CCM-13295: Add reasonCode and reasonText to PrintLetterTransitioned event

Author: tdroza-nhs

src/cloudevents/domains/digital-letters/2025-10-draft/data/digital-letters-print-letter-transitioned-data.schema.yaml

@@ -12,6 +12,10 @@ properties:
     $ref: ../defs/print.schema.yaml#/properties/specificationId
   status:
     $ref: ../defs/print.schema.yaml#/properties/status
+  reasonCode:
+    $ref: ../defs/print.schema.yaml#/properties/reasonCode
+  reasonText:
+    $ref: ../defs/print.schema.yaml#/properties/reasonText
   supplierId:
     $ref: ../defs/print.schema.yaml#/properties/supplierId
   time:

src/cloudevents/domains/digital-letters/2025-10-draft/defs/print.schema.yaml

@@ -59,3 +59,13 @@ properties:
     ]
     type: "string"
     pattern: "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d(?::[0-5]\\d(?:\\.\\d+)?)?(?:Z))$"
+  reasonCode:
+    type: string
+    description: A codified reason for the status of the message
+    examples:
+      - "FAILURE001"
+  reasonText:
+    type: string
+    description: Human-readable explanation for the reasonCode
+    examples:
+      - "Letter has too many pages"