diff --git a/.cursor/skills/abshode-domain-lookup/learned-notes.md b/.cursor/skills/abshode-domain-lookup/learned-notes.md
index 27ff1f5..b9cd63a 100644
--- a/.cursor/skills/abshode-domain-lookup/learned-notes.md
+++ b/.cursor/skills/abshode-domain-lookup/learned-notes.md
@@ -3,7 +3,7 @@
 فرمت هر خط:
 - YYYY-MM-DD | موضوع | مسیر فایل(ها) | نکتهٔ ۱ خطی
 
-- 2026-10-05 | شایگان حسابداری | `ConfigService::accountingProvider` همیشه shayegan + `ShayeganSyncService` | Ws: `2.180.4.172:2030` (عمومی) / `192.168.109.222:2030` (داخلی); SQL Config P-SERVER/CYPRSD04; ارسال وقتی mapping کامل باشد
+- 2026-10-28 | شایگان کالا/مشتری | `products.shayegan_item_number` + `ShayeganSyncService::registerCustomer` Account/Put + `ensureCustomerAccountNumber` | بانک 10001 و معین 12101 در settings؛ ItemNumber per-product
 - 2026-10-17 | لاگ ترافیک شایگان | `ShayeganClient::request` | `Log::info` با کلید `shayegan.http_request` / `shayegan.http_response`; رمز `***`; خاموش: setting `shayegan_log_traffic=0`
 - 2026-10-17 | گروه شایگان در تنظیمات پیشرفته | `settingGroups.resolveSettingMenu` + migration `2026_10_17_000001` | اگر `menu=misc` ولی کلید `shayegan_*` → گروه accounting_shayegan؛ نه «سایر»
 - 2026-10-19 | Auth وب‌سرویس شایگان | `shayegan_auth_user` / `shayegan_auth_password` | کاربر وب جدا از sa؛ Domain خالی باید JSON `{}` باشد نه `[]`
diff --git a/app/Http/Controllers/Admin/ProductController.php b/app/Http/Controllers/Admin/ProductController.php
index 30e1be5..6479f36 100644
--- a/app/Http/Controllers/Admin/ProductController.php
+++ b/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;
     }
 
diff --git a/app/Http/Controllers/Admin/ShayeganController.php b/app/Http/Controllers/Admin/ShayeganController.php
index 05cda9b..d6e4f92 100644
--- a/app/Http/Controllers/Admin/ShayeganController.php
+++ b/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')) {
diff --git a/app/Http/Controllers/Customer/CartController.php b/app/Http/Controllers/Customer/CartController.php
index de39f39..a21b3f5 100644
--- a/app/Http/Controllers/Customer/CartController.php
+++ b/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' => [
diff --git a/app/Models/Product.php b/app/Models/Product.php
index e02e42d..35e3852 100644
--- a/app/Models/Product.php
+++ b/app/Models/Product.php
@@ -33,6 +33,7 @@ class Product extends Model
     private static ?bool $karatColumnExists = null;
     private static ?bool $tvPriceFormulaColumnsExist = null;
     private static ?bool $priceFormulaColumnsExist = null;
+    private static ?bool $shayeganItemColumnExists = null;
 
     protected static function booted(): void
     {
@@ -104,9 +105,27 @@ class Product extends Model
                     $product->attributes['tv_price_formula']
                 );
             }
+            if (!static::hasShayeganItemColumn()) {
+                unset($product->attributes['shayegan_item_number']);
+            }
         });
     }
 
