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Use when the user wants architecture-first product and system design with explicit stack rationale, boundaries, tradeoffs, data model choices, and phased delivery planning.
Codex または Claude でインストール この Prompt をコピーして Codex、Claude、または他のアシスタントに貼り付けると、Skill ページを確認してインストールできます。
SOC 職業分類に基づく
| name | arch |
| description | Use when the user wants architecture-first product and system design with explicit stack rationale, boundaries, tradeoffs, data model choices, and phased delivery planning. |
Use this skill inside Codex to turn a product idea into a concrete architecture brief.
Produce:
decision, status, evidence, blockers, next_allowed_triggers$sageUse when the user wants to decide whether implementation is ready, what remains blocked, and what the exact next build step should be.
Use when the user wants logic validation: states, transitions, invariants, edge cases, dead ends, and blockers before implementation.
Use when the user wants evidence-backed technology choices, OSS evaluation, and source-grounded validation of the stack proposed in `$arch`.
Use when the user wants a security and trust-boundary review of the current design before implementation or release.
Use when the user wants a DX and UX review of the planned workflow before implementation proceeds.
Use when the user needs scope alignment, shared language, or docs clarity before or between gated lanes.