功能：婚姻系统第8&10步（Controllers + Events + 路由）

- MarriageController：propose/accept/reject/divorce/confirmDivorce/status
- WeddingController：tiers/setup（立即触发）/claim/envelopeStatus
- 8个 WebSocket Events：
  Marriage{Proposed|Accepted|Rejected|Expired|Divorced|DivorceRequested}
  WeddingCelebration / EnvelopeClaimed
- 前台路由：marriage.* + wedding.*
- 后台路由：admin.marriages.*（superlevel 层）

app/Http/Controllers/Admin/MarriageManagerController.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace App\Http\Controllers\Admin;
+
+use App\Http\Controllers\Controller;
+
+class MarriageManagerController extends Controller
+{
+    //
+}