feat(admin): 绑定订阅后回跳提示增强（attached_subscription + 滚动）

app/Http/Controllers/Admin/PlatformOrderController.php

@@ -664,6 +664,11 @@ class PlatformOrderController extends Controller
         ]);
 
         $safeBack = \App\Support\BackUrl::sanitizeForLinks((string) ($data['back'] ?? ''));
+        // 进一步稳妥：强制回跳到订单详情自身（避免外部页面传错 back，导致运营迷路）
+        $fallbackBack = '/admin/platform-orders/' . $order->id;
+        if ($safeBack === '') {
+            $safeBack = $fallbackBack;
+        }
 
         if ((string) ($order->order_type ?? '') !== 'renewal') {
             return ($safeBack !== '' ? redirect($safeBack) : redirect()->back())
@@ -710,7 +715,15 @@ class PlatformOrderController extends Controller
 
         $order->save();
 
-        return ($safeBack !== '' ? redirect($safeBack) : redirect()->back())
+        // 绑定成功后追加一个轻量 query，用于前端 JS 做滚动/高亮提示（渐进增强）
+        $redirectUrl = $safeBack;
+        if (str_contains($redirectUrl, '?')) {
+            $redirectUrl .= '&attached_subscription=1';
+        } else {
+            $redirectUrl .= '?attached_subscription=1';
+        }
+
+        return redirect($redirectUrl)
             ->with('success', '已绑定订阅：' . (string) ($sub->subscription_no ?? $sub->id));
     }
 

public/js/admin.js

@@ -12,6 +12,16 @@
         return (root || document).querySelector(sel);
     }
 
+    // 续费缺订阅治理：绑定成功后自动滚动到顶部提示区（让运营立刻看到 success/warning/error）
+    // 说明：由后端 redirect url 追加 attached_subscription=1 触发。
+    if (window.location && window.location.search && window.location.search.indexOf('attached_subscription=1') >= 0) {
+        try {
+            window.scrollTo({ top: 0, behavior: 'smooth' });
+        } catch (e) {
+            window.scrollTo(0, 0);
+        }
+    }
+
     // 续费缺订阅治理：订单详情页“绑定订阅ID”输入框，小交互增强：
     // - 输入后按 Enter 直接提交
     // - 自动聚焦，减少点击

tests/Feature/AdminPlatformOrderAttachSubscriptionRedirectShouldCarryAttachedSubscriptionFlagTest.php

@@ -0,0 +1,84 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Merchant;
+use App\Models\Plan;
+use App\Models\PlatformOrder;
+use App\Models\SiteSubscription;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminPlatformOrderAttachSubscriptionRedirectShouldCarryAttachedSubscriptionFlagTest extends TestCase
+{
+    use RefreshDatabase;
+
+    protected function loginAsPlatformAdmin(): void
+    {
+        $this->seed();
+
+        $this->post('/admin/login', [
+            'email' => 'platform.admin@demo.local',
+            'password' => 'Platform@123456',
+        ])->assertRedirect('/admin');
+    }
+
+    public function test_attach_subscription_should_redirect_to_order_show_with_attached_subscription_flag(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $merchant = Merchant::query()->firstOrFail();
+
+        $plan = Plan::query()->create([
+            'code' => 'po_attach_sub_redirect_flag_plan',
+            'name' => '绑定订阅回跳标记测试套餐',
+            'billing_cycle' => 'monthly',
+            'price' => 10,
+            'list_price' => 10,
+            'status' => 'active',
+            'sort' => 10,
+            'published_at' => now(),
+        ]);
+
+        $sub = SiteSubscription::query()->create([
+            'merchant_id' => $merchant->id,
+            'plan_id' => $plan->id,
+            'status' => 'active',
+            'source' => 'manual',
+            'subscription_no' => 'SS_ATTACH_REDIRECT_0001',
+            'plan_name' => $plan->name,
+            'billing_cycle' => $plan->billing_cycle,
+            'period_months' => 1,
+            'amount' => 10,
+            'starts_at' => now()->subDays(1),
+            'ends_at' => now()->addDays(10),
+            'snapshot' => [],
+            'meta' => [],
+        ]);
+
+        $order = PlatformOrder::query()->create([
+            'merchant_id' => $merchant->id,
+            'plan_id' => $plan->id,
+            'order_no' => 'PO_ATTACH_REDIRECT_0001',
+            'order_type' => 'renewal',
+            'site_subscription_id' => null,
+            'status' => 'pending',
+            'payment_status' => 'unpaid',
+            'plan_name' => $plan->name,
+            'billing_cycle' => $plan->billing_cycle,
+            'period_months' => 1,
+            'quantity' => 1,
+            'payable_amount' => 10,
+            'paid_amount' => 0,
+            'placed_at' => now()->subMinutes(10),
+            'meta' => [],
+        ]);
+
+        $res = $this->post('/admin/platform-orders/' . $order->id . '/attach-subscription', [
+            'site_subscription_id' => $sub->id,
+            // 故意不给 back：应回跳到订单详情自身，并携带 attached_subscription=1
+        ]);
+
+        $res->assertRedirect('/admin/platform-orders/' . $order->id . '?attached_subscription=1');
+    }
+}