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# Backlog
## Feed health: recency/frequency tracking + dead-feed detection
**Motivation:** migrating 108 feeds from Inoreader surfaced ~19 feeds the
user had manually flagged "dead?" over there — there's currently no way
for this app to tell that on its own. Want automatic detection instead of
relying on manual tagging carried over from another tool.
**What's needed:**
- Track each feed's normal posting cadence (e.g. median interval between
the last N articles' `publishedAt` — already stored on `ArticleEntity`,
no new fetch required, just a read-side computation).
- Surface a "stale" indicator on the feed list when a feed has gone
quiet for meaningfully longer than *its own* historical cadence — not
a fixed global threshold. A feed that normally posts yearly shouldn't
be flagged after 3 quiet months; a feed that normally posts daily
should be flagged after a couple of quiet weeks.
- Treat "feed URL itself is broken" as a distinct, stronger signal from
"author's just gone quiet": `FeedEntity.lastError` already records
fetch failures (404s, parked domains, etc.) — a feed with several
consecutive failures is a different case than a live, fetchable feed
that simply has no new posts.
**Rough shape (not yet built):**
- Compute per-feed on read (no new table needed at first): take the last
N `publishedAt` values for a feed, find the median gap, compare against
time since the most recent post. Flag if the current gap is some
multiple (e.g. 3x) of the historical median.
- `FeedListScreen`: a small badge next to the feed row when flagged,
distinguishing "quiet" (posting-cadence signal) from "broken"
(`lastError` signal) since they call for different user action (wait
it out vs. go look for a replacement feed).
- Out of scope for now: any automated "find where the author moved"
logic — that's a manual research task when a feed's actually declared
dead, not something to build detection for.
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