CCM-14566: Add MESHInboxMessageInvalid event to MESHDownloader diagram (#208)

* Renamed diagram: MESHRetriever -> MESHDownloader
* Added MESHInboxMessageInvalid event to MESHDownloader diagram
* Fixed diagram references

Author: tdroza-nhs

docs/architecture/c4/notifhir/mesh/acknowledger/index.md

@@ -4,11 +4,11 @@ title: MESH Acknowledger
 parent:  MESH Services
 nav_order: 4
 has_children: true
-last_modified_date: 2024-10-28
+last_modified_date: 2026-02-12
 owner: Tom D'Roza
 author: Tom D'Roza
 diagrams: [c4code-mesh-acknowledger]
 events-raised: [mesh-inbox-message-acknowledged]
-events-consumed: [mesh-inbox-message-downloaded]
+events-consumed: [mesh-inbox-message-downloaded, mesh-inbox-message-invalid]
 c4type: code
 ---

docs/architecture/c4/notifhir/mesh/poller/index.md

@@ -4,11 +4,11 @@ title: MESH Poller
 parent:  MESH Services
 nav_order: 2
 has_children: true
-last_modified_date: 2024-10-28
+last_modified_date: 2026-02-12
 owner: Tom D'Roza
 author: Tom D'Roza
 diagrams: [c4code-mesh-poller, sequence-mesh-poller]
-events-raised: [mesh-inbox-message-received]
+events-raised: [mesh-inbox-message-received, mesh-inbox-message-invalid]
 events-consumed: [mesh-poller-timer-expired]
 c4type: code
 ---

docs/architecture/c4/notifhir/mesh/retriever/index.md

@@ -1,15 +1,15 @@
 ---
 
-title: MESH Retriever
+title: MESH Downloader
 parent:  MESH Services
 nav_order: 3
 has_children: true
 is_not_draft: false
-last_modified_date: 2024-05-28
+last_modified_date: 2026-02-12
 owner: Ross Buggins
 author: Ross Buggins
-diagrams: [c4code-mesh-retriever, sequence-mesh-downloader]
-events-raised: [mesh-inbox-message-downloaded]
+diagrams: [c4code-mesh-downloader, sequence-mesh-downloader]
+events-raised: [mesh-inbox-message-downloaded, mesh-inbox-message-invalid]
 events-consumed: [mesh-inbox-message-received]
 c4type: code
 ---

…tions/_diagrams/c4code-mesh-retriever.md …ions/_diagrams/c4code-mesh-downloader.mddocs/collections/_diagrams/c4code-mesh-retriever.md renamed to docs/collections/_diagrams/c4code-mesh-downloader.md docs/collections/_diagrams/c4code-mesh-retriever.md renamed to docs/collections/_diagrams/c4code-mesh-downloader.md

@@ -1,25 +1,26 @@
 ---
 
-title: c4code-mesh-retriever
+title: c4code-mesh-downloader
 
 ---
 
-
-## MESH Retriever
-
 ```mermaid
 architecture-beta
-    group meshRetriever(cloud)[MeshRetriever]
+    group meshDownloader(cloud)[MeshDownloader]
     service meshReceived(aws:res-amazon-eventbridge-event)[MESHInboxMessageReceived Event]
     service meshDownloaded(aws:res-amazon-eventbridge-event)[ MESHInboxMessageDownloaded Event]
-    service meshDownloadQueue(logos:aws-sqs)[MeshDownload Queue] in meshRetriever
-    service meshDownloadLambda(logos:aws-lambda)[MeshDownload] in meshRetriever
+    service meshInvalid(aws:res-amazon-eventbridge-event)[ MESHInboxMessageInvalid Event]
+    service meshDownloadQueue(logos:aws-sqs)[MeshDownload Queue] in meshDownloader
+    service meshDownloadLambda(logos:aws-lambda)[MeshDownload] in meshDownloader
     service mesh(server)[MESH]
-    service s3(logos:aws-s3)[DocumentReference] in meshRetriever
+    service s3(logos:aws-s3)[DocumentReference] in meshDownloader
+    junction j1
 
     meshReceived:R --> L:meshDownloadQueue
     meshDownloadQueue:R --> L:meshDownloadLambda
     meshDownloadLambda:T --> B:s3
     meshDownloadLambda:B --> T:mesh
-    meshDownloadLambda:R --> L:meshDownloaded
+    meshDownloadLambda:R -- L:j1
+    j1:T --> L:meshInvalid
+    j1:R --> L:meshDownloaded
 ```

docs/collections/_diagrams/c4component-mesh.md

@@ -12,7 +12,7 @@ title: c4component-mesh
         Container_Boundary(inbound, "Inbound"){
          Component(timer, "Mesh Timer")
          Component(poller, "Mesh Poller")
-         Component(retriever, "Mesh Retriever")
+         Component(downloader, "Mesh Downloader")
         }
 
 
@@ -23,7 +23,7 @@ title: c4component-mesh
         }
 
         Rel(timer, poller, "Produced", "TimeExipred")
-        Rel(poller, retriever, "Sends File", "FileFound")
+        Rel(poller, downloader, "Sends File", "FileFound")
 
 
          UpdateLayoutConfig($c4ShapeInRow="3", $c4BoundaryInRow="1")

docs/collections/_events/mesh-inbox-message-invalid.md

@@ -7,4 +7,4 @@ schema_envelope:  https://notify.nhs.uk/cloudevents/schemas/digital-letters/2025
 schema_data: https://notify.nhs.uk/cloudevents/schemas/digital-letters/2025-10-draft/data/digital-letters-mesh-inbox-message-invalid-data.schema.json
 ---
 
-This event is published when the MESHPoller detects a new message in the MESH mailbox that is deemed invalid and should not be downloaded.
+This event is published when the MESHPoller or MESHDownloader detects a new message in the MESH mailbox that is deemed invalid and should not be processed.

docs/collections/_events/mesh-inbox-message-received.md

@@ -7,4 +7,4 @@ schema_envelope:  https://notify.nhs.uk/cloudevents/schemas/digital-letters/2025
 schema_data: https://notify.nhs.uk/cloudevents/schemas/digital-letters/2025-10-draft/data/digital-letters-mesh-inbox-message-received-data.schema.json
 ---
 
-This is an event.
+This event is published when the MESHPoller detects a new message in the MESH mailbox that is available to be downloaded.

src/cloudevents/domains/digital-letters/2025-10-draft/data/digital-letters-mesh-inbox-message-invalid-data.schema.yaml

@@ -1,6 +1,6 @@
 $schema: https://json-schema.org/draft/2020-12/schema
-title: MESHInboxMessageReceived Data
-description: Data payload of the MESHInboxMessageReceived event
+title: MESHInboxMessageInvalid Data
+description: Data payload of the MESHInboxMessageInvalid event
 type: object
 additionalProperties: false
 properties: