修改完成

tests/t03-document-flow-contract.ps1

@@ -0,0 +1,12 @@
+$ErrorActionPreference = 'Stop'
+$root = Split-Path -Parent $PSScriptRoot
+$page = Get-Content -LiteralPath (Join-Path $root 'pages/tree/t03-member-profile.vue') -Raw -Encoding utf8
+$style = [regex]::Match($page, '(?s)<style[^>]*>(.*?)</style>').Groups[1].Value
+if ([regex]::IsMatch($style, '(?m)\bposition\s*:')) { throw 'T03 member profile must use document flow throughout' }
+foreach ($required in @(
+  'background: url("/static/assets/modules/tree/transparent/t01-state-panel.png")',
+  'background: url("/static/assets/modules/genealogy/transparent/current-seal-frame.png")',
+  'background: url("/static/assets/modules/tree/transparent/t07-search-input-frame.png")',
+  'background: url("/static/assets/foundation/transparent/a01-scroll-primary-v3.png")'
+)) { if ($page -notmatch [regex]::Escape($required)) { throw "T03 is missing real asset background: $required" } }
+Write-Output 'T03-DOCUMENT-FLOW-CONTRACT PASS'