SEO/LLM visibility: landing pages, llms.txt, smart banner, og-image 84KB, FAQ ampliada

- 3 landing pages keyword-targeted: manual-portfolio-tracker, portfolio-tracker-vs-spreadsheet, investment-journal (Article + BreadcrumbList + FAQPage JSON-LD)
- llms.txt para descubrimiento por LLMs/AI assistants
- apple-itunes-app smart banner en todas las páginas clave
- og-image.jpg 1200x675 (84KB) — el PNG de 1.3MB rompía previews en WhatsApp/Telegram
- FAQ home ampliada (bank linking, precio, iPad, idiomas) sincronizada con JSON-LD
- SoftwareApplication JSON-LD: screenshots, inLanguage (7 idiomas), author
- og:site_name/locale/image:alt; keywords meta
- Eliminado pt=123456 (provider token placeholder inválido) de todos los links App Store
- Fix typo PorfolioJournal en config.js; h1 duplicado variante B -> h2
- Sitemap actualizado

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01WoScpmHdVj1aUf4rAp6hbe

support.html

@@ -11,14 +11,14 @@
   <meta property="og:title" content="Support — Portfolio Journal">
   <meta property="og:description" content="Get help with Portfolio Journal. Find answers to common questions, report issues, or contact our team for the iOS investment portfolio tracker app.">
   <meta property="og:url" content="https://portfoliojournal.app/support.html">
-  <meta property="og:image" content="https://portfoliojournal.app/assets/images/og-image.png">
-  <meta property="og:image:width" content="1672">
-  <meta property="og:image:height" content="941">
+  <meta property="og:image" content="https://portfoliojournal.app/assets/images/og-image.jpg">
+  <meta property="og:image:width" content="1200">
+  <meta property="og:image:height" content="675">
 
   <meta name="twitter:card" content="summary_large_image">
   <meta name="twitter:title" content="Support — Portfolio Journal">
   <meta name="twitter:description" content="Get help with Portfolio Journal. Find answers to common questions, report issues, or contact our team for the iOS investment portfolio tracker app.">
-  <meta name="twitter:image" content="https://portfoliojournal.app/assets/images/og-image.png">
+  <meta name="twitter:image" content="https://portfoliojournal.app/assets/images/og-image.jpg">
 
   <link rel="icon" href="assets/icons/favicon.svg" type="image/svg+xml">
   <link rel="apple-touch-icon" href="assets/icons/apple-touch-icon.svg">
@@ -60,7 +60,7 @@
         <h1>Support</h1>
         <p>We are here to help you stay on track with your portfolio journaling.</p>
         <div class="page-header-actions">
-          <a class="btn btn-primary" href="https://apps.apple.com/us/app/portfolio-journal/id6757678318?pt=123456&amp;ct=support_page&amp;mt=8">Download on the App Store</a>
+          <a class="btn btn-primary" href="https://apps.apple.com/us/app/portfolio-journal/id6757678318?ct=support_page&amp;mt=8">Download on the App Store</a>
         </div>
       </div>
     </section>