chore(start.ps1): 移除 Git 自动安装逻辑

部署脚本不依赖本机 git，winget/choco 安装与 PATH 刷新已无必要。

Made-with: Cursor

start.ps1

@@ -151,81 +151,6 @@ function Setup-EnvFiles {
     Ok ".env configured for IP=$($script:DeployIP)"
 }
 
-function Test-GitInstalled {
-    $git = Get-Command git -ErrorAction SilentlyContinue
-    if (-not $git) { return $false }
-    try { & git --version *> $null; return $true } catch { return $false }
-}
-
-function Refresh-SessionPath {
-    try {
-        $machine = [Environment]::GetEnvironmentVariable("Path", "Machine")
-        $user = [Environment]::GetEnvironmentVariable("Path", "User")
-        $parts = @($machine, $user) | Where-Object { $_ }
-        if ($parts.Count -gt 0) { $env:Path = ($parts -join ";") }
-    } catch { }
-}
-
-function Install-Git {
-    if (Get-Command winget -ErrorAction SilentlyContinue) {
-        Step "Installing Git via winget..."
-        Write-Log "winget install Git.Git"
-        winget install --id Git.Git -e --accept-source-agreements --accept-package-agreements
-        if ($LASTEXITCODE -eq 0) {
-            Start-Sleep -Seconds 2
-            Refresh-SessionPath
-            if (Test-GitInstalled) {
-                Ok "Git installed"
-                Write-Log "Git available after winget (PATH refreshed)"
-                return
-            }
-            Ok "Git installed. Close this terminal, open a new one, then run this script again."
-            Write-Log "Git installed via winget, user must refresh shell"
-            exit 0
-        }
-    }
-    if (Get-Command choco -ErrorAction SilentlyContinue) {
-        Step "Installing Git via Chocolatey..."
-        Write-Log "choco install git"
-        choco install git -y
-        if ($LASTEXITCODE -eq 0) {
-            Start-Sleep -Seconds 2
-            Refresh-SessionPath
-            if (Test-GitInstalled) {
-                Ok "Git installed"
-                Write-Log "Git available after choco (PATH refreshed)"
-                return
-            }
-            Ok "Git installed. Close this terminal, open a new one, then run this script again."
-            Write-Log "Git installed via choco, user must refresh shell"
-            exit 0
-        }
-    }
-    Warn "Could not install Git automatically. Please install manually:"
-    Write-Host "  https://git-scm.com/download/win"
-    Write-Log "Git auto-install failed, user must install manually"
-    Wait-ForExit
-    exit 1
-}
-
-function Ensure-Git {
-    if ($env:DEPLOY_SKIP_GIT -eq "1") { return }
-    if ($env:CI -eq "true") { return }
-    if ($script:DeployDryRun) { return }
-    if (Test-GitInstalled) {
-        Ok "Git installed"
-        return
-    }
-    Write-Host ""
-    Write-Host "================================"
-    Write-Host "  Git Check"
-    Write-Host "================================"
-    Write-Host ""
-    Warn "Git not found. Attempting automatic install..."
-    Write-Log "Git missing, running Install-Git"
-    Install-Git
-}
-
 function Test-DockerInstalled {
     $docker = Get-Command docker -ErrorAction SilentlyContinue
     if (-not $docker) { return $false }
@@ -346,7 +271,6 @@ function Start-Services {
 
 function Main {
     Init-ProjectDir
-    Ensure-Git
 
     if ((Test-Path ".env") -and -not $env:DEPLOY_FORCE_RECONFIG -and -not $env:DEPLOY_IP) {
         $answer = (Read-Host "Existing .env found. Reconfigure? [y/N]").Trim().ToLower()