June 12, 2026: Return ED visits following an inpatient discharge now create a new Transition of Care

When a patient is discharged from an inpatient stay and later returns to the ED, that return visit is now treated as a new Transition of Care rather than being grouped into the original episode.

Previously, an ED encounter occurring after an inpatient discharge could be pulled into the existing EpisodeOfCare if it fell within the grouping window. This caused the return visit to be invisible — no new admission alert fired, and the original EpisodeOfCare.status remained finished rather than surfacing a new active episode. Customers monitoring for readmissions or ED returns would miss the event entirely.

After this change, when a new EMER-class encounter begins after the last encounter in the prior episode has ended and a discharge signal (ADT or discharge disposition) exists, a separate EpisodeOfCare is created for the return visit. The original episode is preserved as-is.

What changes:
- A new EpisodeOfCare is created for the return ED visit, with its own id and status: active
- The prior EpisodeOfCare is unchanged — it remains finished with its original encounters intact
- Customers consuming via ZusHooks will receive a new webhook event for the new EpisodeOfCare