Add 'plane' field to event envelope and update version to 1.1.4

Author: m-houston

package-lock.json

@@ -40,5 +40,5 @@
     "test:unit": "jest",
     "prepare": "npm run build"
   },
-  "version": "1.1.3"
+  "version": "1.1.4"
 }

packages/events/package.json

@@ -28,6 +28,7 @@ describe("EventEnvelope schema validation", () => {
     recordedtime: "2025-10-01T10:15:30.250Z",
     severitynumber: 2,
     severitytext: "INFO",
+    plane: "data",
   };
 
   describe("basic validation", () => {
@@ -44,6 +45,7 @@ describe("EventEnvelope schema validation", () => {
         ...baseValidEnvelope,
         severitytext: "TRACE",
         severitynumber: 0,
+        plane: "data",
       };
 
       const result = $Envelope.safeParse(envelope);
@@ -55,6 +57,7 @@ describe("EventEnvelope schema validation", () => {
         ...baseValidEnvelope,
         severitytext: "DEBUG",
         severitynumber: 1,
+        plane: "data",
       };
 
       const result = $Envelope.safeParse(envelope);
@@ -66,6 +69,7 @@ describe("EventEnvelope schema validation", () => {
         ...baseValidEnvelope,
         severitytext: "INFO",
         severitynumber: 2,
+        plane: "data",
       };
 
       const result = $Envelope.safeParse(envelope);
@@ -77,6 +81,7 @@ describe("EventEnvelope schema validation", () => {
         ...baseValidEnvelope,
         severitytext: "WARN",
         severitynumber: 3,
+        plane: "data",
       };
 
       const result = $Envelope.safeParse(envelope);
@@ -88,6 +93,7 @@ describe("EventEnvelope schema validation", () => {
         ...baseValidEnvelope,
         severitytext: "ERROR",
         severitynumber: 4,
+        plane: "data",
       };
 
       const result = $Envelope.safeParse(envelope);
@@ -99,6 +105,7 @@ describe("EventEnvelope schema validation", () => {
         ...baseValidEnvelope,
         severitytext: "FATAL",
         severitynumber: 5,
+        plane: "data",
       };
 
       const result = $Envelope.safeParse(envelope);
@@ -110,6 +117,7 @@ describe("EventEnvelope schema validation", () => {
         ...baseValidEnvelope,
         severitytext: "TRACE",
         severitynumber: 1,
+        plane: "data",
       };
 
       const result = $Envelope.safeParse(envelope);
@@ -121,6 +129,7 @@ describe("EventEnvelope schema validation", () => {
         ...baseValidEnvelope,
         severitytext: "DEBUG",
         severitynumber: 2,
+        plane: "data",
       };
 
       const result = $Envelope.safeParse(envelope);
@@ -132,6 +141,7 @@ describe("EventEnvelope schema validation", () => {
         ...baseValidEnvelope,
         severitytext: "INFO",
         severitynumber: 1,
+        plane: "data",
       };
 
       const result = $Envelope.safeParse(envelope);
@@ -143,6 +153,7 @@ describe("EventEnvelope schema validation", () => {
         ...baseValidEnvelope,
         severitytext: "WARN",
         severitynumber: 2,
+        plane: "data",
       };
 
       const result = $Envelope.safeParse(envelope);
@@ -154,6 +165,7 @@ describe("EventEnvelope schema validation", () => {
         ...baseValidEnvelope,
         severitytext: "ERROR",
         severitynumber: 3,
+        plane: "data",
       };
 
       const result = $Envelope.safeParse(envelope);
@@ -165,6 +177,7 @@ describe("EventEnvelope schema validation", () => {
         ...baseValidEnvelope,
         severitytext: "FATAL",
         severitynumber: 4,
+        plane: "data",
       };
 
       const result = $Envelope.safeParse(envelope);
@@ -176,6 +189,7 @@ describe("EventEnvelope schema validation", () => {
         ...baseValidEnvelope,
         severitytext: undefined,
         severitynumber: 2,
+        plane: "data",
       };
 
       const result = $Envelope.safeParse(envelope);
@@ -187,6 +201,7 @@ describe("EventEnvelope schema validation", () => {
         ...baseValidEnvelope,
         severitytext: "INFO",
         severitynumber: 2,
+        plane: "data",
       };
 
       const result = $Envelope.safeParse(envelope);
@@ -208,6 +223,7 @@ describe("EventEnvelope schema validation", () => {
         dataclassification: "restricted",
         dataregulation: "GDPR",
         datacategory: "sensitive",
+        plane: "data",
       };
 
       const result = $Envelope.safeParse(envelope);
@@ -216,65 +232,12 @@ describe("EventEnvelope schema validation", () => {
     });
   });
 
