feat: initial impl w/ styles, scripts, & server-side logic (steps 1, 2, 3)

assessment/customs/clientc/modules/cars/ajax.php

@@ -1 +1,21 @@
-<h1>Voitures Client C</h1>
+<?php
+require_once __DIR__ . '/../../../../src/utils.php';
+$cars = DataManager::getCars('clientc');
+?>
+<h1>Voitures Client C</h1>
+<?php if (empty($cars)): ?>
+	<p>Aucune voiture trouvée.</p>
+<?php else: ?>
+	<ul>
+		<?php foreach ($cars as $car): ?>
+			<?php $color = isset($car['colorHex']) ? $car['colorHex'] : '#ccc'; ?>
+			<li class="garage-bullet car-item" data-car-id="<?php echo htmlspecialchars($car['id'] ?? ''); ?>">
+				<span class="garage-color" style="background-color:<?php echo htmlspecialchars($color); ?>"></span>
+				<span>
+					<strong><?php echo htmlspecialchars($car['modelName'] ?? '-'); ?></strong>
+					- <?php echo htmlspecialchars($car['brand'] ?? '-'); ?>
+				</span>
+			</li>
+		<?php endforeach; ?>
+	</ul>
+<?php endif; ?>