Initial commit: 心理咨询预约系统

PHP 前后端一体：首页咨询师列表、预约表单、管理后台、二维码准入与邮件通知；敏感配置与提交数据通过 .gitignore 排除。

Co-authored-by: Cursor <cursoragent@cursor.com>

api/submissions.php

@@ -0,0 +1,17 @@
+<?php
+declare(strict_types=1);
+
+require __DIR__ . '/bootstrap.php';
+
+if ($_SERVER['REQUEST_METHOD'] !== 'GET') {
+    jsonError('方法不允许', 405);
+}
+
+requireAdmin();
+
+$submissions = readSubmissions();
+usort($submissions, function ($a, $b) {
+    return strcmp($b['createdAt'] ?? '', $a['createdAt'] ?? '');
+});
+
+jsonResponse(['ok' => true, 'data' => $submissions, 'total' => count($submissions)]);