Index <= Page index / Vector => V1 USB/SD
Air-gap transport for isolated islands. Placeholders for hardware, prices, specs, setup, files, choices.
Goal: export/import bundles via USB/SD (air-gap). Phases and controls follow the roadmap.
To detail: endpoints, validations, formats.
To detail: user flow, errors, hash.
To detail: RPi/laptop usage without UI, scripts.
Global hash + doc count, import journal anti-duplicate. To complete with methods and code.