Update packages/core/src/tools/edit.ts

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: Megashubham

packages/core/src/tools/edit.ts

@@ -842,7 +842,11 @@ class EditToolInvocation
       const newlineIdx = normalized.indexOf('\n');
       const firstLine =
         newlineIdx !== -1 ? normalized.substring(0, newlineIdx) : normalized;
-      const chars = Array.from(firstLine);
+      const chars = [];
+      for (const segment of new Intl.Segmenter().segment(firstLine)) {
+        chars.push(segment.segment);
+        if (chars.length >= 30) break;
+      }
       if (chars.length > 30) {
         return chars.slice(0, 30).join('') + '...';
       }