<?php
// public/api/_db.php
$cfg = require __DIR__ . '/../../src/config.php';
$dsn = "mysql:host={$cfg['db_host']};dbname={$cfg['db_name']};charset={$cfg['db_charset']}";
$options = [
    PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
    PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
];
try {
    $pdo = new PDO($dsn, $cfg['db_user'], $cfg['db_pass'], $options);
} catch (PDOException $e) {
    http_response_code(500);
    header('Content-Type: application/json');
    echo json_encode(['error' => 'DB connection failed']);
    exit;
}