+    public static function hasShayeganItemColumn(): bool
+    {
+        if (static::$shayeganItemColumnExists !== null) {
+            return static::$shayeganItemColumnExists;
+        }
+
+        try {
+            static::$shayeganItemColumnExists = Schema::hasColumn((new static)->getTable(), 'shayegan_item_number');
+        } catch (\Throwable) {
+            static::$shayeganItemColumnExists = false;
+        }
+
+        return static::$shayeganItemColumnExists;
+    }
+
     public static function hasTvPriceFormulaColumns(): bool
     {
         if (static::$tvPriceFormulaColumnsExist !== null) {
@@ -497,6 +516,7 @@ class Product extends Model
         'unit',              // The unit of the item.
         'group_type',              // The unit of the item.
         'finance_p_name',    // کد کار زرین (idKar)
+        'shayegan_item_number', // ItemNumber در فاکتور شایگان
         'file_id',           // The ID of the associated file.
         'can_canceled',      // Whether the record can be canceled (boolean).
         'active',            // The active status of the record (boolean).
diff --git a/app/Observers/CustomerObserver.php b/app/Observers/CustomerObserver.php
index 189ebfd..8431b78 100644
--- a/app/Observers/CustomerObserver.php
+++ b/app/Observers/CustomerObserver.php
@@ -14,5 +14,6 @@ class CustomerObserver
         app(TahesabSyncService::class)->registerOnCreate($customer);
         app(ZarinSyncService::class)->registerOnCreate($customer);
         app(PargarSyncService::class)->registerOnCreate($customer);
+        app(\App\Services\ShayeganSyncService::class)->registerOnCreate($customer);
     }
 }
diff --git a/app/Services/ShayeganSyncService.php b/app/Services/ShayeganSyncService.php
index 8e07cf4..45c1852 100644
--- a/app/Services/ShayeganSyncService.php
+++ b/app/Services/ShayeganSyncService.php
@@ -3,6 +3,7 @@
 namespace App\Services;
 
 use App\Models\Customer;
+use App\Models\Product;
 use App\Models\Shayegan;
 use Illuminate\Support\Facades\Log;
 use Illuminate\Support\Facades\Schema;
@@ -50,8 +51,155 @@ class ShayeganSyncService
 
     public function tradeMappingReady(): bool
     {
-        return $this->config->getString('shayegan_item_copper', '') !== ''
-            && $this->config->getString('shayegan_stock_number', '') !== '';
+        return $this->config->getString('shayegan_stock_number', '') !== '';
+    }
+
+    public function customerMappingReady(): bool
+    {
+        return trim($this->config->getString('shayegan_moin_customer', '')) !== '';
+    }
+
+    public function registerOnCreate(Customer $customer): void
+    {
+        if (! empty($customer->moshtari_code) || ! $this->isSyncEnabled() || ! $this->customerMappingReady()) {
+            return;
+        }
+
+        $customerId = (int) $customer->id;
+
+        dispatch(function () use ($customerId) {
+            $service = app(self::class);
+            $customer = Customer::find($customerId);
+            if ($customer === null || ! empty($customer->moshtari_code) || ! $service->isSyncEnabled()) {
+                return;
+            }
+
+            try {
+                $result = $service->registerCustomer($customer);
+                if (! ($result['ok'] ?? false)) {
+                    Log::warning('shayegan.auto_register_on_create_failed', [
+                        'customer_id' => $customerId,
+                        'message' => $result['message'] ?? null,
+                    ]);
+                }
+            } catch (\Throwable $e) {
+                Log::warning('shayegan.auto_register_on_create_threw', [
+                    'customer_id' => $customerId,
+                    'error' => $e->getMessage(),
+                ]);
+            }
+        })->afterResponse();
+    }
+
+    /**
+     * @return array{ok:bool,message:string,moshtari_code?:string}
+     */
+    public function registerCustomer(Customer $customer): array
+    {
+        $customer->refresh();
+
+        if (! empty($customer->moshtari_code)) {
+            return [
+                'ok' => true,
+                'message' => 'مشتری قبلاً در شایگان ثبت شده است',
+                'moshtari_code' => (string) $customer->moshtari_code,
+            ];
+        }
+
+        if (! $this->isSyncEnabled()) {
+            return ['ok' => false, 'message' => 'حسابداری شایگان فعال نیست یا تنظیمات اتصال ناقص است'];
+        }
+
+        if (! $this->customerMappingReady()) {
+            return ['ok' => false, 'message' => 'شماره معین مشتریان (shayegan_moin_customer) در تنظیمات خالی است'];
+        }
+
+        $moinRaw = trim($this->config->getString('shayegan_moin_customer', ''));
+        $moinNumber = is_numeric($moinRaw) ? (int) $moinRaw : $moinRaw;
+        $name = trim((string) ($customer->name ?? ''));
+        if ($name === '') {
+            $name = 'مشتری ' . $customer->id;
+        }
+
+        $guid = (string) Str::uuid();
+        $put = [[
+            'MoinNumber' => $moinNumber,
+            'AccountTypeId' => null,
+            'AccountName' => mb_substr($name, 0, 200),
+            'Mobile' => trim((string) ($customer->mobile ?? '')) ?: null,
+            'mellicode' => trim((string) ($customer->n_code ?? '')) ?: null,
+            'GuId' => $guid,
+            'UpdateKind' => 3,
+        ]];
+
+        $result = $this->client->put('Account/Put', $put);
+        $accountNumber = trim((string) ($result['number'] ?? ''));
+
+        if (! empty($result['timeout'])) {
+            return ['ok' => false, 'message' => (string) ($result['message'] ?? 'timeout')];
+        }
+
+        if (empty($result['ok']) || $accountNumber === '') {
+            return [
+                'ok' => false,
+                'message' => (string) ($result['message'] ?? 'ثبت حساب مشتری در شایگان ناموفق بود'),
+            ];
+        }
+
+        $customer->moshtari_code = $accountNumber;
+        $customer->save();
+
+        $row = new Shayegan();
+        $row->customer_id = (int) $customer->id;
+        $row->order_id = null;
+        $row->withdraw_id = null;
+        $row->product_id = null;
+        $row->amount = null;
+        $row->desc = 'ثبت حساب مشتری';
+        $row->type = self::TYPE_CUSTOMER;
+        $row->date = now();
+        $row->endpoint = 'Account/Put';
+        $row->request_guid = $guid;
+        $row->shayegan_number = $accountNumber;
+        $row->shayegan_guid = $result['guid'] ?? null;
+        $row->sync_status = self::STATUS_SUCCESS;
+        $row->data = json_encode($this->client->redactPayload([
+            'Config' => $this->client->buildConfig(),
+            'PutObject' => $put,
+        ]), JSON_UNESCAPED_UNICODE);
+        $row->res = json_encode($result['body'] ?? [], JSON_UNESCAPED_UNICODE);
+        $row->save();
+
+        return [
+            'ok' => true,
+            'message' => 'حساب تفصیلی مشتری در شایگان ایجاد شد',
+            'moshtari_code' => $accountNumber,
+        ];
+    }
+
+    /**
+     * @param array<string, mixed> $data
+     */
+    public function resolveItemNumber(array $data): string
+    {
+        $productPayload = is_array($data['product'] ?? null) ? $data['product'] : [];
+        $fromPayload = trim((string) ($productPayload['shayegan_item_number'] ?? ''));
+        if ($fromPayload !== '') {
+            return $fromPayload;
+        }
+
+        $productId = (int) ($data['product_id'] ?? ($productPayload['id'] ?? 0));
+        if ($productId > 0 && Product::hasShayeganItemColumn()) {
+            $product = Product::query()->select('id', 'shayegan_item_number')->find($productId);
+            if ($product) {
+                $item = trim((string) ($product->shayegan_item_number ?? ''));
+                if ($item !== '') {
+                    return $item;
+                }
+            }
+        }
+
+        return trim($this->config->getString('shayegan_item_copper', ''));
     }
 
