- Banned Mechanics table enumerates 17 banned patterns (gacha, lootboxes,
narrative gating, daily login, streaks, limited-time, energy/stamina,
rewarded ads, push notifications, loss-aversion copy, countdown timers,
Season skipping, time-skip purchases, hint systems, mobile nag UX, etc.)
- Allowed Engagement section names the 4 affordances that respect presence
rather than demand it (Memory Storm opt-in, while-you-were-away letter,
tab-title bloom indicator, Season-transition save-export reminder)
- Review Checklist provides 3 questions for every UX/copy/monetization change
- Source Documents section cites PROJECT.md, REQUIREMENTS.md, CLAUDE.md,
.planning/research/PITFALLS.md
- Per CONTEXT D-07: doctrine is enforced by review, NOT by lint rule on UX
strings (the doc explicitly notes this and proposes no lint rule)
- Per CONTEXT D-09: lives in .planning/ alongside other internal design docs
