$ErrorActionPreference = 'Stop'
$milestoneRoot = $PSScriptRoot
$repositoryRoot = Split-Path -Parent (Split-Path -Parent $milestoneRoot)
$source = Join-Path $milestoneRoot 'source'
$resultPath = Join-Path $milestoneRoot 'package2-result.json'
$logPath = Join-Path $milestoneRoot 'package2.log'
$metadataPath = Join-Path $milestoneRoot 'metadata2-result.json'
foreach ($path in @($resultPath, $logPath, $metadataPath)) {
    if (Test-Path -LiteralPath $path) { throw "Refusing existing execution evidence: $path" }
}
$preparation = Get-Content -LiteralPath (Join-Path $milestoneRoot 'preparation.json') -Raw | ConvertFrom-Json
if ($preparation.reconstruction_commit -ne 'd5650309a93f3d590a41f8a8f0322c6500568f69') { throw 'Unexpected reconstruction commit.' }
. (Join-Path $repositoryRoot '.local/toolchain/env.ps1')
$env:CARGO_BUILD_JOBS = '1'
$env:CARGO_NET_OFFLINE = 'true'
$global:arcadiaContextualMetadataState = [pscustomobject]@{ Executable = (Get-Command cargo -CommandType Application).Source; Calls = 0; Source = $source; ResultPath = $metadataPath }
# Transparent timing/admission wrapper: only the unchanged packager's one exact
# offline metadata command is allowed; stdout remains its original JSON stream.
function cargo {
    $metadataArguments = @($args)
    $expectedArguments = @('metadata', '--locked', '--offline', '--manifest-path', (Join-Path $global:arcadiaContextualMetadataState.Source 'Cargo.toml'), '--filter-platform', 'x86_64-pc-windows-gnullvm', '--format-version', '1')
    if ($global:arcadiaContextualMetadataState.Calls -ne 0 -or ($metadataArguments -join "`n") -cne ($expectedArguments -join "`n")) { throw 'Only one admitted locked offline metadata operation is authorized.' }
    $global:arcadiaContextualMetadataState.Calls++
    $metadataResult = [ordered]@{ executable = $global:arcadiaContextualMetadataState.Executable; arguments = $metadataArguments; started = [DateTime]::UtcNow.ToString('o') }
    try {
        & $global:arcadiaContextualMetadataState.Executable @metadataArguments
        $metadataResult.exitCode = $LASTEXITCODE
    } finally {
        $metadataResult.finished = [DateTime]::UtcNow.ToString('o')
        [IO.File]::WriteAllText($global:arcadiaContextualMetadataState.ResultPath, ($metadataResult | ConvertTo-Json -Depth 8) + "`n", [Text.UTF8Encoding]::new($false))
    }
    $global:LASTEXITCODE = $metadataResult.exitCode
}
$started = [DateTime]::UtcNow
$result = [ordered]@{ started = $started.ToString('o'); source_commit = $preparation.reconstruction_commit; version = $preparation.version }
try {
    & (Join-Path $source 'scripts/package-windows.ps1') `
      -Target x86_64-pc-windows-gnullvm `
      -Version '0.2.0-preview.contextual.20260911' `
      -BinaryDirectory (Join-Path $milestoneRoot 'bin') `
      -LlvmMinGWRoot (Join-Path $repositoryRoot '.local/toolchain/llvm-mingw-20260826-ucrt-x86_64') `
      -BuildEvidence (Join-Path $milestoneRoot 'build-evidence.json') `
      -Python 'C:\Users\User\.cache\codex-runtimes\codex-primary-runtime\dependencies\python\python.exe' `
      -OutputRoot (Join-Path $milestoneRoot 'packages') *>&1 | Tee-Object -FilePath $logPath
    if ($global:arcadiaContextualMetadataState.Calls -ne 1) { throw 'Expected exactly one metadata call.' }
    $result.success = $true
} catch {
    $result.success = $false
    $result.error = $_.ToString()
    $_ | Out-String | Add-Content -LiteralPath $logPath
    Write-Output $_
} finally {
    $result.metadata_calls = $global:arcadiaContextualMetadataState.Calls
    $result.finished = [DateTime]::UtcNow.ToString('o')
    $result.elapsed_seconds = ([DateTime]::UtcNow - $started).TotalSeconds
    [IO.File]::WriteAllText($resultPath, ($result | ConvertTo-Json -Depth 8) + "`n", [Text.UTF8Encoding]::new($false))
}
if (-not $result.success) { exit 1 }