HF RL Explorer

Issue: Need a clean program termination mechanism via exception

Issue: Need a clean program termination mechanism via exception: a task in LegoFlow-SWE (Harbor dataset). Currently, the Molecule codebase directly calls util.sysexit(code) in many places to terminate the program. This approach has several drawbacks:

The task

Currently, the Molecule codebase directly calls `util.sysexit(code)` in many places to terminate the program. This approach has several drawbacks:

Part of Lego-X/LegoFlow-SWE.