Enhance source validation to accept digital-letters domain; bump version to 1.1.3

Author: m-houston

package-lock.json

@@ -40,5 +40,5 @@
     "test:unit": "jest",
     "prepare": "npm run build"
   },
-  "version": "1.1.2"
+  "version": "1.1.3"
 }

packages/events/package.json

@@ -216,7 +216,51 @@ describe("EventEnvelope schema validation", () => {
     });
   });
 
-  describe("edge cases", () => {
+  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);
+    });
+
     it("should reject invalid source pattern", () => {
       const envelope = {
         ...baseValidEnvelope,
@@ -226,6 +270,16 @@ describe("EventEnvelope schema validation", () => {
       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",
+      };
+
+      const result = $Envelope.safeParse(envelope);
+      expect(result.success).toBe(false);
+    });
   });
 
   describe("subject prefix validation", () => {

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

@@ -64,11 +64,11 @@ export function EventEnvelope<TData extends z.ZodTypeAny>(
 
       source: z
         .string()
-        .regex(/^\/data-plane\/letter-rendering(?:\/.*)?$/)
+        .regex(/^\/data-plane\/(letter-rendering|digital-letters)(?:\/.*)?$/)
         .meta({
           title: "Event Source",
           description:
-            "Logical event producer path within the letter-rendering domain",
+            "Logical event producer path within the letter-rendering or digital-letters domains",
         }),
 
       subject: z