修复：结婚弹窗及公屏公告显示 undefined 的问题，对齐后端事件字段名 user.username/partner.username

resources/views/chat/partials/marriage-modals.blade.php

@@ -167,8 +167,12 @@
                         <button x-on:click="doPropose()"
                             :disabled="sending || !selectedRing || rings.length === 0 || !canAfford"
                             style="flex:1; padding:10px 0; border-radius:8px; font-size:13px; font-weight:bold; border:none; transition:all .2s;"
-                            :style="(sending || !selectedRing || rings.length === 0 || !canAfford) ? { background: '#f1f5f9',
-                                color: '#94a3b8', cursor: 'not-allowed', boxShadow: 'none' } : {
+                            :style="(sending || !selectedRing || rings.length === 0 || !canAfford) ? {
+                                background: '#f1f5f9',
+                                color: '#94a3b8',
+                                cursor: 'not-allowed',
+                                boxShadow: 'none'
+                            } : {
                                 background: 'linear-gradient(135deg,#be185d,#f43f5e,#ec4899)',
                                 color: '#fff',
                                 cursor: 'pointer',
@@ -661,11 +665,13 @@
 
             open(detail) {
                 this.marriageId = detail.marriage_id;
-                this.announcement = `${detail.groom_name} 与 ${detail.bride_name} 喜结连理！`;
+                const groomName = detail.user?.username ?? detail.groom_name ?? '??';
+                const brideName = detail.partner?.username ?? detail.bride_name ?? '??';
+                this.announcement = `${groomName} 与 ${brideName} 喜结连理！`;
                 this.subText = detail.message || '愿百年好合，白头偕老！';
                 // 仅当前用户是新婚双方之一时显示举办婚礼按钮
                 const me = window.chatContext.username;
-                this.isNewlywed = (detail.groom_name === me || detail.bride_name === me);
+                this.isNewlywed = (groomName === me || brideName === me);
                 this.show = true;
                 // 播放烟花特效
                 if (window.EffectManager) {
@@ -974,13 +980,11 @@
 
     /** 结婚/离婚全局公告：在聊天消息区追加一条系统消息 */
     window.addEventListener('chat:marriage-accepted', (e) => {
-        const {
-            groom_name,
-            bride_name,
-            message
-        } = e.detail;
+        const detail = e.detail;
+        const groomName = detail.user?.username ?? detail.groom_name ?? '??';
+        const brideName = detail.partner?.username ?? detail.bride_name ?? '??';
         if (typeof appendSystemMessage === 'function') {
-            appendSystemMessage(`💑 ${groom_name} 与 ${bride_name} 喜结连理！${message || ''}`);
+            appendSystemMessage(`💑 ${groomName} 与 ${brideName} 喜结连理！`);
         }
     });
     window.addEventListener('chat:marriage-divorced', (e) => {