feat(shayegan): per-product item code and auto customer Account/Put

app/Http/Controllers/Admin/ProductController.php

@@ -979,6 +979,13 @@ class ProductController extends SuperController
             unset($data['cash_fee_buy_is_percent'], $data['cash_fee_sell_is_percent']);
         }
 
+        if (! Product::hasShayeganItemColumn()) {
+            unset($data['shayegan_item_number']);
+        } elseif (array_key_exists('shayegan_item_number', $data)) {
+            $item = trim((string) $data['shayegan_item_number']);
+            $data['shayegan_item_number'] = $item === '' ? null : $item;
+        }
+
         return $data;
     }
 

app/Http/Controllers/Admin/ShayeganController.php

@@ -62,6 +62,18 @@ class ShayeganController extends Controller
         return $this->sync->recordWalletGold($data);
     }
 
+    public function registerCustomer($customerId)
+    {
+        if (! app(\App\Services\ConfigService::class)->isShayeganAccounting()) {
+            return response()->json(['ok' => false, 'message' => 'حسابداری شایگان فعال نیست'], 422);
+        }
+
+        $customer = \App\Models\Customer::findOrFail($customerId);
+        $result = $this->sync->registerCustomer($customer);
+
+        return response()->json($result, ($result['ok'] ?? false) ? 200 : 422);
+    }
+
     public function table(Request $request)
     {
         if (! Schema::hasTable('shayegan')) {

app/Http/Controllers/Customer/CartController.php

@@ -421,6 +421,9 @@ class CartController extends Controller
                     'amount' => $product->amount,
                     'unit' => $product->unit,
                     'trade_by_quantity' => $product->trade_by_quantity,
+                    'shayegan_item_number' => Product::hasShayeganItemColumn()
+                        ? ($product->shayegan_item_number ?? null)
+                        : null,
                 ],
                 'line' => $lineIndex + 1,
                 'order' => [