,6 +174,15 @@ async function handleStandardGenerateContent(req, res) {
       actualRequestData.safetySettings = safetySettings
     }
 
+    // 添加工具配置（tools 和 toolConfig）
+    if (tools) {
+      actualRequestData.tools = tools
+    }
+
+    if (toolConfig) {
+      actualRequestData.toolConfig = toolConfig
+    }
+
     // 如果有 system instruction，修正格式并添加到请求体
     // Gemini CLI 的内部 API 需要 role: "user" 字段
     if (systemInstruction) {
@@ -301,30 +312,9 @@ async function handleStandardGenerateContent(req, res) {
     }
 
     // 返回标准 Gemini API 格式的响应
-    // 内部 API 返回的是 { response: {...} } 格式，需要提取并过滤
-    if (response.response) {
-      // 过滤掉 thought 部分（这是内部 API 特有的）
-      const standardResponse = { ...response.response }
-      if (standardResponse.candidates) {
-        standardResponse.candidates = standardResponse.candidates.map((candidate) => {
-          if (candidate.content && candidate.content.parts) {
-            // 过滤掉 thought: true 的 parts
-            const filteredParts = candidate.content.parts.filter((part) => !part.thought)
-            return {
-              ...candidate,
-              content: {
-                ...candidate.content,
-                parts: filteredParts
-              }
-            }
-          }
-          return candidate
-        })
-      }
-      res.json(standardResponse)
-    } else {
-      res.json(response)
-    }
+    // 内部 API 返回的是 { response: {...} } 格式，需要提取
+    // 注意：不过滤 thought 字段，因为 gemini-cli 会自行处理
+    res.json(response.response || response)
   } catch (error) {
     logger.error(`Error in standard generateContent endpoint`, {
       message: error.message,
@@ -356,7 +346,8 @@ async function handleStandardStreamGenerateContent(req, res) {
     const sessionHash = sessionHelper.generateSessionHash(req.body)
 
     // 标准 Gemini API 请求体直接包含 contents 等字段
-    const { contents, generationConfig, safetySettings, systemInstruction } = req.body
+    const { contents, generationConfig, safetySettings, systemInstruction, tools, toolConfig } =
+      req.body
 
     // 验证必需参数
     if (!contents || !Array.isArray(contents) || contents.length === 0) {
@@ -384,6 +375,15 @@ async function handleStandardStreamGenerateContent(req, res) {
       actualRequestData.safetySettings = safetySettings
     }
 
+    // 添加工具配置（tools 和 toolConfig）
+    if (tools) {
+      actualRequestData.tools = tools
+    }
+
+    if (toolConfig) {
+      actualRequestData.toolConfig = toolConfig
+    }
+
     // 如果有 system instruction，修正格式并添加到请求体
     // Gemini CLI 的内部 API 需要 role: "user" 字段
     if (systemInstruction) {
@@ -510,6 +510,7 @@ async function handleStandardStreamGenerateContent(req, res) {
     res.setHeader('X-Accel-Buffering', 'no')
 
     // 处理流式响应并捕获usage数据
+    let streamBuffer = '' // 统一的流处理缓冲区
     let totalUsage = {
       promptTokenCount: 0,
       candidatesTokenCount: 0,
@@ -518,76 +519,52 @@ async function handleStandardStreamGenerateContent(req, res) {
 
     streamResponse.on('data', (chunk) => {
       try {
-        if (!res.destroyed) {
-          const chunkStr = chunk.toString()
+        const chunkStr = chunk.toString()
 
-          // 处理 SSE 格式的数据
-          const lines = chunkStr.split('\n')
-          for (const line of lines) {
-            if (line.startsWith('data: ')) {
-              const jsonStr = line.substring(6).trim()
-              if (jsonStr && jsonStr !== '[DONE]') {
-                try {
-                  const data = JSON.parse(jsonStr)
+        if (!chunkStr.trim()) {
+          return
+        }
 
