The /upload page now takes several photos at once, mirroring the Android and Qt
apps: a card per photo with its own preview, EXIF-prefilled date, caption and
tag-autocompleting tags field, a remove button, and per-photo status. "Post
photos" uploads them sequentially with an x/N progress line; failures can be
retried by pressing Post again, successes link straight to the new photo page.
No server change — each photo is still a separate POST /upload, exactly as the
apps' per-photo queue does it, so slugs come from filenames as before.
puttaalu
c21ddc5b7e