- TaskStopTool: cancel running tasks via TaskManager.cancelTask() - TaskOutputTool: retrieve task results with status-aware formatting - SleepTool: Thread.sleep() with 5-minute max and interrupt support - Registered all 3 tools in AppConfig (total: 22 tools) Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>