Project spell aliases into extraction prompts

assets/dnd/spells/prompts/spell-catalog.md

@@ -1,6 +1,6 @@
-The canonical spell-name catalog for this extraction is provided below as JSON.
-Return spell names using the catalog's canonical spelling exactly. Aliases and
-other campaign reference material are not part of this catalog input and must
-not be copied into the output as spell names.
+The spell catalog for this extraction is provided below as JSON. Each entry
+lists a `canonical_name` and its recognized `aliases`. If the transcript uses
+an alias, select that entry's `canonical_name`. Return spell names using the
+canonical spelling exactly; never return an alias as a spell name.
 
 {{ input "spell_catalog" }}