# 全工程 BOM 扫描（AGENTS.md：批量编辑 .java 后、mvn compile 前必跑）
$hits = Get-ChildItem -Path 'd:\code\crm-backend-matt' -Recurse -Filter *.java |
    Where-Object { $_.FullName -notmatch '\\target\\' } |
    Where-Object {
        $b = [IO.File]::ReadAllBytes($_.FullName)
        $b.Length -ge 3 -and $b[0] -eq 0xEF -and $b[1] -eq 0xBB -and $b[2] -eq 0xBF
    }
if ($hits) { $hits | ForEach-Object { Write-Output ("BOM: " + $_.FullName) } }
else { Write-Output "BOM files: 0" }