Add iOS node push-token registration foundation

src/gateway/protocol.test.ts

@@ -6,6 +6,7 @@ import {
   parseNodeLocationSetParams,
   parseNodeLocationGetParams,
   parseNodeStatusSetParams,
+  parseNodePushTokenSetParams,
   makeResponse,
   makeError,
   makeEvent,
@@ -211,6 +212,43 @@ describe('protocol', () => {
     });
   });
 
+  describe('parseNodePushTokenSetParams', () => {
+    it('parses valid node push token params', () => {
+      const parsed = parseNodePushTokenSetParams({
+        connectionId: 'conn-1',
+        provider: 'apns',
+        token: 'abcd1234abcd1234abcd1234abcd1234',
+        topic: 'com.example.flynn',
+        environment: 'production',
+      });
+      expect(parsed).toEqual({
+        connectionId: 'conn-1',
+        provider: 'apns',
+        token: 'abcd1234abcd1234abcd1234abcd1234',
+        topic: 'com.example.flynn',
+        environment: 'production',
+      });
+    });
+
+    it('rejects invalid node push token params', () => {
+      expect(parseNodePushTokenSetParams({
+        connectionId: 'conn-1',
+        provider: 'fcm',
+        token: 'abcd1234abcd1234abcd1234abcd1234',
+      })).toBeNull();
+      expect(parseNodePushTokenSetParams({
+        connectionId: 'conn-1',
+        provider: 'apns',
+        token: 'short',
+      })).toBeNull();
+      expect(parseNodePushTokenSetParams({
+        connectionId: '',
+        provider: 'apns',
+        token: 'abcd1234abcd1234abcd1234abcd1234',
+      })).toBeNull();
+    });
+  });
+
   describe('makeResponse', () => {
     it('creates a response message', () => {
       expect(makeResponse(1, { status: 'ok' })).toEqual({