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/login.php

@@ -0,0 +1,23 @@
+<?php
+declare(strict_types=1);
+
+require __DIR__ . '/bootstrap.php';
+
+if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
+    jsonError('方法不允许', 405);
+}
+
+$body = getRequestBody();
+$user = trim((string) ($body['user'] ?? ''));
+$password = trim((string) ($body['password'] ?? ''));
+
+$config = loadAppConfig();
+$adminUser = (string) ($config['adminUser'] ?? 'frankfrank');
+$adminPassword = (string) ($config['adminPassword'] ?? 'frankfrank');
+
+if ($user !== $adminUser || $password !== $adminPassword) {
+    jsonError('账号或密码错误', 401);
+}
+
+$_SESSION['admin'] = true;
+jsonResponse(['ok' => true, 'message' => '登录成功']);