From 9c3cf35e08b3b7e7a44d03157159ea8df9d61a71 Mon Sep 17 00:00:00 2001
From: Peter Steinberger <steipete@gmail.com>
Date: Sun, 31 May 2026 02:33:38 -0400
Subject: [PATCH] fix(ci): stop channel timers holding vitest open

---
 src/channels/draft-stream-loop.test.ts | 10 +++++++++-
 src/channels/typing-lifecycle.ts       |  1 +
 src/channels/typing.ts                 |  1 +
 3 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/channels/draft-stream-loop.test.ts b/src/channels/draft-stream-loop.test.ts
index ac613c35398e..1e043710a597 100644
--- a/src/channels/draft-stream-loop.test.ts
+++ b/src/channels/draft-stream-loop.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, it, vi } from "vitest";
+import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
 import { MAX_TIMER_TIMEOUT_MS } from "../shared/number-coercion.js";
 import { createDraftStreamLoop } from "./draft-stream-loop.js";
 
@@ -29,6 +29,14 @@ async function captureUnhandledRejections(
 }
 
 describe("createDraftStreamLoop", () => {
+  beforeEach(() => {
+    vi.useRealTimers();
+  });
+
+  afterEach(() => {
+    vi.useRealTimers();
+  });
+
   it("contains immediate background flush rejections and preserves pending text", async () => {
     await captureUnhandledRejections(async (rejections) => {
       const error = new Error("send failed");
diff --git a/src/channels/typing-lifecycle.ts b/src/channels/typing-lifecycle.ts
index 20b7bdd97389..d73630b9b5e9 100644
--- a/src/channels/typing-lifecycle.ts
+++ b/src/channels/typing-lifecycle.ts
@@ -33,6 +33,7 @@ export function createTypingKeepaliveLoop(params: {
     timer = setInterval(() => {
       void tick();
     }, params.intervalMs);
+    timer.unref?.();
   };
 
   const stop = () => {
diff --git a/src/channels/typing.ts b/src/channels/typing.ts
index 0d6ac7c3e872..4ca7aff5d2fa 100644
--- a/src/channels/typing.ts
+++ b/src/channels/typing.ts
@@ -76,6 +76,7 @@ export function createTypingCallbacks(params: CreateTypingCallbacksParams): Typi
         fireStop();
       }
     }, maxDurationMs);
+    ttlTimer.unref?.();
   };
 
   const clearTtlTimer = () => {