From 5fcc460c336b8df5effca8d2d1f37844cce50ab0 Mon Sep 17 00:00:00 2001
From: dongchao <2193993758@qq.com>
Date: Tue, 26 May 2026 23:10:06 +0800
Subject: [PATCH] fix(runtime): truncate assistant summary on UTF-8 char
 boundary to prevent CJK panic (#2167)

---
 crates/tui/src/runtime_threads.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crates/tui/src/runtime_threads.rs b/crates/tui/src/runtime_threads.rs
index 49cd02d1..23cad864 100644
--- a/crates/tui/src/runtime_threads.rs
+++ b/crates/tui/src/runtime_threads.rs
@@ -1434,7 +1434,7 @@ impl RuntimeThreadManager {
 
             if let Some(assistant_text) = assistant_text {
                 let asst_summary = if assistant_text.len() > SUMMARY_LIMIT {
-                    format!("{}...", &assistant_text[..SUMMARY_LIMIT.saturating_sub(3)])
+                    crate::utils::truncate_with_ellipsis(&assistant_text, SUMMARY_LIMIT, "...")
                 } else {
                     assistant_text.clone()
                 };