platform orders: bmpa receipt mismatch safety valve uses configured tolerance

app/Http/Controllers/Admin/PlatformOrderController.php

@@ -1240,7 +1240,11 @@ class PlatformOrderController extends Controller
                     $receiptCents = (int) round($receiptTotal * 100);
                     $expectedCents = (int) round($expectedPaid * 100);
 
-                    if (abs($receiptCents - $expectedCents) >= 1) {
+                    $tol = (float) config('saasshop.amounts.tolerance', 0.01);
+                    $tolCents = (int) round($tol * 100);
+                    $tolCents = max(1, $tolCents);
+
+                    if (abs($receiptCents - $expectedCents) >= $tolCents) {
                         throw new \InvalidArgumentException('订单回执总额与应付金额不一致，不允许批量推进，请先修正回执/金额后再处理。');
                     }
                 }