The candidate matches for the source record.
Optional entity description for context.
The entity document driving this run (carries the reasoning prompt/agent ids + mode).
Registered entity name (e.g. "Accounts").
The field-level deltas across the whole set (differing fields only).
The source record under review.
The complete input to a single reasoning call — one source record's matched set. This is assembled once per set by the detector (after all filtering) and is identical regardless of which provider runs.