fix(coding-agent): resolved UTF-8 corruption in bash executor output (#433)

- Fixed UTF-8 text corruption in bash executor by replacing Buffer.toString() with streaming TextDecoder.

packages/coding-agent/CHANGELOG.md

@@ -1,6 +1,9 @@
 # Changelog
 
 ## [Unreleased]
+### Fixed
+
+- Fixed potential text decoding issues in bash executor by using streaming TextDecoder instead of Buffer.toString()
 
 ## [0.33.0] - 2026-01-04
 
@@ -1298,4 +1301,4 @@ Initial public release.
 - Git branch display in footer
 - Message queueing during streaming responses
 - OAuth integration for Gmail and Google Calendar access
-- HTML export with syntax highlighting and collapsible sections
+- HTML export with syntax highlighting and collapsible sections