help4bis e4aa5277d7 feat(chat): load older messages on scroll-to-top (history pagination) (v1.11.0+15) ...

Repository keeps one live Timeline per room and re-yields on its
onUpdate callback (fires for both live events AND requestHistory),
not just onSync which never fires for pagination. loadMoreMessages
now paginates that same instance; added canLoadMore.

Timeline widget requests older history when scrolled within 400px of
the oldest end, guarded against re-entry, with a top loading spinner.

Verified: widget test drives a drag-to-top and asserts loadMoreMessages
fires; live smoke test confirms the onUpdate delivery path (reused by
history) still shows new messages after the refactor.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

2026-07-04 08:44:38 +10:00

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