From e9d26d5cda717ac198c76a6338485bcbc5fa2be8 Mon Sep 17 00:00:00 2001
From: Sridhar Ratnakumar <srid@srid.ca>
Date: Mon, 4 May 2026 16:59:48 -0400
Subject: [PATCH] Fix e2e live server stdout backpressure

---
 tests/support/hooks.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tests/support/hooks.ts b/tests/support/hooks.ts
index 3e1493ce5..901fd7e86 100644
--- a/tests/support/hooks.ts
+++ b/tests/support/hooks.ts
@@ -87,7 +87,10 @@ async function startLive(): Promise<{ url: string; resource: BackendResource }>
   const proc = spawn(
     emanoteBin,
     ["-L", fixtureDir, "run", "--port", String(port)],
-    { stdio: ["ignore", "pipe", "pipe"] },
+    // Emanote writes routine request/build output to stdout. In long morph
+    // runs, an unread stdout pipe can fill and block the server process,
+    // making later page.goto("/") calls hang even though the backend started.
+    { stdio: ["ignore", "ignore", "pipe"] },
   );
   proc.stderr?.on("data", (d: Buffer) =>
     process.stderr.write(`[emanote:live] ${d}`),