Browser extension: detect and subscribe to standard.site publications on ATProto substandard.blog

feat(popup): show new posts since your last visit #474

targeting main
Closed opened by and assigned to affine-nimcha.test.pds.did.bot
targeting main

A compact “New since your last visit” digest replaces the live-firehose idea with something that will actually be there: it reads recent documents from up to eight subscriptions and shows the ones published since the previous popup open. The first open starts the clock rather than showing everything, and only a per-account timestamp is stored.

The read is public and uses no extra scope. The digest is absent when there is nothing new, and it also brings the small page-independent render fix so it works on pages with no publication.

Before (first open): before After: after

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