-                  // 捕获 usage 数据
-                  if (data.response?.usageMetadata) {
-                    totalUsage = data.response.usageMetadata
-                  }
+        // 使用统一缓冲区处理不完整的行
+        streamBuffer += chunkStr
+        const lines = streamBuffer.split('\n')
+        streamBuffer = lines.pop() || '' // 保留最后一个不完整的行
 
-                  // 转换格式：移除 response 包装，直接返回标准 Gemini API 格式
-                  if (data.response) {
-                    // 过滤掉 thought 部分（这是内部 API 特有的）
-                    if (data.response.candidates) {
-                      const filteredCandidates = data.response.candidates
-                        .map((candidate) => {
-                          if (candidate.content && candidate.content.parts) {
-                            // 过滤掉 thought: true 的 parts
-                            const filteredParts = candidate.content.parts.filter(
-                              (part) => !part.thought
-                            )
-                            if (filteredParts.length > 0) {
-                              return {
-                                ...candidate,
-                                content: {
-                                  ...candidate.content,
-                                  parts: filteredParts
-                                }
-                              }
-                            }
-                            return null
-                          }
-                          return candidate
-                        })
-                        .filter(Boolean)
+        for (const line of lines) {
+          if (!line.trim()) {
+            continue // 跳过空行
+          }
 
-                      // 只有当有有效内容时才发送
-                      if (filteredCandidates.length > 0 || data.response.usageMetadata) {
-                        const standardResponse = {
-                          candidates: filteredCandidates,
-                          ...(data.response.usageMetadata && {
-                            usageMetadata: data.response.usageMetadata
-                          }),
-                          ...(data.response.modelVersion && {
-                            modelVersion: data.response.modelVersion
-                          }),
-                          ...(data.response.createTime && { createTime: data.response.createTime }),
-                          ...(data.response.responseId && { responseId: data.response.responseId })
-                        }
-                        res.write(`data: ${JSON.stringify(standardResponse)}\n\n`)
-                      }
-                    }
-                  } else {
-                    // 如果没有 response 包装，直接发送
-                    res.write(`data: ${JSON.stringify(data)}\n\n`)
-                  }
-                } catch (e) {
-                  // 忽略解析错误
-                }
-              } else if (jsonStr === '[DONE]') {
-                // 保持 [DONE] 标记
-                res.write(`${line}\n\n`)
+          // 解析 SSE 行
+          const parsed = parseSSELine(line)
+
+          // 记录无效的解析（用于调试）
+          if (parsed.type === 'invalid') {
+            logger.warn('Failed to parse SSE line:', {
+              line: parsed.line.substring(0, 100),
+              error: parsed.error.message
+            })
+            continue
+          }
+
+          // 捕获 usage 数据
+          if (parsed.type === 'data' && parsed.data.response?.usageMetadata) {
+            totalUsage = parsed.data.response.usageMetadata
+            logger.debug('📊 Captured Gemini usage data:', totalUsage)
+          }
+
+          // 转换格式并发送
+          if (!res.destroyed) {
+            if (parsed.type === 'data') {
+              // 转换格式：移除 response 包装，直接返回标准 Gemini API 格式
+              if (parsed.data.response) {
+                res.write(`data: ${JSON.stringify(parsed.data.response)}\n\n`)
+              } else {
+                res.write(`data: ${JSON.stringify(parsed.data)}\n\n`)
               }
+            } else if (parsed.type === 'control') {
+              // 保持控制消息（如 [DONE]）原样
+              res.write(`${parsed.line}\n\n`)
             }
           }
         }
@@ -617,6 +594,10 @@ async function handleStandardStreamGenerateContent(req, res) {
         } catch (error) {
           logger.error('Failed to record Gemini usage:', error)
         }
+      } else {
+        logger.warn(
+          `⚠️ Stream completed without usage data - totalTokenCount: ${totalUsage.totalTokenCount}`
+        )
       }
 
       res.end()
diff --git a/src/services/geminiAccountService.js b/src/services/geminiAccountService.js
index 2e35966e..a86490a4 100644
--- a/src/services/geminiAccountService.js
+++ b/src/services/geminiAccountService.js
@@ -1060,6 +1060,45 @@ async function getOauthClient(accessToken, refreshToken, proxyConfig = null) {
   return client
 }
 
