From cccee4da6353182284d07ed6b57b6199b7bf87f7 Mon Sep 17 00:00:00 2001
From: hu chenxi <48664596+GeT-LeFt@users.noreply.github.com>
Date: Mon, 20 Apr 2026 19:47:55 +0800
Subject: [PATCH] fix(cli): set TERM, COLORTERM, and LANG defaults for terminal
 pty sessions (#495)

---
 cli/src/terminal/TerminalManager.ts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/cli/src/terminal/TerminalManager.ts b/cli/src/terminal/TerminalManager.ts
index 1b6b9eb9..c3c45c04 100644
--- a/cli/src/terminal/TerminalManager.ts
+++ b/cli/src/terminal/TerminalManager.ts
@@ -68,6 +68,15 @@ function buildFilteredEnv(): NodeJS.ProcessEnv {
         }
         env[key] = value
     }
+    if (!env.TERM) {
+        env.TERM = 'xterm-256color'
+    }
+    if (!env.COLORTERM) {
+        env.COLORTERM = 'truecolor'
+    }
+    if (!env.LANG) {
+        env.LANG = process.platform === 'darwin' ? 'en_US.UTF-8' : 'C.UTF-8'
+    }
     return env
 }