backup: 线上最终版本全量备份

包含所有线上运行的改动:
- 荷官端倒计时卡顿修复(CountdownService TTL+10/前端watchdog)
- 停止下注debounce防重复(8个handle.js)
- 洗码量规则重写(单边/双边/开和不计/百家乐+龙虎)
- 龙虎和局不杀庄闲(全额退回)
- 日志系统(Logger工具类/日志查看/清理脚本)
- 好路提醒异常处理(WaybillRemindService try-catch)
- 扫牌器连接改进(ScanConnectService)
- 牛牛/三卡开牌修复
- .gitignore更新/.DS_Store清理

app/index/controller/Log.php

@@ -0,0 +1,32 @@
+<?php
+declare (strict_types = 1);
+
+namespace app\index\controller;
+
+use think\facade\Request;
+use think\response\Json;
+
+class Log
+{
+    public function report(): Json
+    {
+        if (!Request::instance()->isPost()) return json(['status' => 0]);
+        $data = Request::instance()->post();
+        if (empty($data)) {
+            $raw = Request::instance()->getContent();
+            $data = json_decode($raw, true) ?: [];
+        }
+        \app\utils\Logger::error(\app\utils\Logger::CAT_FRONTEND, $data['message'] ?? 'unknown', [
+            'source'  => $data['source'] ?? 'unknown',
+            'type'    => $data['type'] ?? 'error',
+            'stack'   => isset($data['stack']) ? substr($data['stack'], 0, 2000) : '',
+            'file'    => $data['file'] ?? '',
+            'url'     => $data['url'] ?? '',
+            'line'    => $data['line'] ?? '',
+            'col'     => $data['col'] ?? '',
+            'ua'      => Request::instance()->header('user-agent', ''),
+            'ip'      => Request::instance()->ip(),
+        ]);
+        return json(['status' => 1]);
+    }
+}