CCM-12274: Rework NHSApp callback design diagrams

Author: tdroza-nhs

docs/architecture/c4/notifhir/reporting/recorder/index.md

@@ -8,7 +8,7 @@ is_not_draft: false
 last_modified_date: 2025-10-24
 owner: Tom D'Roza
 author: Tom D'Roza
-diagrams: [c4code-mesh-statusreporter-recorder, sequence-nhsapp-callback]
+diagrams: [c4code-mesh-statusreporter-recorder]
 events-raised: []
 events-consumed: [
     mesh-inbox-message-downloaded,

docs/architecture/c4/notifhir/viewer/callback/index.md

@@ -8,7 +8,7 @@ is_not_draft: false
 last_modified_date: 2024-05-28
 owner: Ross Buggins
 author: Ross Buggins
-diagrams: [c4code-nhsapp-callback, sequence-nhsapp-callback]
+diagrams: [c4code-nhsapp-status-handler]
 events-raised: [viewer-digital-letter-read]
 events-consumed: []
 c4type: code

docs/collections/_diagrams/c4code-nhsapp-callback.md

@@ -0,0 +1,20 @@
+---
+
+title: c4code-nhsapp-status-handler
+
+---
+
+```mermaid
+architecture-beta
+    group AppStatusHandler(cloud)[NHSAppStatusHandler]
+    service optedOutEvent(aws:res-amazon-eventbridge-event)[PrintLetterOptedOut Event]
+    service lambda(logos:aws-lambda)[App Status Handler] in AppStatusHandler
+    service sqs(logos:aws-sqs)[App Status Queue] in AppStatusHandler
+    service ddb(aws:arch-amazon-dynamodb)[Items With TTL] in AppStatusHandler
+    service docReadEvent(aws:res-amazon-eventbridge-event)[DigitalLetterRead Event]
+
+    optedOutEvent:R --> L:sqs
+    sqs:R --> L:lambda
+    lambda:B --> T:ddb
+    lambda:R --> L:docReadEvent
+```