Importing a backup wrote the alarm/vacation/exception block straight to
SharedPreferences but never told EstadoAlarmas about it, so the UI kept
showing the pre-import alarms, a later edit could persist that stale
state back over the imported one, and imported alarms were never
(re)scheduled with the Android native layer. The backup screen now
calls EstadoAlarmas.cargarPersistidasSinRecalcular() followed by
refrescarProgramacion() after a successful import, extracted into a
directly-testable aplicarImportacionConfig() function.
FreeTLab
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