diff --git a/database/factories/ArticleFactory.php b/database/factories/ArticleFactory.php
index 3e15408..57c212c 100644
--- a/database/factories/ArticleFactory.php
+++ b/database/factories/ArticleFactory.php
@@ -20,7 +20,7 @@ public function definition(): array
     {
         return [
             'feed_id' => Feed::factory(),
-            'url' => $this->faker->url(),
+            'url' => $this->faker->unique()->url(),
             'title' => $this->faker->sentence(),
             'description' => $this->faker->paragraph(),
             'content' => $this->faker->paragraphs(3, true),
diff --git a/resources/views/components/page-header.blade.php b/resources/views/components/page-header.blade.php
new file mode 100644
index 0000000..196509c
--- /dev/null
+++ b/resources/views/components/page-header.blade.php
@@ -0,0 +1,16 @@
+@props(['title', 'subtitle' => null])
+
+<div class="mb-8 flex items-start justify-between">
+    <div>
+        <h1 class="text-2xl font-bold text-gray-900">{{ $title }}</h1>
+        @if ($subtitle)
+            <p class="mt-1 text-sm text-gray-500">{{ $subtitle }}</p>
+        @endif
+    </div>
+    <div class="flex items-center space-x-3">
+        {{ $slot }}
+        <div class="hidden lg:block">
+            <livewire:notification-bell />
+        </div>
+    </div>
+</div>
diff --git a/resources/views/layouts/app.blade.php b/resources/views/layouts/app.blade.php
index 78d305a..30d77ed 100644
--- a/resources/views/layouts/app.blade.php
+++ b/resources/views/layouts/app.blade.php
@@ -66,9 +66,6 @@ class="p-2 rounded-md text-gray-400 hover:text-gray-600 hover:bg-gray-100"
                     <nav class="mt-5 flex-1 px-2 bg-white">
                         @include('layouts.navigation-items')
                     </nav>
-                    <div class="flex-shrink-0 px-4 py-3 border-t border-gray-200">
-                        <livewire:notification-bell />
-                    </div>
                     <div class="flex-shrink-0 p-4 border-t border-gray-200">
                         <div class="flex items-center">
                             <div class="flex-1 min-w-0">
diff --git a/resources/views/livewire/articles.blade.php b/resources/views/livewire/articles.blade.php
index 1ad79b9..6e2930f 100644
--- a/resources/views/livewire/articles.blade.php
+++ b/resources/views/livewire/articles.blade.php
@@ -1,11 +1,5 @@
 <div class="p-6">
-    <div class="mb-6 flex items-start justify-between">
-        <div>
-            <h1 class="text-2xl font-bold text-gray-900">Articles</h1>
-            <p class="mt-1 text-sm text-gray-500">
-                Review and manage article routing
-            </p>
-        </div>
+    <x-page-header title="Articles" subtitle="Review and manage article routing">
         <button
             wire:click="refresh"
             wire:loading.attr="disabled"
@@ -19,7 +13,7 @@ class="inline-flex items-center px-4 py-2 border border-transparent text-sm font
             <span wire:loading.remove wire:target="refresh">{{ $isRefreshing ? 'Refreshing...' : 'Refresh' }}</span>
             <span wire:loading wire:target="refresh">Refreshing...</span>
         </button>
-    </div>
+    </x-page-header>
 
     {{-- Tab bar --}}
     <div class="mb-6 border-b border-gray-200">
diff --git a/resources/views/livewire/channels.blade.php b/resources/views/livewire/channels.blade.php
index ec4691e..9bf0c75 100644
--- a/resources/views/livewire/channels.blade.php
+++ b/resources/views/livewire/channels.blade.php
@@ -1,10 +1,5 @@
 <div class="p-6">
-    <div class="mb-8">
-        <h1 class="text-2xl font-bold text-gray-900">Channels</h1>
-        <p class="mt-1 text-sm text-gray-500">
-            Manage your platform channels and linked accounts
-        </p>
-    </div>
+    <x-page-header title="Channels" subtitle="Manage your platform channels and linked accounts" />
 
     <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
         @forelse ($channels as $channel)
diff --git a/resources/views/livewire/dashboard.blade.php b/resources/views/livewire/dashboard.blade.php
index 9060411..489812b 100644
--- a/resources/views/livewire/dashboard.blade.php
+++ b/resources/views/livewire/dashboard.blade.php
@@ -1,10 +1,5 @@
 <div class="p-6">
-    <div class="mb-8">
-        <h1 class="text-2xl font-bold text-gray-900">Dashboard</h1>
-        <p class="mt-1 text-sm text-gray-500">
-            Overview of your feed management system
-        </p>
-    </div>
+    <x-page-header title="Dashboard" subtitle="Overview of your feed management system" />
 
     <!-- System Statistics -->
     <div class="mb-8">
diff --git a/resources/views/livewire/feeds.blade.php b/resources/views/livewire/feeds.blade.php
index 1a2e5f0..5f4fc72 100644
--- a/resources/views/livewire/feeds.blade.php
+++ b/resources/views/livewire/feeds.blade.php
@@ -1,10 +1,5 @@
 <div class="p-6">
-    <div class="mb-8">
-        <h1 class="text-2xl font-bold text-gray-900">Feeds</h1>
-        <p class="mt-1 text-sm text-gray-500">
-            Manage your news feed sources
-        </p>
-    </div>
+    <x-page-header title="Feeds" subtitle="Manage your news feed sources" />
 
