GameDesignPillars_v1

Authors a tangible Game Pillar set that becomes the design's strong base, then exposes a re-runnable evaluator that checks any proposed mechanic, system, or content change against the active pillars. Implements the canonical pillar gate flow: means-feasibility, pre/in/post-play impact, set-level originality, plus the bad-pillar bans (no empty words, no tasks-as-pillars, no technical concepts, no single-word pillars, no toxic sayings). Cognitive-only. Species-agnostic; pairs naturally with GameDesignConcepting_v1.