From 2834445067b3001921684ca9bcc66f3980b303c9 Mon Sep 17 00:00:00 2001
From: YeonGyu-Kim <code.yeon.gyu@gmail.com>
Date: Sun, 8 Feb 2026 22:09:12 +0900
Subject: [PATCH] fix: guard interactive prompts on both stdin and stdout TTY

---
 src/cli/tui-install-prompts.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/cli/tui-install-prompts.ts b/src/cli/tui-install-prompts.ts
index 7b6d03b5..1a39dc70 100644
--- a/src/cli/tui-install-prompts.ts
+++ b/src/cli/tui-install-prompts.ts
@@ -12,7 +12,7 @@ async function selectOrCancel<TValue extends Readonly<string | boolean | number>
   options: Option<TValue>[]
   initialValue: TValue
 }): Promise<TValue | null> {
-  if (!process.stdin.isTTY) return null
+  if (!process.stdin.isTTY || !process.stdout.isTTY) return null
 
   const value = await p.select<TValue>({
     message: params.message,