     <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
         @forelse ($feeds as $feed)
diff --git a/resources/views/livewire/routes.blade.php b/resources/views/livewire/routes.blade.php
index 5ab5cc2..45c04c6 100644
--- a/resources/views/livewire/routes.blade.php
+++ b/resources/views/livewire/routes.blade.php
@@ -1,11 +1,5 @@
 <div class="p-6">
-    <div class="mb-8 flex items-center justify-between">
-        <div>
-            <h1 class="text-2xl font-bold text-gray-900">Routes</h1>
-            <p class="mt-1 text-sm text-gray-500">
-                Manage connections between your feeds and channels
-            </p>
-        </div>
+    <x-page-header title="Routes" subtitle="Manage connections between your feeds and channels">
         <button
             wire:click="openCreateModal"
             class="inline-flex items-center px-4 py-2 border border-transparent text-sm font-medium rounded-md text-white bg-blue-600 hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blue-500"
@@ -15,7 +9,7 @@ class="inline-flex items-center px-4 py-2 border border-transparent text-sm font
             </svg>
             Create Route
         </button>
-    </div>
+    </x-page-header>
 
     <div class="space-y-6">
         @forelse ($routes as $route)
@@ -156,7 +150,7 @@ class="inline-flex items-center px-4 py-2 border border-transparent text-sm font
 
                 <span class="hidden sm:inline-block sm:align-middle sm:h-screen" aria-hidden="true">&#8203;</span>
 
-                <div class="inline-block align-bottom bg-white rounded-lg px-4 pt-5 pb-4 text-left overflow-hidden shadow-xl transform transition-all sm:my-8 sm:align-middle sm:max-w-lg sm:w-full sm:p-6">
+                <div class="relative z-10 inline-block align-bottom bg-white rounded-lg px-4 pt-5 pb-4 text-left overflow-hidden shadow-xl transform transition-all sm:my-8 sm:align-middle sm:max-w-lg sm:w-full sm:p-6">
                     <h3 class="text-lg font-medium text-gray-900 mb-4">Create New Route</h3>
                     <form wire:submit="createRoute" class="space-y-4">
                         <div>
@@ -238,7 +232,7 @@ class="px-4 py-2 text-sm font-medium text-white bg-blue-600 border border-transp
 
                 <span class="hidden sm:inline-block sm:align-middle sm:h-screen" aria-hidden="true">&#8203;</span>
 
-                <div class="inline-block align-bottom bg-white rounded-lg px-4 pt-5 pb-4 text-left overflow-hidden shadow-xl transform transition-all sm:my-8 sm:align-middle sm:max-w-lg sm:w-full sm:p-6">
+                <div class="relative z-10 inline-block align-bottom bg-white rounded-lg px-4 pt-5 pb-4 text-left overflow-hidden shadow-xl transform transition-all sm:my-8 sm:align-middle sm:max-w-lg sm:w-full sm:p-6">
                     <div class="flex items-center justify-between mb-4">
                         <h3 class="text-lg font-medium text-gray-900">Edit Route</h3>
                         <button wire:click="closeEditModal" class="text-gray-400 hover:text-gray-600">
diff --git a/resources/views/livewire/settings.blade.php b/resources/views/livewire/settings.blade.php
index a2dc75d..a03019d 100644
--- a/resources/views/livewire/settings.blade.php
+++ b/resources/views/livewire/settings.blade.php
@@ -1,10 +1,5 @@
 <div class="p-6" x-data x-on:clear-message.window="setTimeout(() => $wire.clearMessages(), 3000)">
-    <div class="mb-8">
-        <h1 class="text-2xl font-bold text-gray-900">Settings</h1>
-        <p class="mt-1 text-sm text-gray-500">
-            Configure your system preferences
-        </p>
-    </div>
+    <x-page-header title="Settings" subtitle="Configure your system preferences" />
 
     <div class="space-y-6">
         <!-- Article Processing Settings -->
@@ -63,7 +58,7 @@ class="flex-shrink-0"
                             min="0"
                             max="1440"
                             step="1"
-                            class="w-20 rounded-md border-gray-300 shadow-sm focus:border-indigo-500 focus:ring-indigo-500 sm:text-sm"
+                            class="w-24 rounded-md border-gray-300 px-3 py-2 shadow-sm focus:border-indigo-500 focus:ring-indigo-500 text-sm"
                         />
                         <button
                             wire:click="updateArticlePublishingInterval"
@@ -133,7 +128,7 @@ class="flex-shrink-0"
                             wire:model="feedStalenessThreshold"
                             min="0"
                             step="1"
-                            class="w-20 rounded-md border-gray-300 shadow-sm focus:border-indigo-500 focus:ring-indigo-500 sm:text-sm"
+                            class="w-24 rounded-md border-gray-300 px-3 py-2 shadow-sm focus:border-indigo-500 focus:ring-indigo-500 text-sm"
                         />
                         <button
                             wire:click="updateFeedStalenessThreshold"
diff --git a/tests/Unit/Jobs/CleanupArticlesJobTest.php b/tests/Unit/Jobs/CleanupArticlesJobTest.php
index 8e58f0d..828ae0f 100644
--- a/tests/Unit/Jobs/CleanupArticlesJobTest.php
+++ b/tests/Unit/Jobs/CleanupArticlesJobTest.php
@@ -100,6 +100,8 @@ public function test_cascade_deletes_route_articles(): void
 
     public function test_preserves_article_at_exact_retention_boundary(): void
     {
+        $this->freezeTime();
+
         $boundary = Article::factory()->for(Feed::factory())->create([
             'created_at' => now()->subDays(30),
         ]);