Widen order price columns so current gold rial quotes persist.

Gold gram prices now exceed the old DECIMAL/INT range and MySQL 1264 aborted buys; store money fields as DECIMAL(20,4) and hide the raw SQL error from the app.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/Http/Controllers/Single/SingleOrderController.php

@@ -1801,6 +1801,30 @@ class SingleOrderController extends Controller
             $data['_fee_uses_app_price'],
             $data['_fee_base_price']
         );
+
+        $this->roundOrderMoneyFields($data);
+    }
+
+    /** اعداد پولی سفارش را قبل از INSERT گرد کن تا با DECIMAL(20,4) سازگار باشد. */
+    private function roundOrderMoneyFields(array &$data): void
+    {
+        foreach ([
+            'price',
+            'price_original',
+            'total_price',
+            'total_price_original',
+            'total_price_liman',
+            'fee',
+            'total_fee',
+            'service_charge_price',
+            'payment_amount',
+            'payment_remind',
+        ] as $key) {
+            if (!isset($data[$key]) || !is_numeric($data[$key])) {
+                continue;
+            }
+            $data[$key] = round((float) $data[$key], 4);
+        }
     }
 
     private function bonusGift($customer, $referrer)