Hola Matías.
Puede ser un posible caso el que mencionas pero no es así porque son dos escenarios diferente con el mismo curso transcurrido luego de una anulación aprobada, primero nos enfocaremos en el más avanzado, el que realiza la devolución desde SQ, como mencione el proceso de devolución quedo aprobada pero no se concreto la devolución desde MP ya que en las cuentas comprador y vendedor no muestra la devolución, viendo los logs de GCO se detecto lo siguiente:
Logs de GCO - Inscripción desde autogestión con MP - proceso de devolución desde Académico.
[2024-08-30T16:47:53.863581-03:00] SQ-GCO.DEBUG: < 200 [] []
[2024-08-30T16:47:54.002509-03:00] SQ-GCO.DEBUG: < 200 [] []
[2024-08-30T16:47:54.080866-03:00] SQ-GCO.DEBUG: < 200 [] []
[2024-08-30T16:47:54.621837-03:00] SQ-GCO.INFO: Matched route "{route}". {"route":"OPTIONS_anything","route_parameters":{"_controller":{"Closure":[]},"anything":"portal/medios_pago/4","_route":"OPTIONS_anything"},"request_uri":"https://sanaviron-gcoprueba.unpaz.edu.ar/sq_pagos_backend/portal/medios_pago/4","method":"OPTIONS"} []
[2024-08-30T16:47:54.622416-03:00] SQ-GCO.DEBUG: > OPTIONS /sq_pagos_backend/portal/medios_pago/4 [] []
[2024-08-30T16:47:54.623266-03:00] SQ-GCO.DEBUG: < 204 [] []
[2024-08-30T16:47:54.627109-03:00] SQ-GCO.INFO: Matched route "{route}". {"route":"OPTIONS_anything","route_parameters":{"_controller":{"Closure":[]},"anything":"portal/validar_token","_route":"OPTIONS_anything"},"request_uri":"https://sanaviron-gcoprueba.unpaz.edu.ar/sq_pagos_backend/portal/validar_token","method":"OPTIONS"} []
[2024-08-30T16:47:54.627592-03:00] SQ-GCO.DEBUG: > OPTIONS /sq_pagos_backend/portal/validar_token [] []
[2024-08-30T16:47:54.632327-03:00] SQ-GCO.DEBUG: < 204 [] []
[2024-08-30T16:47:55.129592-03:00] SQ-GCO.INFO: Matched route "{route}". {"route":"GET_portal_validar_token","route_parameters":{"_controller":"portal:validar_token","_route":"GET_portal_validar_token"},"request_uri":"https://sanaviron-gcoprueba.unpaz.edu.ar/sq_pagos_backend/portal/validar_token","method":"GET"} []
[2024-08-30T16:47:55.130366-03:00] SQ-GCO.DEBUG: > GET /sq_pagos_backend/portal/validar_token [] []
[2024-08-30T16:47:55.130820-03:00] SQ-GCO.INFO: Validar token: eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzUxMiJ9.eyJ0aXBvX2RvY3VtZW50byI6MCwibnVtZXJvX2RvY3VtZW50byI6IjM4OTkyNTE3IiwiaWF0IjoxNzI1MDQ3MjA5LCJleHAiOjE3MjUwNDc1MDl9.jNX3c2Dd5R_ngK2xV111u7ZG4c7GdohB-fRM2qPYHv_FsMTFQvB89DYpl6HwnR2_elRKpMq5HBUxbOZ3dI-YPA [] []
[2024-08-30T16:47:55.132017-03:00] SQ-GCO.INFO: Validar token: eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzUxMiJ9.eyJ0aXBvX2RvY3VtZW50byI6MCwibnVtZXJvX2RvY3VtZW50byI6IjM4OTkyNTE3IiwiaWF0IjoxNzI1MDQ3MjA5LCJleHAiOjE3MjUwNDc1MDl9.jNX3c2Dd5R_ngK2xV111u7ZG4c7GdohB-fRM2qPYHv_FsMTFQvB89DYpl6HwnR2_elRKpMq5HBUxbOZ3dI-YPA [] []
[2024-08-30T16:47:55.132490-03:00] SQ-GCO.DEBUG: < 200 [] []
[2024-08-30T16:47:55.138155-03:00] SQ-GCO.INFO: Matched route "{route}". {"route":"GET_portal_medios_pago_id_servicio_instancia","route_parameters":{"_controller":"portal:get_medios_pago","id_servicio_instancia":"4","_route":"GET_portal_medios_pago_id_servicio_instancia"},"request_uri":"https://sanaviron-gcoprueba.unpaz.edu.ar/sq_pagos_backend/portal/medios_pago/4","method":"GET"} []
[2024-08-30T16:47:55.138524-03:00] SQ-GCO.DEBUG: > GET /sq_pagos_backend/portal/medios_pago/4 [] []
[2024-08-30T16:47:55.138830-03:00] SQ-GCO.INFO: Validar token: eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzUxMiJ9.eyJ0aXBvX2RvY3VtZW50byI6MCwibnVtZXJvX2RvY3VtZW50byI6IjM4OTkyNTE3IiwiaWF0IjoxNzI1MDQ3MjA5LCJleHAiOjE3MjUwNDc1MDl9.jNX3c2Dd5R_ngK2xV111u7ZG4c7GdohB-fRM2qPYHv_FsMTFQvB89DYpl6HwnR2_elRKpMq5HBUxbOZ3dI-YPA [] []
