Per Codex — turn accounts into a real reason to return, without an algorithmic
feed. Durable interests (sources + tags), not moods.
* DB: user_follows (user_id, kind source|tag, value, unique).
* queries.feed gains follow_sources/follow_tags → the Following feed is
"articles from a followed source OR carrying a followed tag", still respecting
calm filters/boundaries.
* API: GET/POST/DELETE /api/follows (sign-in required; source ids validated);
/api/feed?following=true resolves the user's follows (anon → empty, not error).
* Frontend: follows store (followKeys + toggleFollow, mirrors savedIds); a
Follow button on source + tag/topic views; a "Following" lane in the nav with
a tailored empty state; a Following management section in Account (unfollow).
Digest "From what you follow" deferred to v2 (brief stays first).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
thejayman77
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