Isolate modern and Win7 workspaces (T-604)

init.ps1

@@ -12,17 +12,23 @@ $Utf8 = [System.Text.UTF8Encoding]::new($false)
 $OutputEncoding = $Utf8
 Set-Location -Path $PSScriptRoot
 
-$InstallCmd = "go work sync"
+$InstallCmd = '$env:GOTOOLCHAIN="go1.25.0"; $env:GOWORK=(Resolve-Path "go.work").Path; go work sync; if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }; $env:GOWORK=(Resolve-Path "app-win7/go.work").Path; go work sync'
 $VerifyCmd  = "./scripts/verify_phase0.ps1"
-$StartCmd   = '$env:CGO_ENABLED="0"; $env:GOOS="windows"; $env:GOARCH="amd64"; $env:GOTOOLCHAIN="go1.25.0"; go build -C app-modern -trimpath "-ldflags=-H=windowsgui" -o ../dist/SoftBox.exe ./cmd/softbox; if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }; $env:GOTOOLCHAIN="go1.20.14"; go build -C app-win7 -trimpath "-ldflags=-H=windowsgui" -o ../dist/SoftBox-win7.exe ./cmd/softbox'
+$StartCmd   = '$env:CGO_ENABLED="0"; $env:GOOS="windows"; $env:GOARCH="amd64"; $env:GOTOOLCHAIN="go1.25.0"; $env:GOWORK=(Resolve-Path "go.work").Path; go build -C app-modern -trimpath "-ldflags=-H=windowsgui" -o ../dist/SoftBox.exe ./cmd/softbox; if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }; $env:GOTOOLCHAIN="go1.20.14"; $env:GOWORK=(Resolve-Path "app-win7/go.work").Path; go build -C app-win7 -trimpath "-ldflags=-H=windowsgui" -o ../dist/SoftBox-win7.exe ./cmd/softbox'
 
 Write-Host "==> 当前目录: $($PWD.Path)"
 
 Write-Host "==> 同步依赖"
 Invoke-Expression $InstallCmd
+if ($LASTEXITCODE -ne 0) {
+  exit $LASTEXITCODE
+}
 
 Write-Host "==> 运行基础验证"
 Invoke-Expression $VerifyCmd
+if ($LASTEXITCODE -ne 0) {
+  exit $LASTEXITCODE
+}
 
 Write-Host "==> 启动命令"
 Write-Host "    $StartCmd"
@@ -30,6 +36,9 @@ Write-Host "    $StartCmd"
 if ($env:RUN_START_COMMAND -eq "1") {
   Write-Host "==> 启动应用"
   Invoke-Expression $StartCmd
+  if ($LASTEXITCODE -ne 0) {
+    exit $LASTEXITCODE
+  }
 } else {
   Write-Host "如果希望 init.ps1 直接启动应用，请设置环境变量 RUN_START_COMMAND=1。"
   Write-Host "如果基础验证失败，先修复基线状态，不要在坏的起点上继续叠新功能。"