Clarify semantic reconciliation candidate numbers

assets/dnd/item-registry/normalize/prompts/instructions.md

@@ -5,5 +5,5 @@ evidence, similar objects, or a shared owner as sufficient.
 Keep currency denominations and materially different item types separate. Keep
 uncertain aliases separate. Do not infer an item property or uniqueness.
 
-When selecting a canonical display name, choose one supplied candidate name
-that is the clearest established designation.
+Set `canonical_candidate_number` to the supplied candidate number whose label
+is the clearest established designation.

assets/dnd/location-registry/normalize/prompts/instructions.md

@@ -5,4 +5,5 @@ nearby evidence, nested places, or generic labels as sufficient.
 Keep parent and child places separate, as well as similarly named places and
 uncertain aliases.
 
-When selecting a canonical display name, prefer the clearest established name.
+Set `canonical_candidate_number` to the supplied candidate number whose label
+is the clearest established name.

assets/dnd/npc-registry/normalize/prompts/instructions.md

@@ -3,7 +3,8 @@ contextual labels and cited transcript windows. Preserve distinct individuals
 even when their names are similar or their contextual descriptions are
 identical.
 
-When selecting a canonical display name, prefer a complete, stable proper name
+Set `canonical_candidate_number` to the supplied candidate number whose label
+is the preferred canonical display name. Prefer a complete, stable proper name
 over an abbreviation. Prefer an unadorned proper name over that name plus a
 contextual class, role, title, or relationship descriptor unless the transcript
 establishes the descriptor as part of the person's name. A longer display name