HF RL Explorer

R2 backup/restore not working in sandbox environment

R2 backup/restore not working in sandbox environment: a task in LegoFlow-SWE (Harbor dataset). Sync to R2 fails prematurely, mount detection incorrectly reports R2 as unmounted, and workspace/skills restores are silently skipped during container startup.

The task

Sync to R2 fails prematurely, mount detection incorrectly reports R2 as unmounted, and workspace/skills restores are silently skipped during container startup.

Part of Lego-X/LegoFlow-SWE.