Initial plan: fix enterprise category not showing

Co-authored-by: brunoborges <129743+brunoborges@users.noreply.github.com>

Author: Copilot

site/enterprise/ejb-vs-cdi.html

@@ -8,6 +8,9 @@
   <meta name="robots" content="index, follow">
   <link rel="canonical" href="https://javaevolved.github.io/enterprise/ejb-vs-cdi.html">
   <link rel="stylesheet" href="../styles.css">
+  <script>
+    (function(){var t=localStorage.getItem('theme')||(window.matchMedia('(prefers-color-scheme: light)').matches?'light':'dark');document.documentElement.setAttribute('data-theme',t);})();
+  </script>
   <link rel="icon" href="../favicon.svg" type="image/svg+xml">
   <link rel="manifest" href="../manifest.json">
   <meta name="theme-color" content="#f97316">
@@ -96,6 +99,7 @@
             <path d="M10 3C6.13 3 3 6.13 3 10c0 3.09 2 5.71 4.77 6.63.35.06.48-.15.48-.33v-1.16c-1.95.42-2.36-1.07-2.36-1.07-.32-.81-.78-1.03-.78-1.03-.64-.43.05-.42.05-.42.7.05 1.07.72 1.07.72.63 1.08 1.65.77 2.05.59.06-.46.24-.77.44-.95-1.57-.18-3.22-.78-3.22-3.48 0-.77.27-1.4.72-1.89-.07-.18-.31-.9.07-1.87 0 0 .59-.19 1.93.72.56-.16 1.16-.24 1.76-.24s1.2.08 1.76.24c1.34-.91 1.93-.72 1.93-.72.38.97.14 1.69.07 1.87.45.49.72 1.12.72 1.89 0 2.71-1.65 3.3-3.23 3.47.25.22.48.65.48 1.31v1.94c0 .19.13.4.48.33C15 15.71 17 13.09 17 10c0-3.87-3.13-7-7-7z"/>
           </svg>
         </a>
+        <button class="theme-toggle" id="themeToggle" aria-label="Toggle theme">☀️</button>
         <a href="/" class="back-link">← All patterns</a>
 
         <div class="nav-arrows">

site/enterprise/jdbc-vs-jpa.html

@@ -8,6 +8,9 @@
   <meta name="robots" content="index, follow">
   <link rel="canonical" href="https://javaevolved.github.io/enterprise/jdbc-vs-jpa.html">
   <link rel="stylesheet" href="../styles.css">
+  <script>
+    (function(){var t=localStorage.getItem('theme')||(window.matchMedia('(prefers-color-scheme: light)').matches?'light':'dark');document.documentElement.setAttribute('data-theme',t);})();
+  </script>
   <link rel="icon" href="../favicon.svg" type="image/svg+xml">
   <link rel="manifest" href="../manifest.json">
   <meta name="theme-color" content="#f97316">
@@ -96,6 +99,7 @@
             <path d="M10 3C6.13 3 3 6.13 3 10c0 3.09 2 5.71 4.77 6.63.35.06.48-.15.48-.33v-1.16c-1.95.42-2.36-1.07-2.36-1.07-.32-.81-.78-1.03-.78-1.03-.64-.43.05-.42.05-.42.7.05 1.07.72 1.07.72.63 1.08 1.65.77 2.05.59.06-.46.24-.77.44-.95-1.57-.18-3.22-.78-3.22-3.48 0-.77.27-1.4.72-1.89-.07-.18-.31-.9.07-1.87 0 0 .59-.19 1.93.72.56-.16 1.16-.24 1.76-.24s1.2.08 1.76.24c1.34-.91 1.93-.72 1.93-.72.38.97.14 1.69.07 1.87.45.49.72 1.12.72 1.89 0 2.71-1.65 3.3-3.23 3.47.25.22.48.65.48 1.31v1.94c0 .19.13.4.48.33C15 15.71 17 13.09 17 10c0-3.87-3.13-7-7-7z"/>
           </svg>
         </a>
+        <button class="theme-toggle" id="themeToggle" aria-label="Toggle theme">☀️</button>
         <a href="/" class="back-link">← All patterns</a>
 
