'WEVAL MIND', 'welcome_message' => 'Bonjour! 👋 Je suis votre assistant WEVAL.', 'robot_image' => '', 'color1' => '#06b6d4', 'color2' => '#3b82f6', 'default_provider' => 'groq', 'bubble_text' => 'Salam !' ]; try { $pdo = new PDO("pgsql:host=localhost;dbname=adx_system", "admin", "admin123"); $stmt = $pdo->query("SELECT config_key, config_value FROM admin.chatbot_config"); while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) { $config[$row['config_key']] = $row['config_value']; } } catch (Exception $e) {} echo json_encode($config);