fix(ludic.npc): the facts' records and the queue's lists made at their size at the start (64), so a frame with a new peak of facts makes nothing

The fence found np_fact_record making a record in five frames of every scenario: the pool grew to
each new peak of facts held at once, and q_unheld's free list and the queue's two lists grew with it.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

packages/ludic.npc/index.ludic

@@ -4,6 +4,7 @@ module ludic_npc uses ludic_base
 numbers float
 import "ludic.base"
 import "defs.ludic"
+import "pool.ludic"
 import "person.ludic"
 import "port.ludic"
 import "ground.ludic"