初始化: 完成Git Skill测试基线

Co-authored-by: 旅行呀~ <travelxiao@qq.com>

.cursor/skills/git-init/scripts/emit-commit-message.ps1

@@ -0,0 +1,24 @@
+# Agent-safe: build a commit message with required Co-authored-by trailers.
+# Prints the full message only (no key=value). Never prints tokens.
+
+param(
+    [Parameter(Mandatory = $true)]
+    [string]$Subject
+)
+
+$ErrorActionPreference = 'Stop'
+. (Join-Path $PSScriptRoot 'common.ps1')
+
+$gitProfile = Get-GitSkillsProfile
+if ($null -eq $gitProfile) {
+    Write-Error 'profile_missing'
+    exit 1
+}
+
+$msg = Format-CommitMessageWithTrailers -Subject $Subject -GitProfile $gitProfile
+# Use LF so Git trailers parse consistently on Windows.
+$msg = $msg -replace "`r`n", "`n"
+[Console]::Out.Write($msg)
+if (-not $msg.EndsWith("`n")) {
+    [Console]::Out.Write("`n")
+}