-  describe("source validation", () => {
-    it("should accept source with letter-rendering plane", () => {
-      const envelope = {
-        ...baseValidEnvelope,
-        source: "/data-plane/letter-rendering/ordering",
-      };
-
-      const result = $Envelope.safeParse(envelope);
-      expect(result.error).toBeUndefined();
-      expect(result.success).toBe(true);
-    });
-
-    it("should accept source with digital-letters domain", () => {
-      const envelope = {
-        ...baseValidEnvelope,
-        source: "/data-plane/digital-letters/ordering",
-      };
-
-      const result = $Envelope.safeParse(envelope);
-      expect(result.error).toBeUndefined();
-      expect(result.success).toBe(true);
-    });
-
-    it("should accept source with digital-letters domain and additional path", () => {
-      const envelope = {
-        ...baseValidEnvelope,
-        source: "/data-plane/digital-letters/ordering/sub-path",
-      };
-
-      const result = $Envelope.safeParse(envelope);
-      expect(result.error).toBeUndefined();
-      expect(result.success).toBe(true);
-    });
-
-    it("should accept source with letter-rendering plane and additional path", () => {
-      const envelope = {
-        ...baseValidEnvelope,
-        source: "/data-plane/letter-rendering/ordering/sub-path/more",
-      };
-
-      const result = $Envelope.safeParse(envelope);
-      expect(result.error).toBeUndefined();
-      expect(result.success).toBe(true);
-    });
-
+  describe("edge cases", () => {
     it("should reject invalid source pattern", () => {
       const envelope = {
         ...baseValidEnvelope,
         source: "/invalid-plane/test",
-      };
-
-      const result = $Envelope.safeParse(envelope);
-      expect(result.success).toBe(false);
-    });
-
-    it("should reject source without data-plane prefix", () => {
-      const envelope = {
-        ...baseValidEnvelope,
-        source: "/digital-letters/ordering",
+        plane: "data",
       };
 
       const result = $Envelope.safeParse(envelope);
@@ -304,13 +267,15 @@ describe("EventEnvelope schema validation", () => {
       recordedtime: "2025-10-01T10:15:30.250Z",
       severitynumber: 2,
       severitytext: "INFO" as const,
+      plane: "data",
     };
 
     it("should accept subject with valid prefix when prefix is required", () => {
       const envelope = {
         ...baseLetterEnvelope,
         subject:
           "letter-origin/letter-rendering/letter/f47ac10b-58cc-4372-a567-0e02b2c3d479",
+        plane: "data",
       };
 
       const result = $EnvelopeWithPrefix.safeParse(envelope);
@@ -322,6 +287,7 @@ describe("EventEnvelope schema validation", () => {
       const envelope = {
         ...baseLetterEnvelope,
         subject: "letter/f47ac10b-58cc-4372-a567-0e02b2c3d479",
+        plane: "data",
       };
 
       const result = $EnvelopeWithPrefix.safeParse(envelope);
@@ -334,6 +300,7 @@ describe("EventEnvelope schema validation", () => {
       const envelope = {
         ...baseLetterEnvelope,
         subject: "letter-origin/letter/f47ac10b-58cc-4372-a567-0e02b2c3d479",
+        plane: "data",
       };
 
       const result = $EnvelopeWithPrefix.safeParse(envelope);
@@ -359,6 +326,7 @@ describe("EventEnvelope schema validation", () => {
         recordedtime: "2025-10-01T10:15:30.250Z",
         severitynumber: 2,
         severitytext: "INFO" as const,
+        plane: "data",
       };
 
       const result = $EnvelopeNoPrefix.safeParse(envelope);
@@ -378,6 +346,7 @@ describe("EventEnvelope schema validation", () => {
       const envelope = {
         ...baseLetterEnvelope,
         subject: "a/b/c/letter/test-id-123",
+        plane: "data",
       };
 
       const result = $EnvelopeMultiSegmentPrefix.safeParse(envelope);
@@ -404,10 +373,57 @@ describe("EventEnvelope schema validation", () => {
         recordedtime: "2025-10-01T10:15:30.250Z",
         severitynumber: 2,
         severitytext: "INFO" as const,
+        plane: "data",
       };
 
