Rôles, tableau de bord et tests unitaires

templates/bundles/TwigBundle/Exception/error403.html.twig

@@ -0,0 +1,10 @@
+{% extends 'base.html.twig' %}
+{% block title %}403 - Access Denied{% endblock %}
+{% block body %}
+<div class="text-center mt-5">
+    <h1 class="display-1 text-danger">403</h1>
+    <h2>Access Denied</h2>
+    <p class="text-muted">You don't have permission to access this page.</p>
+    <a href="{{ path('app_server_index') }}" class="btn btn-primary">Back to Dashboard</a>
+</div>
+{% endblock %}

templates/bundles/TwigBundle/Exception/error404.html.twig

@@ -0,0 +1,10 @@
+{% extends 'base.html.twig' %}
+{% block title %}404 - Not Found{% endblock %}
+{% block body %}
+<div class="text-center mt-5">
+    <h1 class="display-1 text-warning">404</h1>
+    <h2>Page Not Found</h2>
+    <p class="text-muted">The page you're looking for doesn't exist.</p>
+    <a href="{{ path('app_server_index') }}" class="btn btn-primary">Back to Dashboard</a>
+</div>
+{% endblock %}

templates/bundles/TwigBundle/Exception/error500.html.twig

@@ -0,0 +1,10 @@
+{% extends 'base.html.twig' %}
+{% block title %}500 - Server Error{% endblock %}
+{% block body %}
+<div class="text-center mt-5">
+    <h1 class="display-1 text-danger">500</h1>
+    <h2>Internal Server Error</h2>
+    <p class="text-muted">Something went wrong on our end. Please try again later.</p>
+    <a href="{{ path('app_server_index') }}" class="btn btn-primary">Back to Dashboard</a>
+</div>
+{% endblock %}