Design specification for how evidence is presented differently per
archetype — detective case file (institutional, insert-assisted) vs
smuggler notebook (personal, unassisted). Covers item definitions,
knowledge graph presentation, contradiction markers, THE FRIEND
arc walkthroughs, systems interaction map, and authoring guidelines.
Sprint 7, ticket #443. Authored by Mellanie (copy), Paula (narrative),
Gestalt (systems).
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>