agent: Indiciate files and folders in `list_directory` (#31448)
Otherwise, the agent confuses directories with files in cases where dirs
are named like files (`TODO`, `task.js`, etc.)
Release Notes:
- N/A
7ec61ceec9Oleksiy Syvokon committed on 5/27/2025, 9:26:17 AM· committed by GitHubparent119beb2