+// 通用的 Code Assist API 转发函数（用于简单的请求/响应端点）
+// 适用于：loadCodeAssist, onboardUser, countTokens, listExperiments 等不需要特殊处理的端点
+async function forwardToCodeAssist(client, apiMethod, requestBody, proxyConfig = null) {
+  const axios = require('axios')
+  const CODE_ASSIST_ENDPOINT = 'https://cloudcode-pa.googleapis.com'
+  const CODE_ASSIST_API_VERSION = 'v1internal'
+
+  const { token } = await client.getAccessToken()
+  const proxyAgent = ProxyHelper.createProxyAgent(proxyConfig)
+
+  logger.info(`📡 ${apiMethod} API调用开始`)
+
+  const axiosConfig = {
+    url: `${CODE_ASSIST_ENDPOINT}/${CODE_ASSIST_API_VERSION}:${apiMethod}`,
+    method: 'POST',
+    headers: {
+      Authorization: `Bearer ${token}`,
+      'Content-Type': 'application/json'
+    },
+    data: requestBody,
+    timeout: 30000
+  }
+
+  // 添加代理配置
+  if (proxyAgent) {
+    axiosConfig.httpAgent = proxyAgent
+    axiosConfig.httpsAgent = proxyAgent
+    axiosConfig.proxy = false
+    logger.info(`🌐 Using proxy for ${apiMethod}: ${ProxyHelper.getProxyDescription(proxyConfig)}`)
+  } else {
+    logger.debug(`🌐 No proxy configured for ${apiMethod}`)
+  }
+
+  const response = await axios(axiosConfig)
+
+  logger.info(`✅ ${apiMethod} API调用成功`)
+  return response.data
+}
+
 // 调用 Google Code Assist API 的 loadCodeAssist 方法（支持代理）
 async function loadCodeAssist(client, projectId = null, proxyConfig = null) {
   const axios = require('axios')
@@ -1068,52 +1107,55 @@ async function loadCodeAssist(client, projectId = null, proxyConfig = null) {
 
   const { token } = await client.getAccessToken()
   const proxyAgent = ProxyHelper.createProxyAgent(proxyConfig)
+  // 🔍 只有个人账户（无 projectId）才需要调用 tokeninfo/userinfo
+  // 这些调用有助于 Google 获取临时 projectId
+  if (!projectId) {
+    const tokenInfoConfig = {
+      url: 'https://oauth2.googleapis.com/tokeninfo',
+      method: 'POST',
+      headers: {
+        Authorization: `Bearer ${token}`,
+        'Content-Type': 'application/x-www-form-urlencoded'
+      },
+      data: new URLSearchParams({ access_token: token }).toString(),
+      timeout: 15000
+    }
 
-  const tokenInfoConfig = {
-    url: 'https://oauth2.googleapis.com/tokeninfo',
-    method: 'POST',
-    headers: {
-      Authorization: `Bearer ${token}`,
-      'Content-Type': 'application/x-www-form-urlencoded'
-    },
-    data: new URLSearchParams({ access_token: token }).toString(),
-    timeout: 15000
-  }
+    if (proxyAgent) {
+      tokenInfoConfig.httpAgent = proxyAgent
+      tokenInfoConfig.httpsAgent = proxyAgent
+      tokenInfoConfig.proxy = false
+    }
 
-  if (proxyAgent) {
-    tokenInfoConfig.httpAgent = proxyAgent
-    tokenInfoConfig.httpsAgent = proxyAgent
-    tokenInfoConfig.proxy = false
-  }
+    try {
+      await axios(tokenInfoConfig)
+      logger.info('📋 tokeninfo 接口验证成功')
+    } catch (error) {
+      logger.warn('⚠️ tokeninfo 接口调用失败:', error.message)
+    }
 
