Source refresh now upserts a repo's new chunks first and deletes what is
left in scope under another commit afterwards, so a failed embed never
removes indexed content (embed-outage-empties-repo). The cursor is still
dropped before the first write.
The pool's reserve endpoints use EmbedBounds::RESERVE (30 s a text, 60 s
floor) instead of the GPU default (reserve-bounded-like-a-gpu).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
5874717c88