feat: Advanced filtering system v1.4.1.2

''

frontend-internal/src/lib/components/Header.svelte

@@ -84,6 +84,9 @@
 {#if isMenuOpen}
   <div 
     class="fixed inset-0 z-40 lg:hidden" 
+    role="dialog" 
+    tabindex="0" 
     on:click={() => isMenuOpen = false}
+    on:keydown={(e) => e.key === 'Escape' && (isMenuOpen = false)}
   ></div>
 {/if}

frontend-internal/src/lib/components/Sidebar.svelte

@@ -78,7 +78,7 @@
 <!-- Mobile sidebar backdrop -->
 {#if open}
   <div class="fixed inset-0 z-40 lg:hidden">
-    <div class="fixed inset-0 bg-gray-600 bg-opacity-75" on:click={() => open = false}></div>
+    <div class="fixed inset-0 bg-gray-600 bg-opacity-75" role="dialog" tabindex="0" on:click={() => open = false} on:keydown={(e) => e.key === 'Escape' && (open = false)}></div>
   </div>
 {/if}
 

frontend-internal/tsconfig.json

@@ -18,7 +18,8 @@
             "DOM.Iterable"
         ],
         "allowSyntheticDefaultImports": true,
-        "isolatedModules": true
+        "isolatedModules": true,
+        "verbatimModuleSyntax": true
     },
     "include": [
         "src/**/*",