Make the script /app/cobafungsi executable and ensure it functions as a well-behaved CLI utility.

Make the script /app/cobafungsi executable and ensure it functions as a well-behaved CLI utility.: 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.