* fix(sandbox): pass no_change_timeout to exec_command to prevent 120s premature termination
The agent_sandbox library's shell API defaults no_change_timeout to 120
seconds. When AioSandbox.execute_command() called exec_command() without
this parameter, commands producing no output for 120s would return with
NO_CHANGE_TIMEOUT status even though the script was still running.
Pass no_change_timeout=600 to all exec_command calls (matching the
client-level HTTP timeout) so long-running commands are not cut short.
Fixes#2668
* test(sandbox): add assertions for no_change_timeout in execute_command and list_dir
Agent-Logs-Url: https://github.com/bytedance/deer-flow/sessions/2f37bc72-0826-4443-a6ba-e5b78c22fb5a
Co-authored-by: WillemJiang <219644+WillemJiang@users.noreply.github.com>
---------
Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
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