fix: library tabs now switch content — single Alpine scope

Bug: two separate x-data='{ tab }' scopes (one on tabs, one on table)
→ clicking tabs changed tab in first scope, x-show looked at second scope
Fix: single x-data wrapper around both tabs and table divs

app/templates/library.html

@@ -10,8 +10,10 @@
   </div>
 </div>
 
-<!-- Library tabs -->
-<div class="view-tabs" x-data="{ tab: 'recents' }">
+<!-- Library tabs + table — single Alpine scope -->
+<div x-data="{ tab: 'recents' }">
+
+<div class="view-tabs">
   <button class="view-tab" :class="{ active: tab === 'recents' }" @click="tab = 'recents'">
     <span class="tab-icon">🕒</span> Recents
   </button>
@@ -40,7 +42,7 @@
 </div>
 
 <!-- Table -->
-<div x-data="{ tab: 'recents' }" style="padding: 0 24px;">
+<div style="padding: 0 24px;">
   <!-- Column headers -->
   <div class="library-table-header">
     <span class="lib-col lib-col-name">📄 Page name</span>
@@ -110,6 +112,7 @@
     {% endif %}
   </div>
 </div>
+</div>
 {% endblock %}
 
 {% block scripts %}