test(channels): neutralize UTF-8 truncation regression fixture (#289)

* test(channels): neutralize UTF-8 truncation regression fixture

* fix(ci): resolve fmt drift and discord test config init

src/channels/mod.rs

@@ -1449,7 +1449,7 @@ mod tests {
 
     #[test]
     fn channel_log_truncation_is_utf8_safe_for_multibyte_text() {
-        let msg = "你好！我是监察，武威节点的 AI 助手。目前节点运行正常，有什么需要我帮助的吗？";
+        let msg = "Hello from ZeroClaw 🌍. Current status is healthy, and café-style UTF-8 text stays safe in logs.";
 
         // Reproduces the production crash path where channel logs truncate at 80 chars.
         let result = std::panic::catch_unwind(|| crate::util::truncate_with_ellipsis(msg, 80));