添加 LiDAR-IMU 外参标定流水线与说明文档

Co-authored-by: Cursor <cursoragent@cursor.com>

tools/reproduce_synthetic.ps1

@@ -0,0 +1,23 @@
+# 一键复现合成标定（Windows）
+# 用法：在仓库根目录执行
+#   powershell -File tools\reproduce_synthetic.ps1
+#   powershell -File tools\reproduce_synthetic.ps1 -SkipPytest
+#   powershell -File tools\reproduce_synthetic.ps1 -Mode full_se3
+
+param(
+    [ValidateSet("rotation_only", "full_se3")]
+    [string]$Mode = "rotation_only",
+    [switch]$SkipPytest
+)
+
+$ErrorActionPreference = "Stop"
+$Root = Split-Path -Parent $PSScriptRoot
+Set-Location $Root
+
+$args = @("tools\reproduce_synthetic.py", "--mode", $Mode)
+if ($SkipPytest) {
+    $args += "--skip-pytest"
+}
+
+python @args
+exit $LASTEXITCODE