Review changes batch 6 of 6

tests/core-flow-contract.ps1

@@ -53,11 +53,12 @@ if ($pages -match 'pages/genealogy/g04-first-ancestor') {
   throw 'G04 first-person route must be merged into G03'
 }
 $createFlow = Get-Content -Raw -Encoding UTF8 (Join-Path $root 'pages/genealogy/g03-create-genealogy.vue')
-foreach ($token in @('step=ancestor', 'createPerson', 'genealogyContext')) {
+foreach ($token in @('step=ancestor', 'submitAncestor', 'genealogyId')) {
   if ($createFlow -notmatch [regex]::Escape($token)) {
     throw "Missing G03 first-person flow: $token"
   }
 }
+if ($createFlow -match 'createPerson') { throw 'G03 must not retain the removed createPerson entrypoint' }
 foreach ($route in @('pages/family/f04-article-list', 'pages/family/f02-publish-feed')) {
   if ($pages -notmatch [regex]::Escape($route)) {
     throw "Missing content page route: $route"
@@ -69,7 +70,11 @@ foreach ($pageFile in @('pages/genealogy/g05-genealogy-overview.vue', 'pages/tre
   if ($page -match "id=1001|id=3") {
     throw "Hard-coded route ID remains in $pageFile"
   }
-  if ($page -notmatch 'genealogyContext') {
+  if ($pageFile -eq 'pages/genealogy/g05-genealogy-overview.vue') {
+    if ($page -notmatch "const genealogyId = ref\(''\)" -or $page -notmatch 'query\.genealogyId') {
+      throw 'G05 must own its explicit genealogyId route context'
+    }
+  } elseif ($page -notmatch 'genealogyContext') {
     throw "Missing genealogy context in $pageFile"
   }
 }