ci: fix stdb production build env

jenkins/Jenkinsfile.production-stdb-module-build

@@ -49,7 +49,7 @@ pipeline {
           $sourceBranch = if ($env:SOURCE_BRANCH) { $env:SOURCE_BRANCH } else { 'master' }
           $commitHash = if ($env:COMMIT_HASH) { $env:COMMIT_HASH } else { '' }
           $gitRemoteUrl = if ($env:GIT_REMOTE_URL) { $env:GIT_REMOTE_URL } else { 'http://82.157.175.59:3000/GenarrativeAI/Genarrative.git' }
-          git fetch --no-tags --prune $gitRemoteUrl "+refs/heads/$sourceBranch:refs/remotes/origin/$sourceBranch"
+          git fetch --no-tags --prune --depth=1 $gitRemoteUrl "+refs/heads/${sourceBranch}:refs/remotes/origin/${sourceBranch}"
           if ($commitHash) {
             git checkout --force $commitHash
           } else {
@@ -69,6 +69,9 @@ pipeline {
       steps {
         powershell '''
           $ErrorActionPreference = 'Stop'
+          $env:CARGO_HOME = "$env:WORKSPACE_TMP/cargo-home"
+          $env:CARGO_TARGET_DIR = "$env:WORKSPACE_TMP/cargo-target/prod-release"
+          $env:SCCACHE_DIR = "$env:USERPROFILE/.cache/sccache-stdb-module"
           if (-not (Get-Command bash -ErrorAction SilentlyContinue)) {
             throw '[stdb-build] Windows 构建节点缺少 bash，无法执行仓库现有生产构建脚本。请先安装 Git Bash 或 WSL bash，并确保 bash 在 PATH 中。'
           }