fixup! fix(cloudflare): Make sure enableRpcTracePropagation is ranked higher

Author: JPeer264

packages/cloudflare/src/durableobject.ts

@@ -145,7 +145,7 @@ export function instrumentDurableObjectWithSentry<
         get(proxyTarget, prop, receiver) {
           const value = Reflect.get(proxyTarget, prop, receiver);
 
-          if (typeof prop !== 'string' || typeof value !== 'function') {
+          if (typeof prop !== 'string' || typeof value !== 'function' || prop === 'constructor') {
             return value;
           }
 

packages/cloudflare/test/durableobject.test.ts

@@ -216,6 +216,22 @@ describe('instrumentDurableObjectWithSentry', () => {
     expect(obj.rpcMethod()).toBe('rpc');
   });
 
+  it('preserves constructor identity on the proxy', () => {
+    const testClass = class MyDO {
+      rpcMethod() {
+        return 'result';
+      }
+    };
+    const instrumented = instrumentDurableObjectWithSentry(
+      vi.fn().mockReturnValue({ enableRpcTracePropagation: true }),
+      testClass as any,
+    );
+    const obj = Reflect.construct(instrumented, []);
+
+    // constructor must remain the original class reference for identity/type checks
+    expect(obj.constructor).toBe(testClass);
+  });
+
   it('Does not instrument RPC methods when instrumentPrototypeMethods is not set', () => {
     const testClass = class {
       rpcMethod() {