Conciseness

The body is dense, non-pedagogical instruction with no concept explanations Claude already knows, but it restates the same guardrail three times (zero-match/fail-open handling in Phase 1a, Phase 1c, and the 'never shrinks the review set' repeats) and the ISO-date and NOT ASSESSED rationales run long. This fits anchor 3 ('mostly efficient but could be tightened') better than 4, where only minor trimming would be needed.

Actionability

Fully executable throughout: exact Grep patterns with flags and glob paths, a runnable scope script with a specified output contract, verbatim AskUserQuestion prompts and options, a copy-paste session-state block, and a complete report template. Phase checklists (2a-2f, 3a-3g) each include concrete output formats.

Workflow Clarity

Phases 1-7 are clearly sequenced with explicit validation checkpoints at every risky boundary: fail-open Summary handling, zero-match escalation to full reads, artifact-existence verification before treating a phase as done, NOT ASSESSED verdicts distinguishing unrun phases from clean ones, an error-recovery protocol with partial reports, and permission gates before any write. Feedback loops (fallback to full mode when PRIOR_REVIEW is NONE, retry with reduced scope) are explicit.

Progressive Disclosure

No bundle files exist (no references/, scripts/, or assets/), and the ~780-line SKILL.md inlines everything — detailed phase checklists, the full report template, and scenario walkthrough examples — where the rubric rationale expects SKILL.md to be an overview pointing to reference material. Section headers are clear, but content that clearly belongs in separate files is inlined (anchor 3); it is not score 2 because the structure is genuinely well-organized and navigable.

Specificity

Names the domain ("Holistic cross-GDD review") and five concrete finding types ("contradictions between systems, dominant strategies, economic imbalance, cognitive overload, pillar drift"), but relies on a single action verb rather than multiple distinct actions, matching anchor 4 rather than the comprehensive multi-action anchor 5.

Completeness

The "what" is clear (a holistic review finding five named issue classes), but there is no "Use when..." clause or equivalent explicit trigger guidance, which caps completeness at 3 per the judging guidelines; it is not score 2 because the "what" is concrete and specific.

Trigger Term Quality

Includes natural domain terms ("GDD", "review", "contradictions", "dominant strategies") but never expands GDD to "game design documents" and omits synonyms like "consistency" or "design review", so good coverage with a few natural terms missing (anchor 4) rather than comprehensive.

Distinctiveness Conflict Risk

"Holistic cross-GDD review" carves a clear niche and the issue list is distinctive, but the project's closely related /design-review skill overlaps, and the description alone does not fully disambiguate the two — mostly distinct with minor overlap risk (anchor 4), not a fully conflict-free niche.