$ErrorActionPreference = 'Stop'

$root = Split-Path -Parent $PSScriptRoot
$g03 = Get-Content -LiteralPath (Join-Path $root 'pages/genealogy/g03-create-genealogy.vue') -Raw -Encoding utf8

function Assert-Match {
  param([string]$Content, [string]$Pattern, [string]$Message)
  if ($Content -notmatch $Pattern) { throw $Message }
}

if ($g03 -match '<text>返回</text>') { throw 'G03 header must use only the approved image back arrow' }
Assert-Match -Content $g03 -Pattern '(?s)\.flow-header__back,\s*\.flow-header__side\s*\{[^}]*width:\s*72rpx;' -Message 'G03 header side slots must preserve centered title after removing back text'
Assert-Match -Content $g03 -Pattern '(?s)\.flow-header__back-icon\s*\{[^}]*width:\s*34rpx;[^}]*height:\s*34rpx;' -Message 'G03 back arrow must use the approved visible size'
Assert-Match -Content $g03 -Pattern '(?s)\.flow-note,\s*\.flow-rule__note\s*\{[^}]*font-size:\s*25rpx;' -Message 'G03 guidance copy must use the approved readable size'
Assert-Match -Content $g03 -Pattern '(?s)\.flow-rule__option\s*\{[^}]*font-size:\s*23rpx;' -Message 'G03 visibility options must use the approved readable size'
Assert-Match -Content $g03 -Pattern '(?s)\.field-error\s*\{[^}]*font-size:\s*24rpx;[^}]*line-height:\s*34rpx;' -Message 'G03 field errors must use the approved readable size'
Assert-Match -Content $g03 -Pattern '(?s)\.flow-error\s*\{[^}]*font-size:\s*25rpx;[^}]*line-height:\s*36rpx;' -Message 'G03 submit errors must use the approved readable size'

foreach ($asset in @('a01-scroll-dialog-v3.png', 'a01-scroll-primary-v3.png', 'a01-scroll-secondary-v3.png')) {
  if ($g03 -notmatch [regex]::Escape($asset)) { throw "G03 must retain approved shared asset: $asset" }
}

Write-Output 'G03-VISUAL-STATES-CONTRACT PASS'