CLI tool to preview monologue/dialogue line selection for a given game
state. 4 subcommands: dialogue (D-028 4-layer pipeline), monologue
(trigger + prerequisite evaluation), coverage (dead conversation
detection), sequence (walk-through simulation). Authoring tool for
content team — tests line trigger logic without running the full game.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
