Admin subscriptions: add expiring 7d merchant top10 reminder list

app/Http/Controllers/Admin/SiteSubscriptionController.php

@@ -332,6 +332,30 @@ class SiteSubscriptionController extends Controller
 
         $baseQuery = $this->applyFilters(SiteSubscription::query(), $filters);
 
+        $expiryMerchantRows = [];
+        if ((string) ($filters['expiry'] ?? '') === 'expiring_7d') {
+            // 到期提醒清单：站点维度 Top10（用于运营快速触达/续费跟进）
+            $expiryMerchantRows = $this->applyFilters(SiteSubscription::query(), $filters)
+                ->leftJoin('merchants', 'site_subscriptions.merchant_id', '=', 'merchants.id')
+                ->whereNotNull('site_subscriptions.ends_at')
+                ->selectRaw('site_subscriptions.merchant_id as merchant_id, merchants.name as merchant_name, count(*) as cnt, min(site_subscriptions.ends_at) as min_ends_at')
+                ->groupBy('site_subscriptions.merchant_id', 'merchants.name')
+                ->orderByDesc('cnt')
+                ->orderBy('min_ends_at')
+                ->limit(10)
+                ->get()
+                ->map(function ($row) {
+                    return [
+                        'merchant_id' => (int) ($row->merchant_id ?? 0),
+                        'merchant_name' => (string) ($row->merchant_name ?? ''),
+                        'count' => (int) ($row->cnt ?? 0),
+                        'min_ends_at' => (string) ($row->min_ends_at ?? ''),
+                    ];
+                })
+                ->values()
+                ->all();
+        }
+
         return view('admin.site_subscriptions.index', [
             'subscriptions' => $subscriptions,
             'filters' => $filters,
@@ -357,6 +381,7 @@ class SiteSubscriptionController extends Controller
                     ->where('ends_at', '<', now()->addDays(7))
                     ->count(),
             ],
+            'expiryMerchantRows' => $expiryMerchantRows,
         ]);
     }