curl --request GET \
  --url https://app.solya.app/api/supplier-return-plans/{id} \
  --header 'Authorization: Bearer <token>'

{
  "code": "SR-ADS-001",
  "creditAmount": null,
  "creditNoteRef": null,
  "creditedAt": null,
  "deadline": "2025-09-30",
  "description": "First return batch for Adidas FW25 overstocked units",
  "expectedCreditAmount": 1250,
  "id": "srp-uuid-001",
  "itemsQty": 18,
  "name": "Adidas FW25 Return Wave 1",
  "notes": null,
  "sentAt": "2025-09-15T10:30:00.000Z",
  "sourceShopId": "550e8400-e29b-41d4-a716-446655440020",
  "status": "SENT",
  "supplierId": "550e8400-e29b-41d4-a716-446655440010"
}