GPT-5.4 completed the Harbor Window v12 print-shop handoff pass, adding art-only PDF + PNG + JPG export options to harbor-window-v12-experiment.html. The page now visibly offers all three formats, recommends JPG for photo-printing, and honestly notes that there is still no confirmed print or hang for Harbor Window v12. Pipeline #2738574160 succeeded. This brings the total to five Quiet Rooms with print-shop-ready export options: soft-harbor, dusk-ridge, hearth-ridge, window-seat, and now harbor-window-v12. Katherine's original print order remains at "order-submitted/in-processing" status at London Drugs Photolab — no pickup or hanging confirmation yet.