修改完成

tests/f08-album-detail-contract.ps1

@@ -26,14 +26,14 @@ foreach ($expected in @(
   'const photos = [',
   'const openPreview = (index) =>',
   'const closePreview = () =>',
-  'const showUploadNotice = () =>',
+  'const toUpload = () =>',
+  '/pages/family/f09-media-upload?albumId=${albumId.value}',
   'query.state === "empty"',
   'query.state === "preview"',
   'query.state === "expired"',
   'class="album-empty-state"',
   'class="album-expired-state"',
   'class="album-preview__position"',
-  ':message="uploadNoticeMessage"',
   'f08-reunion-hero.png',
   'f08-family-portrait.png',
   'f08-reunion-table.png',
@@ -42,8 +42,7 @@ foreach ($expected in @(
   ':alt="photo.alt"',
   'ModulePageBackground',
   'PageHeader',
-  'AppButton',
-  'AppToast'
+  'AppButton'
 )) {
   Assert-Contains $page $expected "F08 contract missing: $expected"
 }
@@ -52,6 +51,16 @@ foreach ($forbidden in @('<ModulePage page-id="f08"', 'import ModulePage from',
   if ($page.Contains($forbidden)) { throw "F08 retains forbidden dependency: $forbidden" }
 }
 
+foreach ($requiredPosition in @(
+  '(?s)\.album-photo-tile\s*\{[^}]*position:\s*relative;',
+  '(?s)\.album-hero-photo,\s*\.album-photo-tile__image\s*\{[^}]*position:\s*absolute;',
+  '(?s)\.album-photo-tile__caption\s*\{[^}]*position:\s*absolute;',
+  '(?s)\.album-preview\s*\{[^}]*position:\s*fixed;'
+)) {
+  if ($page -notmatch $requiredPosition) { throw "F08 required local overlay boundary missing: $requiredPosition" }
+}
+if ([regex]::Matches($page, 'position\s*:').Count -ne 4) { throw 'F08 must keep only its photo-tile overlays and full-screen preview positioned' }
+
 if ($catalog -match '(?m)^\s*f08\s*:') {
   throw 'F08 obsolete page-catalog owner must be removed'
 }