平台订单详情：退款治理区块按 amounts.tolerance 口径触发并修复测试

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

@@ -68,16 +68,20 @@
     @php
         $paidAmountFloat = (float) ($order->paid_amount ?? 0);
 
+        $tol = (float) config('saasshop.amounts.tolerance', 0.01);
+        $tolCents = (int) round($tol * 100);
+        $tolCents = max(1, $tolCents);
+
         // 若订单疑似退款不一致：
-        // - 非 refunded 但退款总额已达/超已付 => 给出“可一键标记为已退款”的治理动作（不自动写回执）
+        // - 非 refunded 但退款总额已达/超已付 + 容差 => 给出“可一键标记为已退款”的治理动作（不自动写回执）
         $canMarkRefunded = $paidAmountFloat > 0
             && $order->payment_status !== 'refunded'
-            && round($refundTotal * 100) >= round($paidAmountFloat * 100);
+            && round($refundTotal * 100) >= (round($paidAmountFloat * 100) + $tolCents);
 
-        // - refunded 但退款总额不足 => 提供降级动作：标记为部分退款/已支付（仍不自动写回执）
+        // - refunded 但退款总额 + 容差 < 已付 => 提供降级动作：标记为部分退款/已支付（仍不自动写回执）
         $canFixRefundedButNotEnough = $paidAmountFloat > 0
             && $order->payment_status === 'refunded'
-            && (round($refundTotal * 100) + 1) < round($paidAmountFloat * 100);
+            && (round($refundTotal * 100) + $tolCents) < round($paidAmountFloat * 100);
 
         // 统一口径：与 refund_inconsistent 筛选一致（模型方法）
         $isRefundInconsistent = (bool) $order->isRefundInconsistent();

tests/Feature/AdminPlatformOrderShowRefundGovernanceBlockLinkTest.php

@@ -57,7 +57,7 @@ class AdminPlatformOrderShowRefundGovernanceBlockLinkTest extends TestCase
             'meta' => [
                 'refund_summary' => [
                     'count' => 1,
-                    'total_amount' => 10.00,
+                    'total_amount' => 10.01,
                 ],
             ],
         ]);

tests/Feature/AdminPlatformOrderShowRefundGovernanceBlockNoteTest.php

@@ -57,7 +57,7 @@ class AdminPlatformOrderShowRefundGovernanceBlockNoteTest extends TestCase
             'meta' => [
                 'refund_summary' => [
                     'count' => 1,
-                    'total_amount' => 10.00,
+                    'total_amount' => 10.01,
                 ],
             ],
         ]);

tests/Feature/AdminPlatformOrderShowRefundGovernanceBlockTest.php

@@ -57,7 +57,7 @@ class AdminPlatformOrderShowRefundGovernanceBlockTest extends TestCase
             'meta' => [
                 'refund_summary' => [
                     'count' => 1,
-                    'total_amount' => 10.00,
+                    'total_amount' => 10.01,
                 ],
             ],
         ]);