         <div class="nav-arrows">

site/enterprise/jpa-vs-jakarta-data.html

@@ -8,6 +8,9 @@
   <meta name="robots" content="index, follow">
   <link rel="canonical" href="https://javaevolved.github.io/enterprise/jpa-vs-jakarta-data.html">
   <link rel="stylesheet" href="../styles.css">
+  <script>
+    (function(){var t=localStorage.getItem('theme')||(window.matchMedia('(prefers-color-scheme: light)').matches?'light':'dark');document.documentElement.setAttribute('data-theme',t);})();
+  </script>
   <link rel="icon" href="../favicon.svg" type="image/svg+xml">
   <link rel="manifest" href="../manifest.json">
   <meta name="theme-color" content="#f97316">
@@ -96,6 +99,7 @@
             <path d="M10 3C6.13 3 3 6.13 3 10c0 3.09 2 5.71 4.77 6.63.35.06.48-.15.48-.33v-1.16c-1.95.42-2.36-1.07-2.36-1.07-.32-.81-.78-1.03-.78-1.03-.64-.43.05-.42.05-.42.7.05 1.07.72 1.07.72.63 1.08 1.65.77 2.05.59.06-.46.24-.77.44-.95-1.57-.18-3.22-.78-3.22-3.48 0-.77.27-1.4.72-1.89-.07-.18-.31-.9.07-1.87 0 0 .59-.19 1.93.72.56-.16 1.16-.24 1.76-.24s1.2.08 1.76.24c1.34-.91 1.93-.72 1.93-.72.38.97.14 1.69.07 1.87.45.49.72 1.12.72 1.89 0 2.71-1.65 3.3-3.23 3.47.25.22.48.65.48 1.31v1.94c0 .19.13.4.48.33C15 15.71 17 13.09 17 10c0-3.87-3.13-7-7-7z"/>
           </svg>
         </a>
+        <button class="theme-toggle" id="themeToggle" aria-label="Toggle theme">☀️</button>
         <a href="/" class="back-link">← All patterns</a>
 
         <div class="nav-arrows">

site/enterprise/servlet-vs-jaxrs.html

@@ -8,6 +8,9 @@
   <meta name="robots" content="index, follow">
   <link rel="canonical" href="https://javaevolved.github.io/enterprise/servlet-vs-jaxrs.html">
   <link rel="stylesheet" href="../styles.css">
+  <script>
+    (function(){var t=localStorage.getItem('theme')||(window.matchMedia('(prefers-color-scheme: light)').matches?'light':'dark');document.documentElement.setAttribute('data-theme',t);})();
+  </script>
   <link rel="icon" href="../favicon.svg" type="image/svg+xml">
   <link rel="manifest" href="../manifest.json">
   <meta name="theme-color" content="#f97316">
@@ -96,6 +99,7 @@
             <path d="M10 3C6.13 3 3 6.13 3 10c0 3.09 2 5.71 4.77 6.63.35.06.48-.15.48-.33v-1.16c-1.95.42-2.36-1.07-2.36-1.07-.32-.81-.78-1.03-.78-1.03-.64-.43.05-.42.05-.42.7.05 1.07.72 1.07.72.63 1.08 1.65.77 2.05.59.06-.46.24-.77.44-.95-1.57-.18-3.22-.78-3.22-3.48 0-.77.27-1.4.72-1.89-.07-.18-.31-.9.07-1.87 0 0 .59-.19 1.93.72.56-.16 1.16-.24 1.76-.24s1.2.08 1.76.24c1.34-.91 1.93-.72 1.93-.72.38.97.14 1.69.07 1.87.45.49.72 1.12.72 1.89 0 2.71-1.65 3.3-3.23 3.47.25.22.48.65.48 1.31v1.94c0 .19.13.4.48.33C15 15.71 17 13.09 17 10c0-3.87-3.13-7-7-7z"/>
           </svg>
         </a>
+        <button class="theme-toggle" id="themeToggle" aria-label="Toggle theme">☀️</button>
         <a href="/" class="back-link">← All patterns</a>
 
         <div class="nav-arrows">