No Alerts shown in MessageBar

[hbruch]

Though OTP integrates GTFS-Realtime Alerts, these don't show up in the MessageBar.

Reason seems to be, that Digitransit only intends to show alerts of severity level SEVERE:

{"id":"MessageBarQuery","query":"query MessageBarQuery($feedids: [String!]) {
  alerts(severityLevel: [SEVERE], feeds: $feedids) {
    feed
    id
    alertDescriptionText
    alertHash
    alertHeaderText
    alertSeverityLevel
    alertUrl
    effectiveEndDate
    effectiveStartDate
    alertDescriptionTextTranslations {
      language
      text
    }
    alertHeaderTextTranslations {
      language
      text
    }
    alertUrlTranslations {
      language
      text
    }
  }
}
","variables":{"feedids":["hbg"]}}

However, VVS alert messages do not provide a severity:

Note: According to the spec, severity_level is still experimental.