Harkamal Randhawa a0c782f4cc Fix backend business logic and remove hardcoded IDs ...

- Add customerId to SaleRequest DTO
- Update SaleService to use AuthenticationHelper for employee attribution
- Populate sale.customer when customerId provided in request
- Fix AdoptionController to use authenticated customer instead of hardcoded ID 1
- Fix AppointmentController to use authenticated customer instead of hardcoded ID 1
- Fix RefundController to use authenticated customer instead of hardcoded ID 1
- Update data.sql sales to include customer linkage for refund testing
- Update Postman collection sale creation with customerId and items

2026-03-08 21:58:50 -06:00

57 KiB

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