Prefill storefront creation from CRM won-deal links.

Decode CRM prefill tokens so payment storefronts open with deal label and product line items.

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

app/Http/Controllers/Merchant/StorefrontController.php

@@ -8,6 +8,7 @@ use App\Services\Qr\QrCodeManagerService;
 use App\Services\Qr\QrImageGeneratorService;
 use App\Services\Qr\QrPdfExporter;
 use App\Support\Qr\QrTypeCatalog;
+use App\Support\CrmPrefillCodec;
 use Illuminate\Http\RedirectResponse;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Storage;
@@ -50,7 +51,15 @@ class StorefrontController extends Controller
             $requestedType = QrCode::TYPE_SHOP;
         }
 
-        return view('merchant.storefronts.create', ['requestedType' => $requestedType]);
+        $prefill = CrmPrefillCodec::decode($request->query('prefill'));
+        if (($prefill['kind'] ?? null) === 'merchant_storefront' && ! empty($prefill['type'])) {
+            $requestedType = (string) $prefill['type'];
+        }
+
+        return view('merchant.storefronts.create', [
+            'requestedType' => $requestedType,
+            'prefill' => ($prefill['kind'] ?? null) === 'merchant_storefront' ? $prefill : null,
+        ]);
     }
 
     public function store(Request $request): RedirectResponse