# YSD-0134 — First original-project concept systems and warnings

- **Status:** approved (2026-07-18)
- **Priority:** P0 EXT — blocking (production rollout gated via YSD-0139)
- **Decision owner:** @GreyChimp
- **Drafted:** 2026-07-18 by Claude Code (claude-fable-5)
- **Approval:** approved as recommended by @GreyChimp on 2026-07-18; outcome
  recorded in decision-log.json; review by 2027-07-18

## Question

Which original-concept systems ship first, and which warnings?

## Recommendation

Character concept systems first, world/environment second (persona §6.4 demand
plus Aglaea/Hathor readiness), with camera/narrative/sound/mechanic systems
following. Ship concentration, diversity, consistency, missing-perspective, and
over-specificity warnings — all advisory (YSD-4038) — from the first release of
the inspiration workspace.

## Options considered

- Mechanic systems first — deferred: depends on game-study phase maturity.
- No warnings at launch — rejected: the warnings are the originality safety net
  for transfer (YSD-4034).

## Consequences

- Section 13 original-concept items sequence accordingly; YSD-22012 proves the
  concept system end to end.

## Machine-enforced outcome (once approved)

Concept-kind registry gates enabled kinds; warning computations are inspectable
per YSD-4033/4034.