fix(wa): enviar botón URL como componente button/url, no como header

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

debug_turno_wa.php

@@ -191,7 +191,18 @@ if (isset($_GET['test_cel'])) {
     require_once __DIR__ . '/services/WhatsAppService.php';
     try {
         $wa = new WhatsAppService('turnero');
-        $wa->sendTemplateMessage($testCel, $testTpl, $testLang, ['A001'], [$testLink]);
+        $rawComps = [
+            ['type' => 'body', 'parameters' => [['type' => 'text', 'text' => 'A001']]]
+        ];
+        if ($testLink) {
+            $rawComps[] = [
+                'type'       => 'button',
+                'sub_type'   => 'url',
+                'index'      => '0',
+                'parameters' => [['type' => 'text', 'text' => $testLink]],
+            ];
+        }
+        $wa->sendTemplateMessage($testCel, $testTpl, $testLang, [], [], $rawComps);
         echo "✅ Mensaje enviado a {$testCel}\n";
     } catch (\Throwable $e) {
         echo "❌ Error: " . $e->getMessage() . "\n";