Review changes batch 6 of 6

tests/capture-f-series-states-contract.ps1

@@ -0,0 +1,11 @@
+$ErrorActionPreference = 'Stop'
+$root = Split-Path -Parent $PSScriptRoot
+$capture = Get-Content -LiteralPath (Join-Path $root 'scripts/capture-chrome-page.js') -Raw -Encoding utf8
+
+foreach ($required in @('prepareFSeriesState', 'f02-validation', 'module-preview-toast', 'waitForPageLoad')) {
+  if ($capture -notmatch [regex]::Escape($required)) { throw "F series capture state missing: $required" }
+}
+if ($capture -notmatch 'await prepareFSeriesState\(send, action\)') { throw 'Capture runner does not prepare F series states' }
+if ($capture -notmatch "waitForPageLoad\(socket, \(\) => send\('Page\.reload'\)\)") { throw 'Capture runner must wait for the reload load event before DOM inspection' }
+
+Write-Output 'CAPTURE-F-SERIES-STATES-CONTRACT PASS'