Add unit test for reconcile mismatch when no receipt evidence

tests/Unit/PlatformOrderReconcileMismatchTest.php

@@ -55,6 +55,46 @@ class PlatformOrderReconcileMismatchTest extends TestCase
         $this->assertTrue($order->isReconcileMismatch());
     }
 
+    public function test_is_reconcile_mismatch_returns_false_when_no_receipt_evidence(): void
+    {
+        $merchant = Merchant::query()->create([
+            'name' => '单测站点_reconcile_none',
+            'slug' => 'unit-test-merchant-reconcile-none',
+            'status' => 'active',
+        ]);
+
+        $plan = Plan::query()->create([
+            'code' => 'unit_test_plan_reconcile_none',
+            'name' => '单测套餐_reconcile_none',
+            'billing_cycle' => 'monthly',
+            'price' => 10,
+            'list_price' => 10,
+            'status' => 'active',
+            'sort' => 10,
+            'published_at' => now(),
+        ]);
+
+        // 无 payment_summary/payment_receipts：不应判定为对账不一致
+        $order = PlatformOrder::query()->create([
+            'merchant_id' => $merchant->id,
+            'plan_id' => $plan->id,
+            'order_no' => 'PO_UNIT_RECONCILE_NONE_0001',
+            'order_type' => 'subscription',
+            'status' => 'activated',
+            'payment_status' => 'paid',
+            'plan_name' => 'Unit Test Plan',
+            'billing_cycle' => 'monthly',
+            'period_months' => 1,
+            'quantity' => 1,
+            'payable_amount' => 10,
+            'paid_amount' => 10,
+            'placed_at' => now(),
+            'meta' => [],
+        ]);
+
+        $this->assertFalse($order->isReconcileMismatch());
+    }
+
     public function test_is_reconcile_mismatch_returns_false_when_receipt_total_equals_paid_amount(): void
     {
         $merchant = Merchant::query()->create([