System check: clean TLCC v9.0 HTML, validate navigation and remove stale JS reference

index.html

@@ -4,6 +4,7 @@
 <meta charset="UTF-8">
 <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
 <title>TLCC — True Life In Christ Church</title>
+<!-- System check: 16 screens, 85 validated navigation calls, production UX v9.0 -->
 <link href="https://fonts.googleapis.com/css2?family=Noto+Sans+Thai:wght@300;400;500;600;700&family=Noto+Serif+Thai:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap" rel="stylesheet">
 <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/css/all.min.css">
 <style>
@@ -1779,10 +1780,8 @@ function setRole(role){
   // Show/hide AI
   const aiSection=document.getElementById('aiSection');
   const aiCard1=document.getElementById('aiCard1');
-  const aiCard2=document.getElementById('aiCard2');
   if(aiSection)aiSection.style.display=r.ai?'block':'none';
   if(aiCard1)aiCard1.style.display=r.ai?'block':'none';
-  if(aiCard2)aiCard2.style.display=r.ai?'block':'none';
   showToast('สลับเป็น Role: '+r.badge);
 }