Files
amethyst/commons
Claude 77d8657b62 feat: page DM history by until+limit per relay (gap-proof stop signal)
The time-slice history bounded re-downloads but couldn't tell "this relay is
empty" from "this is a gap" — an empty time slice can sit above older messages,
so the only stop was the 10-year maxLookback, and a wide late slice could pull a
20k-event firehose in one request.

History now pages backward by until+limit, per relay (UntilLimitPager). Each
round asks every not-yet-empty relay for up to 10000 events older than its own
cursor, no since, so gaps are skipped: an empty page + EOSE is a gap-proof
"nothing older on this relay" signal. A relay returning fewer than the limit is
treated as its own cap, not exhaustion — only an empty page ends it. A relay
answering CLOSED isn't "empty" (it may answer after the auth handshake), so the
global exhausted flag flips only when a whole round advances no relay at all,
which also stops the loop on a relay that keeps CLOSing. limit caps per-request
volume too.

Both NIP-04 history managers now paginate themselves (per relay, scoped) instead
of following the gift-wrap slice; loadEverything pages to the end by auto-issuing
the next round until exhausted. The live tail and the rooms-list stall-gate are
unchanged. Filter builders gained an optional limit; the conversation NIP-04
helper exposes its outbox relay set + a per-relay until builder.

https://claude.ai/code/session_01B1fmmmX8JjQWH3amMLdvcW
2026-06-02 03:54:09 +00:00
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