     public function cashMappingReady(): bool
@@ -92,15 +240,40 @@ class ShayeganSyncService
             return null;
         }
 
-        $existing = $this->findExisting(self::TYPE_TRADE, $orderId > 0 ? $orderId : null, null, $customerId);
+        $productId = (int) ($data['product_id'] ?? ($data['order']['product_id'] ?? 0));
+
+        $existing = $this->findExisting(
+            self::TYPE_TRADE,
+            $orderId > 0 ? $orderId : null,
+            null,
+            $customerId,
+            $productId > 0 ? $productId : null
+        );
         if ($existing && $this->shouldSkipSend($existing)) {
             return $existing;
         }
 
         $customer = Customer::find($customerId);
-        $accountNumber = $this->customerAccountNumber($customer);
+        $accountNumber = $this->ensureCustomerAccountNumber($customer);
         if ($accountNumber === '') {
-            return $this->markLocalFailed($existing, $customerId, $orderId, null, self::TYPE_TRADE, 'کد حساب مشتری در شایگان خالی است (moshtari_code).', null);
+            $msg = $this->customerMappingReady()
+                ? 'ثبت حساب تفصیلی مشتری در شایگان ناموفق بود.'
+                : 'کد حساب مشتری خالی است؛ shayegan_moin_customer را در تنظیمات پر کنید.';
+
+            return $this->markLocalFailed($existing, $customerId, $orderId, null, self::TYPE_TRADE, $msg, null);
+        }
+
+        $itemNumber = $this->resolveItemNumber($data);
+        if ($itemNumber === '') {
+            return $this->markLocalFailed(
+                $existing,
+                $customerId,
+                $orderId,
+                null,
+                self::TYPE_TRADE,
+                'کد کالای شایگان برای این محصول تنظیم نشده (محصول یا shayegan_item_copper).',
+                null
+            );
         }
 