[2024-08-30T16:47:55.330700-03:00] SQ-GCO.DEBUG: < 200 [] []
[2024-08-30T16:48:47.622723-03:00] SQ-GCO.INFO: Matched route "{route}". {"route":"POST_notifications_notification","route_parameters":{"_controller":"notification:post_notification","_route":"POST_notifications_notification"},"request_uri":"https://sanaviron-gcoprueba.unpaz.edu.ar/sq_pagos_backend/notifications/notification?data_id=86267641585&gestor=MP&type=payment","method":"POST"} []
[2024-08-30T16:48:47.628218-03:00] SQ-GCO.DEBUG: > POST /sq_pagos_backend/notifications/notification?data.id=86267641585&gestor=MP&type=payment [] []
[2024-08-30T16:48:47.826095-03:00] SQ-GCO.NOTICE: Mercado Pago Notificación: Payment ID: 86267641585 status: approved external_reference: e46e52fd-5226-45a3-9117-2729c417afc2 [] []
[2024-08-30T16:48:47.958778-03:00] SQ-GCO.INFO: Matched route "{route}". {"route":"POST_notifications_notification","route_parameters":{"_controller":"notification:post_notification","_route":"POST_notifications_notification"},"request_uri":"https://sanaviron-gcoprueba.unpaz.edu.ar/sq_pagos_backend/notifications/notification?gestor=MP&id=22303678412&topic=merchant_order","method":"POST"} []
[2024-08-30T16:48:47.959258-03:00] SQ-GCO.DEBUG: > POST /sq_pagos_backend/notifications/notification?gestor=MP&id=22303678412&topic=merchant_order [] []
[2024-08-30T16:48:48.140721-03:00] SQ-GCO.NOTICE: Mercado Pago Notificación: Merchant_order ID: 22303678412 external_reference: e46e52fd-5226-45a3-9117-2729c417afc2. [] []
[2024-08-30T16:48:48.206963-03:00] SQ-GCO.INFO: La venta con ID: 11 ya tiene una cobranza generada. [] []
[2024-08-30T16:48:48.207289-03:00] SQ-GCO.DEBUG: < 200 [] []
[2024-08-30T16:48:48.455936-03:00] SQ-GCO.DEBUG: < 500 [] []
[2024-08-30T16:48:49.843925-03:00] SQ-GCO.INFO: Matched route "{route}". {"route":"POST_notifications_notification","route_parameters":{"_controller":"notification:post_notification","_route":"POST_notifications_notification"},"request_uri":"https://sanaviron-gcoprueba.unpaz.edu.ar/sq_pagos_backend/notifications/notification?gestor=MP&id=22303678412&topic=merchant_order","method":"POST"} []
[2024-08-30T16:48:49.844509-03:00] SQ-GCO.DEBUG: > POST /sq_pagos_backend/notifications/notification?gestor=MP&id=22303678412&topic=merchant_order [] []
[2024-08-30T16:48:50.034368-03:00] SQ-GCO.NOTICE: Mercado Pago Notificación: Merchant_order ID: 22303678412 external_reference: e46e52fd-5226-45a3-9117-2729c417afc2. [] []
[2024-08-30T16:48:50.377671-03:00] SQ-GCO.DEBUG: < 500 [] []
[2024-08-30T16:51:30.185613-03:00] SQ-GCO.INFO: Matched route "{route}". {"route":"GET_mercado_pago_payment_id","route_parameters":{"_controller":"mercado_pago:payment","id":"86267641585","_route":"GET_mercado_pago_payment_id"},"request_uri":"https://sanaviron-gcoprueba.unpaz.edu.ar/sq_pagos_backend/mercado_pago/payment/86267641585","method":"GET"} []
[2024-08-30T16:51:30.187221-03:00] SQ-GCO.DEBUG: > GET /sq_pagos_backend/mercado_pago/payment/86267641585 [] []
[2024-08-30T16:51:30.387467-03:00] SQ-GCO.DEBUG: < 200 [] []
[2024-08-30T16:51:30.872398-03:00] SQ-GCO.INFO: Matched route "{route}". {"route":"PUT_mercado_pago_devolver_payment_payment_id","route_parameters":{"_controller":"mercado_pago:devolver_payment","payment_id":"86267641585","_route":"PUT_mercado_pago_devolver_payment_payment_id"},"request_uri":"https://sanaviron-gcoprueba.unpaz.edu.ar/sq_pagos_backend/mercado_pago/devolver_payment/86267641585","method":"PUT"} []
[2024-08-30T16:51:30.872850-03:00] SQ-GCO.DEBUG: > PUT /sq_pagos_backend/mercado_pago/devolver_payment/86267641585 [] []
[2024-08-30T16:51:31.334744-03:00] SQ-GCO.DEBUG: < 200 [] []
Comprador MP

Vendedor MP

Cualquier avance que encuentre lo comparto.
Quedo al tanto a cualquier aporte.
Saludos!