* feat: add agent manager to manage all agents;
* extract the host ssh port to prevent conflict.
* clean all containers with prefix is sandbox-
* merge from upstream/main
* merge from upstream/main
* Update frontend/src/state/settingsSlice.ts
* Update opendevin/sandbox/ssh_box.py
* Update opendevin/sandbox/exec_box.py
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Co-authored-by: Robert Brennan <accounts@rbren.io>
