- Q16 → image bytes stay in their source (Memos / Nextcloud / Obsidian);
Phase-3.2 backfill fetches by media_uri. Zero copy.
- Q17 → Immich stays out-of-band; Nexa does not call Immich's smart-search.
- New Q18 carries forward the unresolved sub-question of whether SAIA's
LiteLLM gateway already proxies an embedding model — a 1-line check that
could let us skip TEI in 3.1.
Claude
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