平台订单详情：对账/退款不一致列表链接携带 back 并防嵌套

resources/views/admin/platform_orders/show.blade.php

@@ -110,7 +110,13 @@
             <div class="muted muted-xs refund-governance-meta">已付：¥{{ number_format($paidAmountFloat, 2) }}｜退款总额：¥{{ number_format($refundTotal, 2) }}</div>
             <div class="muted muted-xs refund-governance-meta">操作说明：该区块仅用于修正支付状态展示口径，不会改金额、不生成退款记录；请先核对退款轨迹。</div>
             <div class="muted muted-xs refund-governance-meta">
-                <a class="link" href="/admin/platform-orders?refund_inconsistent=1">查看全部退款不一致订单</a>
+                @php
+                $refundInconsistentListUrl = '/admin/platform-orders?' . \Illuminate\Support\Arr::query([
+                    'refund_inconsistent' => 1,
+                    'back' => $orderShowSelf,
+                ]);
+            @endphp
+            <a class="link" href="{!! $refundInconsistentListUrl !!}">查看全部退款不一致订单</a>
             </div>
 
             @if($canMarkRefunded)
@@ -320,7 +326,13 @@
             <span class="muted">｜</span>
             <a class="link" href="#add-payment-receipt">去补一条支付回执</a>
             <span class="muted">｜</span>
-            <a class="link" href="/admin/platform-orders?reconcile_mismatch=1">查看全部对账不一致订单</a>
+            @php
+                $reconcileMismatchListUrl = '/admin/platform-orders?' . \Illuminate\Support\Arr::query([
+                    'reconcile_mismatch' => 1,
+                    'back' => $orderShowSelf,
+                ]);
+            @endphp
+            <a class="link" href="{!! $reconcileMismatchListUrl !!}">查看全部对账不一致订单</a>
         </div>
     @endif
 
@@ -391,7 +403,13 @@
         <div class="muted text-danger" style="margin-top:10px;">
             提示：该订单疑似存在「退款状态 vs 退款总额」不一致（按容差口径），建议核对退款轨迹、已付金额与支付状态。
             <span class="muted">｜</span>
-            <a class="link" href="/admin/platform-orders?refund_inconsistent=1">查看全部退款不一致订单</a>
+            @php
+                $refundInconsistentListUrl = '/admin/platform-orders?' . \Illuminate\Support\Arr::query([
+                    'refund_inconsistent' => 1,
+                    'back' => $orderShowSelf,
+                ]);
+            @endphp
+            <a class="link" href="{!! $refundInconsistentListUrl !!}">查看全部退款不一致订单</a>
         </div>
     @endif
 

tests/Feature/AdminPlatformOrderShowReconcileRefundInconsistentListLinksContainBackTest.php

@@ -0,0 +1,97 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Merchant;
+use App\Models\Plan;
+use App\Models\PlatformOrder;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Arr;
+use Tests\TestCase;
+
+class AdminPlatformOrderShowReconcileRefundInconsistentListLinksContainBackTest 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_show_page_list_links_should_carry_back_to_order_show_self_without_nested_back(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $merchant = Merchant::query()->firstOrFail();
+        $plan = Plan::query()->create([
+            'code' => 'po_show_reconcile_refund_list_back_plan',
+            'name' => '平台订单详情对账/退款不一致列表 back 链接测试套餐',
+            'billing_cycle' => 'monthly',
+            'price' => 10,
+            'list_price' => 10,
+            'status' => 'active',
+            'sort' => 10,
+            'published_at' => now(),
+        ]);
+
+        // 造一个“对账不一致”的订单：receipt_total(9) vs paid_amount(10)
+        $order = PlatformOrder::query()->create([
+            'merchant_id' => $merchant->id,
+            'plan_id' => $plan->id,
+            'order_no' => 'PO_SHOW_LIST_BACK_0001',
+            'order_type' => 'new_purchase',
+            'status' => 'pending',
+            'payment_status' => 'paid',
+            'plan_name' => $plan->name,
+            'billing_cycle' => $plan->billing_cycle,
+            'period_months' => 1,
+            'quantity' => 1,
+            'payable_amount' => 10,
+            'paid_amount' => 10,
+            'placed_at' => now(),
+            'paid_at' => now(),
+            'meta' => [
+                'payment_summary' => ['count' => 1, 'total' => 9],
+                'payment_receipts' => [
+                    ['amount' => 9, 'paid_at' => now()->toDateTimeString(), 'channel' => 'offline', 'note' => 'test'],
+                ],
+                // 同时造一个“退款不一致”态：payment_status=refunded 但退款总额不足
+                'refund_summary' => ['count' => 1, 'total' => 1],
+                'refund_receipts' => [
+                    ['amount' => 1, 'refunded_at' => now()->toDateTimeString(), 'channel' => 'offline', 'note' => 'test'],
+                ],
+            ],
+        ]);
+
+        // 为了触发退款不一致提示：将状态改为 refunded
+        $order->update(['payment_status' => 'refunded']);
+
+        // 模拟从列表进入详情页（带 back）
+        $res = $this->get('/admin/platform-orders/' . $order->id . '?back=' . urlencode('/admin/platform-orders?status=pending'));
+        $res->assertOk();
+
+        // 详情页自身（去掉 back）
+        $expectedOrderShowSelf = '/admin/platform-orders/' . $order->id;
+
+        $expectedReconcileUrl = '/admin/platform-orders?' . Arr::query([
+            'reconcile_mismatch' => 1,
+            'back' => $expectedOrderShowSelf,
+        ]);
+
+        $expectedRefundUrl = '/admin/platform-orders?' . Arr::query([
+            'refund_inconsistent' => 1,
+            'back' => $expectedOrderShowSelf,
+        ]);
+
+        $res->assertSee($expectedReconcileUrl, false);
+        $res->assertSee($expectedRefundUrl, false);
+
+        // 不允许 back 嵌套
+        $res->assertDontSee('back%3D', false);
+    }
+}