feat: 添加诊断环境变量阶段，查看PATH和关键工具位置

environment-check.Jenkinsfile

@@ -33,6 +33,73 @@ pipeline {
     }
 
     stages {
+        stage('诊断环境变量') {
+            steps {
+                script {
+                    echo "=========================================="
+                    echo "         诊断环境变量信息"
+                    echo "=========================================="
+                    
+                    // 1. 查看 Jenkins 认为的 PATH
+                    echo "🔍 Jenkins env PATH:"
+                    echo "${env.PATH}"
+                    echo ""
+                    
+                    // 2. Windows 进程真实的 PATH (不带缓存)
+                    if (isUnix()) {
+                        echo "🔍 Unix 系统 PATH:"
+                        sh "echo \$PATH"
+                    } else {
+                        echo "🔍 Windows 真实 PATH:"
+                        bat "echo %PATH%"
+                    }
+                    echo ""
+                    
+                    // 3. 检查 git 在哪
+                    echo "🔍 Git 可执行文件位置:"
+                    if (isUnix()) {
+                        sh "which git || echo 'git not found'"
+                        sh "git --version || echo 'git not found'"
+                    } else {
+                        bat "where git"
+                    }
+                    echo ""
+                    
+                    // 4. 检查 node 在哪
+                    echo "🔍 Node.js 可执行文件位置:"
+                    if (isUnix()) {
+                        sh "which node || echo 'node not found'"
+                        sh "node --version || echo 'node not found'"
+                    } else {
+                        bat "where node"
+                    }
+                    echo ""
+                    
+                    // 5. 检查 pwsh 在哪 (PowerShell 7)
+                    echo "🔍 PowerShell 7 (pwsh) 位置:"
+                    if (isUnix()) {
+                        sh "which pwsh || echo 'pwsh not found'"
+                    } else {
+                        bat "where pwsh"
+                    }
+                    echo ""
+                    
+                    // 6. 检查 powershell 在哪 (PowerShell 5)
+                    echo "🔍 PowerShell 5 (powershell) 位置:"
+                    if (isUnix()) {
+                        echo "Unix 系统无 powershell"
+                    } else {
+                        bat "where powershell"
+                    }
+                    echo ""
+                    
+                    echo "=========================================="
+                    echo "         诊断完成"
+                    echo "=========================================="
+                }
+            }
+        }
+        
         stage('环境检测') {
             steps {
                 script {