$ErrorActionPreference = 'Stop'
$root = Split-Path $PSScriptRoot -Parent
$component = [System.IO.File]::ReadAllText((Join-Path $root 'components/tree/TreeMemberForm.vue'), [System.Text.Encoding]::UTF8)

foreach ($expected in @(
  'grid-template-columns: auto minmax(0, 1fr)',
  'min-height: min(640px, calc((100vw - 16px) * 1.48))',
  'pointer-events: none'
)) {
  if (-not $component.Contains($expected)) { throw "TreeMemberForm document-flow contract missing: $expected" }
}

foreach ($selector in @('.member-form, .member-form-result','.member-field > text','.member-field input')) {
  $escaped = [regex]::Escape($selector)
  if ($component -match "(?s)$escaped\s*\{[^}]*position\s*:\s*(absolute|fixed|sticky)\s*;") {
    throw "TreeMemberForm normal content selector uses positioning: $selector"
  }
}

Write-Output 'TREE-MEMBER-FORM-DOCUMENT-FLOW-CONTRACT PASS'