docs(API): Swagger API 문서 업데이트

- AdminFcmApi, BillApi, ExpectedExpenseApi 개선
- PositionApi, ProcessApi, QuoteApi 개선
- ReceivablesApi, ShipmentApi, StockApi, VendorLedgerApi 개선

Co-Authored-By: Claude <noreply@anthropic.com>

app/Swagger/v1/ReceivablesApi.php

@@ -52,6 +52,7 @@
  *
  *         @OA\Items(type="integer", example=1)
  *     ),
+ *
  *     @OA\Property(
  *         property="categories",
  *         type="array",