What the source shows
The partner demonstration combines speech, characters and a detective scenario. The claim is an interactive route through information and choices, not merely more varied lines of dialogue.
Supporting documentation (opens in a new tab)What to take into your own work
Useful NPCs need boundaries: what each character knows, what they may reveal and how a conversation changes the game state. Test whether a clever prompt can bypass those rules.
What this does not establish
This is a historical technology demonstration. The source’s future source-code plans are not treated here as a completed release or a production deployment.