Extract Dungeons & Dragons spell-cast artifacts from the provided transcript.
Include an actual casting event or an unambiguous declared casting attempt.
Exclude spell mentions, hypothetical plans, rules discussion, and catalog
matches that do not establish a casting event in the transcript.

For every extracted cast, the transcript evidence must collectively support the
in-world caster, the spell, and the fact that the cast or declared attempt
occurred.

Attribute every cast to its in-world caster. Map first-person player speech to
the associated player character, and attribute a spell narrated by the GM to
the in-world creature that casts it. If the caster cannot be resolved, use only
the most specific in-world identity supported by the transcript; do not invent
a name.
