skill-philosophy-validator
Validates skill design against five core principles. Trigger after a SKILL.md file is created, written, edited, modified, or optimized. Also trigger when user asks to "validate skill", "check skill design", "review skill quality", "optimize skill", "improve skill", "update skill", "refine skill", "优化 skill", "改进 skill", "更新 skill", "修改 skill", "验证 skill", "检查 skill 设计", "审查 skill 质量". Do NOT trigger when the user is merely reading or viewing a SKILL.md without making changes.