-  try {
-    await axios(tokenInfoConfig)
-    logger.info('📋 tokeninfo 接口验证成功')
-  } catch (error) {
-    logger.info('tokeninfo 接口获取失败', error)
-  }
+    const userInfoConfig = {
+      url: 'https://www.googleapis.com/oauth2/v2/userinfo',
+      method: 'GET',
+      headers: {
+        Authorization: `Bearer ${token}`,
+        Accept: '*/*'
+      },
+      timeout: 15000
+    }
 
-  const userInfoConfig = {
-    url: 'https://www.googleapis.com/oauth2/v2/userinfo',
-    method: 'GET',
-    headers: {
-      Authorization: `Bearer ${token}`,
-      Accept: '*/*'
-    },
-    timeout: 15000
-  }
+    if (proxyAgent) {
+      userInfoConfig.httpAgent = proxyAgent
+      userInfoConfig.httpsAgent = proxyAgent
+      userInfoConfig.proxy = false
+    }
 
-  if (proxyAgent) {
-    userInfoConfig.httpAgent = proxyAgent
-    userInfoConfig.httpsAgent = proxyAgent
-    userInfoConfig.proxy = false
-  }
-
-  try {
-    await axios(userInfoConfig)
-    logger.info('📋 userinfo 接口获取成功')
-  } catch (error) {
-    logger.info('userinfo 接口获取失败', error)
+    try {
+      await axios(userInfoConfig)
+      logger.info('📋 userinfo 接口获取成功')
+    } catch (error) {
+      logger.warn('⚠️ userinfo 接口调用失败:', error.message)
+    }
   }
 
   // 创建ClientMetadata
@@ -1573,6 +1615,7 @@ module.exports = {
   getAccountRateLimitInfo,
   isTokenExpired,
   getOauthClient,
+  forwardToCodeAssist, // 通用转发函数
   loadCodeAssist,
   getOnboardTier,
   onboardUser,
diff --git a/src/utils/sseParser.js b/src/utils/sseParser.js
new file mode 100644
index 00000000..ea3d6a9c
--- /dev/null
+++ b/src/utils/sseParser.js
@@ -0,0 +1,52 @@
+/**
+ * Server-Sent Events (SSE) 解析工具
+ *
+ * 用于解析标准 SSE 格式的数据流
+ * 当前主要用于 Gemini API 的流式响应处理
+ *
+ * @module sseParser
+ */
+
+/**
+ * 解析单行 SSE 数据
+ *
+ * @param {string} line - SSE 格式的行（如："data: {json}\n"）
+ * @returns {Object} 解析结果
+ * @returns {'data'|'control'|'other'|'invalid'} .type - 行类型
+ * @returns {Object|null} .data - 解析后的 JSON 数据（仅 type='data' 时）
+ * @returns {string} .line - 原始行内容
+ * @returns {string} [.jsonStr] - JSON 字符串
+ * @returns {Error} [.error] - 解析错误（仅 type='invalid' 时）
+ *
+ * @example
+ * // 数据行
+ * parseSSELine('data: {"key":"value"}')
+ * // => { type: 'data', data: {key: 'value'}, line: '...', jsonStr: '...' }
+ *
+ * @example
+ * // 控制行
+ * parseSSELine('data: [DONE]')
+ * // => { type: 'control', data: null, line: '...', jsonStr: '[DONE]' }
+ */
+function parseSSELine(line) {
+  if (!line.startsWith('data: ')) {
+    return { type: 'other', line, data: null }
+  }
+
+  const jsonStr = line.substring(6).trim()
+
+  if (!jsonStr || jsonStr === '[DONE]') {
+    return { type: 'control', line, data: null, jsonStr }
+  }
+
+  try {
+    const data = JSON.parse(jsonStr)
+    return { type: 'data', line, data, jsonStr }
+  } catch (e) {
+    return { type: 'invalid', line, data: null, jsonStr, error: e }
+  }
+}
+
+module.exports = {
+  parseSSELine
+}