Resolve VSN-2282 "Fix/Circuit Avenant: Subject Field, Objects Saving & Schedule History Status" (!256) · Requêtes de fusion · adanev / vsn / vsn-circuit-service

Oussama Toumi a demandé de fusionner feature/VSN-2282 vers develop fév. 26, 2026

- Fix attribute retrieval using `subject` instead of `observation` in avenant object for circuit avenants

- Add saving of avenant objects during circuit avenant creation across different cases

- Fix circuit status in schedule history

Resolve VSN-2282 "Fix/Circuit Avenant: Subject Field, Objects Saving & Schedule History Status"