       const result = $EnvelopeNoPrefix.safeParse(envelope);
       expect(result.success).toBe(false);
     });
   });
+
+  // Additional tests for digital-letters source and optional request ID fields
+  describe("source validation", () => {
+    it("should accept source with digital-letters domain", () => {
+      const envelope = {
+        ...baseValidEnvelope,
+        source: "/data-plane/digital-letters/ordering",
+        plane: "data",
+      };
+      const result = $Envelope.safeParse(envelope);
+      expect(result.error).toBeUndefined();
+      expect(result.success).toBe(true);
+    });
+    it("should accept source with digital-letters domain and additional path", () => {
+      const envelope = {
+        ...baseValidEnvelope,
+        source: "/data-plane/digital-letters/ordering/sub-path",
+        plane: "data",
+      };
+      const result = $Envelope.safeParse(envelope);
+      expect(result.error).toBeUndefined();
+      expect(result.success).toBe(true);
+    });
+    it("should accept source with letter-rendering plane and additional path", () => {
+      const envelope = {
+        ...baseValidEnvelope,
+        source: "/data-plane/letter-rendering/ordering/sub-path/more",
+        plane: "data",
+      };
+      const result = $Envelope.safeParse(envelope);
+      expect(result.error).toBeUndefined();
+      expect(result.success).toBe(true);
+    });
+  });
+  describe("optional request ID fields", () => {
+    it("should accept envelope with optional requestId fields", () => {
+      const envelope = {
+        ...baseValidEnvelope,
+        requestId: "req-12345",
+        correlationId: "corr-67890",
+        plane: "data",
+      };
+      const result = $Envelope.safeParse(envelope);
+      expect(result.success).toBe(true);
+    });
+  });
 });

packages/events/src/events/__tests__/event-envelope.test.ts

@@ -17,6 +17,7 @@
   "datacontenttype": "application/json",
   "dataschema": "https://notify.nhs.uk/cloudevents/schemas/letter-rendering/letter-request.prepared.1.0.0.schema.json",
   "id": "23f1f09c-a555-4d9b-8405-0b33490bc920",
+  "plane": "data",
   "recordedtime": "2025-08-28T08:45:00.000Z",
   "severitynumber": 2,
   "severitytext": "INFO",

packages/events/src/events/__tests__/testData/letter-request-prepared-valid.json

@@ -17,6 +17,7 @@
   "datacontenttype": "application/json",
   "dataschema": "https://notify.nhs.uk/cloudevents/schemas/letter-rendering/letter-request.prepared.0.1.0.schema.json",
   "id": "23f1f09c-a555-4d9b-8405-0b33490bc920",
+  "plane": "data",
   "recordedtime": "2025-08-28T08:45:00.000Z",
   "severitynumber": 2,
   "severitytext": "INFO",

packages/events/src/events/__tests__/testData/letter-request-prepared-with-invalid-major-version.json

@@ -16,6 +16,7 @@
   "datacontenttype": "application/json",
   "dataschema": "https://notify.nhs.uk/cloudevents/schemas/letter-rendering/letter-request.prepared.1.0.0.schema.json",
   "id": "23f1f09c-a555-4d9b-8405-0b33490bc920",
+  "plane": "data",
   "recordedtime": "2025-08-28T08:45:00.000Z",
   "severitynumber": 2,
   "severitytext": "INFO",

packages/events/src/events/__tests__/testData/letter-request-prepared-with-missing-fields.json

@@ -14,6 +14,7 @@
   "datacontenttype": "application/json",
   "dataschema": "https://notify.nhs.uk/cloudevents/schemas/letter-rendering/letter-request.prepared.1.0.0.schema.json",
   "id": "23f1f09c-a555-4d9b-8405-0b33490bc920",
+  "plane": "data",
   "recordedtime": "2025-08-28T08:45:00.000Z",
   "severitynumber": 2,
   "severitytext": "INFO",

packages/events/src/events/__tests__/testData/letter-request-prepared-with-partial-optional-fields.json

@@ -12,6 +12,7 @@
   "datacontenttype": "application/json",
   "dataschema": "https://notify.nhs.uk/cloudevents/schemas/letter-rendering/letter-request.prepared.1.0.0.schema.json",
   "id": "23f1f09c-a555-4d9b-8405-0b33490bc920",
+  "plane": "data",
   "recordedtime": "2025-08-28T08:45:00.000Z",
   "severitynumber": 2,
   "severitytext": "INFO",

packages/events/src/events/__tests__/testData/letter-request-prepared-without-optional-fields.json

@@ -135,6 +135,12 @@ export function EventEnvelope<TData extends z.ZodTypeAny>(
           }),
       ),
 
+      plane: z.literal("data").meta({
+        title: "Event Plane",
+        description: "The event bus in which the event was generated.",
+        examples: ["data"],
+      }),
+
       recordedtime: z.iso.datetime().meta({
         title: "Recorded Time",
         description: