Files
HealthLog/src/app/api/nutrients
Marc-André Bombeck 2c6699f682 perf(batch): replace per-entry existence probes with batched reads
Three batch-ingest routes ran a per-entry findUnique/upsert loop —
up to 1000 sequential round trips on a 500-entry batch.

- nutrients/batch: one indexed findMany existence read splits the
  batch into a bulk createMany (new day/nutrient pairs) and a
  $transaction of per-row updates (existing pairs), the shape
  measurements/batch already uses. A write failure now marks its
  whole group skipped rather than one entry, documented at the call
  site; validation failures stay isolated per entry as before.
- mood-entries/bulk: the per-entry findUnique probe is replaced by
  one batched findMany keyed exactly like each entry's own dedup
  contract (externalId when carried, else date+moodLoggedAt). The
  per-entry upsert, tombstone check, tag-link writes and reverse push
  are unchanged — only the existence read is batched.
2026-07-18 00:37:24 +02:00
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