Add D-023 through D-029 context (content architecture, NPC generation,
social sites, simulation tiers, vertical slice, dialogue, population
ratios) to all 18 agent briefings. Core workshop participants get
detailed action items; specialist/infrastructure agents get relevant
implications. Mellanie activated from standby for content authoring.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>