thanks! ArticleFerry already saves a plain EPUB file, so it should work with CrossPoint today: save the article, then on the reader open File Transfer, join your wifi and upload the file from the page it shows (or copy it to the SD card). I haven’t tested it on an X4 myself, so if something renders oddly let me know. sending straight to the reader over wifi would be a neat addition, I’ll note it down.
the affiliate theory sounds right to me, the hijack only pays if every search goes through their tagged link. for locking it down, regular Firefox supports enterprise policies. on Bluefin it’s the system Flatpak, so put a policies.json in /var/lib/flatpak/extension/org.mozilla.firefox.systemconfig/x86_64/stable/policies/ with ExtensionSettings set to "*": {"installation_mode": "blocked"} and "uBlock0@raymondhill.net": {"installation_mode": "force_installed"}. that removes the junk, blocks new installs and he can’t uninstall uBO again. restart Firefox and check about:policies to see it applied.
for that, Immich is pretty much made for it. the phone app can back up automatically and it’s the closest thing to Google/iCloud Photos you can host. it has arm64 images and the docs say 6GB RAM minimum, 8 recommended, so a base M1 is fine for one person. one Asahi gotcha: it uses 16K memory pages, and a few arm containers built with older jemalloc crash with “Unsupported system page size” (some Immich postgres tags did this on the Pi 5). the current default compose file is fine, just don’t copy an old pinned database image from a random guide.