=== SCENARIO A — THE HUB'S OWN RECORDS (not the controller's) ===

-- 1. the STORED event: severity as the hub filed it --
customer_id  event_type        severity  message                                   created_at         
-----------  ----------------  --------  ----------------------------------------  -------------------
demo-hp      app_start_failed  warning   Telepített alkalmazás nem fut: BookStack  2026-08-23 09:27:51
demo-hp      app_start_failed  info      Telepített alkalmazás nem fut: BookStack  2026-08-23 05:30:14
demo-hp      app_start_failed  info      Telepített alkalmazás nem fut: BookStack  2026-08-22 21:27:18
demo-hp      app_start_failed  info      Telepített alkalmazás nem fut: Kimai      2026-08-22 14:19:12

-- 2. the NOTIFICATION LOG: which channel actually delivered --
customer_id  event_type        severity  status  channel   created_at         
-----------  ----------------  --------  ------  --------  -------------------
demo-hp      app_start_failed  warning   sent    operator  2026-08-23 09:27:51