         $isBuy = (int) ($data['direction'] ?? 0) === 1;
@@ -120,7 +293,7 @@ class ShayeganSyncService
             'Body' => [[
                 'STNumber' => $this->config->getString('shayegan_stock_number', ''),
                 'STGuId' => null,
-                'ItemNumber' => $this->config->getString('shayegan_item_copper', ''),
+                'ItemNumber' => $itemNumber,
                 'ItemGuId' => null,
                 'Quan' => $quan,
                 'Quan2' => null,
@@ -146,6 +319,9 @@ class ShayeganSyncService
         $row = $existing ?: new Shayegan();
         $row->customer_id = $customerId;
         $row->order_id = $orderId > 0 ? $orderId : null;
+        if (Schema::hasColumn('shayegan', 'product_id')) {
+            $row->product_id = $productId > 0 ? $productId : null;
+        }
         $row->withdraw_id = null;
         $row->amount = $this->scaleAmount((float) ($data['total'] ?? $data['total_price'] ?? ($quan * $price)));
         $row->desc = $put[0]['InvDescription'];
@@ -183,7 +359,7 @@ class ShayeganSyncService
         $customerId = (int) ($data['customer_id'] ?? 0);
         $withdrawId = isset($data['withdraw_id']) ? (int) $data['withdraw_id'] : null;
         $customer = Customer::find($customerId);
-        $accountNumber = $this->customerAccountNumber($customer);
+        $accountNumber = $this->ensureCustomerAccountNumber($customer);
         if ($accountNumber === '') {
             return null;
         }
@@ -269,7 +445,7 @@ class ShayeganSyncService
         $customerId = (int) ($data['customer_id'] ?? 0);
         $withdrawId = isset($data['withdraw_id']) ? (int) $data['withdraw_id'] : null;
         $customer = Customer::find($customerId);
-        $accountNumber = $this->customerAccountNumber($customer);
+        $accountNumber = $this->ensureCustomerAccountNumber($customer);
         if ($accountNumber === '') {
             return null;
         }
@@ -294,10 +470,14 @@ class ShayeganSyncService
                 return null;
             }
             $invTyp = $isDeposit ? self::INV_RECEIPT : self::INV_HAVALE;
+            $itemNumber = $this->resolveItemNumber($data);
+            if ($itemNumber === '') {
+                return null;
+            }
             $put = [[
                 'Body' => [[
                     'STNumber' => $this->config->getString('shayegan_stock_number', ''),
-                    'ItemNumber' => $this->config->getString('shayegan_item_copper', ''),
+                    'ItemNumber' => $itemNumber,
                     'Quan' => $quan,
                     'Price' => null,
                     'LineItemDesc' => $isDeposit ? 'واریز محصول' : 'برداشت محصول',
@@ -401,8 +581,13 @@ class ShayeganSyncService
         return false;
     }
 
-    private function findExisting(string $type, ?int $orderId, ?int $withdrawId, int $customerId): ?Shayegan
-    {
+    private function findExisting(
+        string $type,
+        ?int $orderId,
+        ?int $withdrawId,
+        int $customerId,
+        ?int $productId = null
+    ): ?Shayegan {
         if (! Schema::hasTable('shayegan')) {
             return null;
         }
@@ -414,6 +599,9 @@ class ShayeganSyncService
         if ($withdrawId) {
             $q->where('withdraw_id', $withdrawId);
         }
+        if ($productId && Schema::hasColumn('shayegan', 'product_id')) {
+            $q->where('product_id', $productId);
+        }
         if (! $orderId && ! $withdrawId) {
             return null;
         }
@@ -421,6 +609,32 @@ class ShayeganSyncService
         return $q->orderByDesc('id')->first();
     }
 
