yw-skill-foundry

Use when creating, optimizing, reviewing, or extracting reusable Agent Skills, SKILL.md, AGENTS.md, prompts, or agent instructions; or when designing instruction architecture and evals. Triggers on 写/改/审查 skill, skill 质量, 提示词工程, 指令设计, create/optimize/review skill, prompt engineering, instruction design. Not for application code, multi-agent runtime architecture, general prose, or explanation/summary/translation requests that do not create or change instructions.