feat: 完成70%全局样式与可读性优化

tests/member-app-user-visibility-contract.ps1

@@ -0,0 +1,14 @@
+$ErrorActionPreference = 'Stop'
+$root = Split-Path -Parent $PSScriptRoot
+
+foreach ($pageName in @('t04-add-relative.vue', 't05-edit-member.vue')) {
+  $page = Get-Content -LiteralPath (Join-Path $root "pages/tree/$pageName") -Raw -Encoding UTF8
+  if ($page.Contains('<text>业务用户</text>') -or $page.Contains('appUserBindingHint')) {
+    throw "$pageName must not expose the internal business-user field"
+  }
+  if (-not $page.Contains('bindingMode')) {
+    throw "$pageName must retain the member binding payload contract"
+  }
+}
+
+Write-Output 'MEMBER-APP-USER-VISIBILITY-CONTRACT PASS'