Make /app/solve.sh executable (if it is not already) and run it to extract playback commands from…

Make /app/solve.sh executable (if it is not already) and run it to extract playback commands from…: a task in rts-1k-rootless-apptainer: RTS-1K: offline rootless Apptainer release (Harbor dataset). What the agent is asked, how it is graded, what it runs in, and its files.