ui: reconcile mismatch summary link keeps filters

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

@@ -207,7 +207,7 @@
         <div class="metric-number">¥{{ number_format($delta, 2) }}</div>
         <div class="muted muted-xs">{{ $summaryStats['reconciliation_delta_note'] ?? '回执总额 - 订单已付总额' }}（当前筛选范围）</div>
         <div class="muted muted-xs">对账不一致订单：
-            <a class="link" href="/admin/platform-orders?reconcile_mismatch=1">{{ $summaryStats['reconcile_mismatch_orders'] ?? 0 }}</a>
+            <a class="link" href="{{ request()->fullUrlWithQuery(['reconcile_mismatch' => '1', 'page' => null]) }}">{{ $summaryStats['reconcile_mismatch_orders'] ?? 0 }}</a>
         </div>
         @if(abs($delta) >= 0.01)
             <div class="muted text-danger mt-6">提示：差额非 0，可能存在回执金额与订单金额不一致的订单。</div>

tests/Feature/AdminPlatformOrderReconcileMismatchSummaryCardLinkTest.php

@@ -0,0 +1,75 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Merchant;
+use App\Models\Plan;
+use App\Models\PlatformOrder;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminPlatformOrderReconcileMismatchSummaryCardLinkTest 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_summary_card_reconcile_mismatch_orders_link_keeps_filters_and_clears_page(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $merchant = Merchant::query()->firstOrFail();
+        $plan = Plan::query()->create([
+            'code' => 'reconcile_mismatch_summary_link_01',
+            'name' => '对账不一致摘要卡链接测试套餐',
+            'billing_cycle' => 'monthly',
+            'price' => 10,
+            'list_price' => 10,
+            'status' => 'active',
+            'sort' => 10,
+            'published_at' => now(),
+        ]);
+
+        // 构造一个对账不一致订单
+        PlatformOrder::query()->create([
+            'merchant_id' => $merchant->id,
+            'plan_id' => $plan->id,
+            'order_no' => 'PO_RECON_SUMMARY_LINK_0001',
+            'order_type' => 'new_purchase',
+            'status' => 'activated',
+            '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(),
+            'activated_at' => now(),
+            'meta' => [
+                'payment_summary' => [
+                    'count' => 1,
+                    'total_amount' => 9.99,
+                ],
+            ],
+        ]);
+
+        $url = '/admin/platform-orders?plan_id=' . $plan->id . '&page=2';
+
+        // 期望链接保留 plan_id，并清空 page（回到第一页）
+        $this->get($url)
+            ->assertOk()
+            ->assertSee('reconcile_mismatch=1', false)
+            ->assertSee('plan_id=' . $plan->id, false)
+            ->assertDontSee('page=2', false);
+    }
+}