From 719aa7742ff4e72270e8d561c42dd24cb28ecd1a Mon Sep 17 00:00:00 2001
From: David Mo <david@dmo.ooo>
Date: Fri, 5 Dec 2025 15:30:27 -0500
Subject: [PATCH 1/4] fix `Response.empty` not setting headers

---
 .../effect/src/unstable/http/HttpServerResponse.ts  | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/packages/effect/src/unstable/http/HttpServerResponse.ts b/packages/effect/src/unstable/http/HttpServerResponse.ts
index 2cef8b8e3..2d7fda4a3 100644
--- a/packages/effect/src/unstable/http/HttpServerResponse.ts
+++ b/packages/effect/src/unstable/http/HttpServerResponse.ts
@@ -78,11 +78,16 @@ export const isHttpServerResponse = (u: unknown): u is HttpServerResponse => has
  */
 export const empty = (
   options?: Options.WithContent | undefined
-): HttpServerResponse =>
-  makeResponse({
+): HttpServerResponse => {
+  const headers = options?.headers
+    ? Headers.fromInput(options.headers)
+    : Headers.empty
+  return makeResponse({
     status: options?.status ?? 204,
-    statusText: options?.statusText
-  })
+    statusText: options?.statusText,
+    headers
+  });
+}
 
 /**
  * @since 4.0.0

From 96b648c96e63885f283c555ac321e6be4980ab39 Mon Sep 17 00:00:00 2001
From: David Mo <david@dmo.ooo>
Date: Fri, 5 Dec 2025 15:33:26 -0500
Subject: [PATCH 2/4] also add cookies

---
 packages/effect/src/unstable/http/HttpServerResponse.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/effect/src/unstable/http/HttpServerResponse.ts b/packages/effect/src/unstable/http/HttpServerResponse.ts
index 2d7fda4a3..c8af69366 100644
--- a/packages/effect/src/unstable/http/HttpServerResponse.ts
+++ b/packages/effect/src/unstable/http/HttpServerResponse.ts
@@ -85,7 +85,8 @@ export const empty = (
   return makeResponse({
     status: options?.status ?? 204,
     statusText: options?.statusText,
-    headers
+    headers,
+    cookies: options?.cookies ?? Cookies.empty
   });
 }
 

From 38b81dbe7d106b317d5c4b1c222bdb38ebedc957 Mon Sep 17 00:00:00 2001
From: David Mo <david@dmo.ooo>
Date: Fri, 5 Dec 2025 15:48:38 -0500
Subject: [PATCH 3/4] add empty response test

---
 .../platform-node/test/NodeHttpServer.test.ts | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/packages/platform-node/test/NodeHttpServer.test.ts b/packages/platform-node/test/NodeHttpServer.test.ts
index 2cedc2d7c..7fd0ab650 100644
--- a/packages/platform-node/test/NodeHttpServer.test.ts
+++ b/packages/platform-node/test/NodeHttpServer.test.ts
@@ -34,6 +34,27 @@ const IdParams = Schema.Struct({
 const todoResponse = HttpServerResponse.schemaJson(Todo)
 
 describe("HttpServer", () => {
+  it.effect("empty", () =>
+    Effect.gen(function*() {
+      const now = new Date().toISOString()
+      yield* HttpRouter.add(
+        "GET",
+        "/healthz",
+        Effect.succeed(
+          HttpServerResponse.empty({
+            status: 200,
+            headers: { date: now }
+          })
+        )
+      ).pipe(
+        HttpRouter.serve,
+        Layer.build
+      )
+      const health = yield* HttpClient.get("/healthz")
+      expect(health.status).toEqual(200)
+      expect(health.headers.date).toEqual(now)
+    }).pipe(Effect.provide(NodeHttpServer.layerTest)))
+
   it.effect("schema", () =>
     Effect.gen(function*() {
       yield* HttpRouter.add(

From 164657ae213449c09518d23e340256419fa4bf3a Mon Sep 17 00:00:00 2001
From: David Mo <david@dmo.ooo>
Date: Fri, 5 Dec 2025 19:00:24 -0500
Subject: [PATCH 4/4] fix lint error

---
 packages/effect/src/unstable/http/HttpServerResponse.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/effect/src/unstable/http/HttpServerResponse.ts b/packages/effect/src/unstable/http/HttpServerResponse.ts
index c8af69366..095c337dd 100644
--- a/packages/effect/src/unstable/http/HttpServerResponse.ts
+++ b/packages/effect/src/unstable/http/HttpServerResponse.ts
@@ -87,7 +87,7 @@ export const empty = (
     statusText: options?.statusText,
     headers,
     cookies: options?.cookies ?? Cookies.empty
-  });
+  })
 }
 
 /**