+    private function ensureCustomerAccountNumber(?Customer $customer): string
+    {
+        $code = $this->customerAccountNumber($customer);
+        if ($code !== '' || ! $customer) {
+            return $code;
+        }
+
+        if (! $this->customerMappingReady()) {
+            return '';
+        }
+
+        $result = $this->registerCustomer($customer);
+        if (! ($result['ok'] ?? false)) {
+            Log::info('shayegan.ensure_customer_failed', [
+                'customer_id' => $customer->id,
+                'message' => $result['message'] ?? null,
+            ]);
+
+            return '';
+        }
+
+        $customer->refresh();
+
+        return $this->customerAccountNumber($customer);
+    }
+
     private function customerAccountNumber(?Customer $customer): string
     {
         if (! $customer) {
diff --git a/database/migrations/2026_10_28_000001_shayegan_product_item_customer_sync.php b/database/migrations/2026_10_28_000001_shayegan_product_item_customer_sync.php
new file mode 100644
index 0000000..932d7c6
--- /dev/null
+++ b/database/migrations/2026_10_28_000001_shayegan_product_item_customer_sync.php
@@ -0,0 +1,73 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        if (Schema::hasTable('products') && ! Schema::hasColumn('products', 'shayegan_item_number')) {
+            Schema::table('products', function (Blueprint $table) {
+                $table->string('shayegan_item_number', 32)->nullable()->after('finance_p_name');
+            });
+        }
+
+        if (Schema::hasTable('shayegan') && ! Schema::hasColumn('shayegan', 'product_id')) {
+            Schema::table('shayegan', function (Blueprint $table) {
+                $table->unsignedBigInteger('product_id')->nullable()->after('order_id')->index();
+            });
+        }
+
+        if (! Schema::hasTable('settings')) {
+            return;
+        }
+
+        $this->insertSettingIfMissing('shayegan_kol_customer', [
+            'value' => '121',
+            'title_fa' => 'کد کل حساب دریافتنی مشتری (شایگان)',
+            'description' => 'طبق راهنمای حسابداری بورس مس: کل 121 — معین در shayegan_moin_customer (12101). فعلاً فقط مستند؛ Account/Put از MoinNumber استفاده می‌کند.',
+            'type' => 'text',
+            'menu' => 'accounting_shayegan',
+        ]);
+    }
+
+    public function down(): void
+    {
+        if (Schema::hasTable('products') && Schema::hasColumn('products', 'shayegan_item_number')) {
+            Schema::table('products', function (Blueprint $table) {
+                $table->dropColumn('shayegan_item_number');
+            });
+        }
+
+        if (Schema::hasTable('shayegan') && Schema::hasColumn('shayegan', 'product_id')) {
+            Schema::table('shayegan', function (Blueprint $table) {
+                $table->dropColumn('product_id');
+            });
+        }
+    }
+
+    /**
+     * @param array{value:string,title_fa:string,description:string,type:string,menu:string} $meta
+     */
+    private function insertSettingIfMissing(string $key, array $meta): void
+    {
+        $exists = DB::table('settings')->where('key', $key)->exists();
+        if ($exists) {
+            return;
+        }
+
+        DB::table('settings')->insert([
+            'key' => $key,
+            'value' => $meta['value'],
+            'title_fa' => $meta['title_fa'],
+            'description' => $meta['description'],
+            'type' => $meta['type'],
+            'menu' => $meta['menu'],
+            'created_at' => now(),
+            'updated_at' => now(),
+        ]);
+    }
+};
diff --git a/docs/shayegan/API_NOTES.md b/docs/shayegan/API_NOTES.md
index 76a780a..0f3a748 100644
--- a/docs/shayegan/API_NOTES.md
+++ b/docs/shayegan/API_NOTES.md
@@ -52,7 +52,7 @@ Auth: Shayegan cloud / Hesabgar / none (empty Auth*).
 | Health (read) | `POST .../api/Account/Get?RowStart=0&RowCount=1` |
 | Trade | `POST .../api/Invoice/Put` |
 | Rial ledger | `POST .../api/Document/Put` |
-| Customer account | `POST .../api/Account/Put` |
+Customer account | `POST .../api/Account/Put` — `MoinNumber` (e.g. 12101), `AccountName`, `UpdateKind: 3`; response `Number` = تفصیلی stored as `moshtari_code`.
 
 ## Put response (check even on HTTP 200)
 
diff --git a/routes/admin.php b/routes/admin.php
index 774d1e6..879531e 100644
--- a/routes/admin.php
+++ b/routes/admin.php
@@ -297,6 +297,7 @@ Route::middleware(['auth:user', 'admin.page'])->group(function (){
         Route::post('shayegan/table', [ShayeganController::class, 'table']);
         Route::get('shayegan/{id}', [ShayeganController::class, 'show']);
         Route::post('shayegan/{id}/retry', [ShayeganController::class, 'retrySanad']);
+        Route::post('customer/{id}/shayegan/register', [ShayeganController::class, 'registerCustomer']);
 
         Route::post('pargar/table', [PargarController::class, 'table']);
         Route::get('pargar/customer-sync/status', [PargarController::class, 'customerSyncStatus']);