Concepts

Understand the ideas behind PM Skills — what agent skills are, how they're structured, and how they evolve.

Topic	Description
Skill Anatomy	How skills are structured: SKILL.md, TEMPLATE.md, EXAMPLE.md
Agent Skill Anatomy	The three-layer model for any agent skill
Skill Lifecycle	Create, Validate, Iterate — how skills evolve
The Triple Diamond	The framework organizing skills into 6 phases