$ErrorActionPreference = 'Stop'
$taskRoot = 'C:/Users/User/Documents/Git/ARCADIA-Studio'
$taskPairs = @(
    @{ name='arcadia-studio.exe'; retained="$taskRoot/.local/source-rename-integration-20260912/attempt-8/arcadia-studio.exe"; sha='819965abf5e70cc72f4fbd8acced15de6a54a2103b025366e2c7d5c8ef6d69d1' },
    @{ name='arcadia-server.exe'; retained="$taskRoot/.local/source-rename-server-build-20260912/attempt-1/arcadia-server.exe"; sha='b92a4d7f8b5bf868fef8cfe154cea1d7d8ab50367da8458ab9cb593b074aefcf' }
)
$taskRecords = @()
foreach ($taskProducer in @('C:/arcadia-rename-package-1','C:/arcadia-rename-package-2')) {
    $taskReceipt = Get-Content -LiteralPath "$taskProducer/adapter-result.json" -Raw | ConvertFrom-Json
    foreach ($taskPair in $taskPairs) {
        $taskTarget = (Get-Item -LiteralPath "$taskProducer/bin/$($taskPair.name)").FullName
        $taskExpected = [IO.Path]::GetFullPath("$taskProducer/bin/$($taskPair.name)")
        if ($taskTarget -ne $taskExpected) { throw 'Resolved path mismatch' }
        $taskOriginal = Get-FileHash -LiteralPath $taskPair.retained -Algorithm SHA256
        $taskDuplicate = Get-FileHash -LiteralPath $taskTarget -Algorithm SHA256
        if ($taskOriginal.Hash.ToLowerInvariant() -ne $taskPair.sha -or $taskDuplicate.Hash -ne $taskOriginal.Hash) { throw 'Duplicate identity mismatch' }
        $taskRecords += @{ path=$taskTarget; retained=$taskPair.retained; sha256=$taskPair.sha; bytes=(Get-Item -LiteralPath $taskTarget).Length; producerReceipt="$taskProducer/adapter-result.json"; producerReceiptSha256=(Get-FileHash -LiteralPath "$taskProducer/adapter-result.json" -Algorithm SHA256).Hash.ToLowerInvariant() }
    }
}
$taskProcesses = @(Get-CimInstance Win32_Process -Filter "Name='arcadia-studio.exe' OR Name='arcadia-server.exe'" | Where-Object { $_.ExecutablePath -in $taskRecords.path })
if ($taskProcesses.Count) { throw 'A staging executable is still running' }
$taskOutput = "$taskRoot/.local/text-workspace-native-20260912/closed-duplicate-disposal.json"
if (Test-Path -LiteralPath $taskOutput) { throw 'Disposal receipt already exists' }
$taskDisposal = @{ atUtc=[DateTime]::UtcNow.ToString('o'); reason='Completed root-owned package adapter staging copies; exact retained build artifacts and published package remain available. Preserve all original receipts and unique evidence.'; beforeFree=(Get-PSDrive C).Free; files=$taskRecords; completed=$false }
$taskDisposal | ConvertTo-Json -Depth 6 | Set-Content -LiteralPath $taskOutput -Encoding utf8
foreach ($taskRecord in $taskRecords) { Remove-Item -LiteralPath $taskRecord.path }
foreach ($taskRecord in $taskRecords) {
    if (Test-Path -LiteralPath $taskRecord.path) { throw 'Duplicate remains' }
    if ((Get-FileHash -LiteralPath $taskRecord.retained -Algorithm SHA256).Hash.ToLowerInvariant() -ne $taskRecord.sha256) { throw 'Retained original changed' }
}
$taskDisposal.completed=$true
$taskDisposal.afterFree=(Get-PSDrive C).Free
$taskDisposal | ConvertTo-Json -Depth 6 | Set-Content -LiteralPath $taskOutput -Encoding utf8
@{ completed=$true; reclaimedBytes=($taskRecords | Measure-Object -Property bytes -Sum).Sum; free=$taskDisposal.afterFree; receipt=$taskOutput } | ConvertTo-Json