refactor: enhanced structure

frontend/src/components/Tabs.svelte

@@ -1,31 +1,27 @@
-<!-- components/Tabs.svelte -->
+<!-- src/components/Tabs.svelte -->
 <script>
-export let activeTab = 'overview';
-export let tabs = [
-    { id: 'overview', label: 'Overview' },
-    { id: 'settings', label: 'Settings' }
-];
+  import { activeTab, TABS } from '../stores/appStore';
 </script>
 
 <div class="tabs-container">
-    {#each tabs as tab}
-        <button 
-            class="tab {activeTab === tab.id ? 'active' : ''}"
-            on:click={() => activeTab = tab.id}
-        >
-            {tab.label}
-        </button>
-    {/each}
+  {#each TABS as tab}
+    <button 
+      class="tab {$activeTab === tab.id ? 'active' : ''}"
+      on:click={() => $activeTab = tab.id}
+    >
+      {tab.label}
+    </button>
+  {/each}
 </div>
 
 <style>
-.tabs-container {
+  .tabs-container {
     background-color: var(--bg-primary);
     border-bottom: 1px solid var(--border-color);
     display: flex;
-}
+  }
 
-.tab {
+  .tab {
     flex: 1;
     padding: var(--spacing-md) var(--spacing-lg);
     background: transparent;
@@ -35,17 +31,17 @@ export let tabs = [
     position: relative;
     transition: color 0.2s ease;
     font-size: 0.875rem;
-}
+  }
 
-.tab:hover {
+  .tab:hover {
     color: var(--text-primary);
-}
+  }
 
-.tab.active {
+  .tab.active {
     color: var(--text-primary);
-}
+  }
 
-.tab.active::after {
+  .tab.active::after {
     content: '';
     position: absolute;
     bottom: 0;
@@ -53,5 +49,5 @@ export let tabs = [
     right: 0;
     height: 2px;
     background-color: var(--accent-primary);
-}
+  }
 </style>