$ErrorActionPreference = 'Stop'
$root = Split-Path -Parent $PSScriptRoot
$page = Get-Content -LiteralPath (Join-Path $root 'pages/genealogy/g12-generation-poems.vue') -Raw -Encoding UTF8
foreach ($token in @(
  'MAX_GENERATION_COUNT',
  'MAX_GENERATION_TEXT_LENGTH',
  'MAX_GENERATION_POEM_INPUT_LENGTH',
  'validateGenerationPoemText',
  'findFirstGenerationGap',
  'mergeGenerationPoemRows',
  ':maxlength="MAX_GENERATION_POEM_INPUT_LENGTH * 2"',
  'disableMissing.value',
  'const disableMissing = ref(false)',
  'const POEM_RENDER_BATCH_SIZE = 50',
  'const visiblePoemRows = computed',
  'const loadMorePoems = () =>',
  'v-for="item in visiblePoemRows"',
  'GENERATION_POEM_STATUS.DISABLED',
  'const activeRows = nextRows.filter',
  'const firstGap = lastActiveGeneration === null',
  'if (firstGap !== null)',
  'overflow-wrap: anywhere',
  'word-break: break-word'
)) {
  if (-not $page.Contains($token)) { throw "G12 capacity contract missing: $token" }
}
foreach ($forbidden in @('stopMissingOldGeneration', 'MAX_GENERATION_POEM_LENGTH', 'query.startGeneration', 'query.currentGeneration', 'maxlength="50"', ':maxlength="MAX_GENERATION_POEM_INPUT_LENGTH"', ':maxlength="-1"')) {
  if ($page.Contains($forbidden)) { throw "G12 retains an unsafe generation contract: $forbidden" }
}
if ($page -match '\.slice\(0,\s*4\)') { throw 'G12 must not truncate poem data to four generations' }
Write-Output 'G12-GENERATION-POEM-CAPACITY-CONTRACT PASS'