Scaffold stateful agent skills

Scaffold advanced stateful skill with L4 state/lifecycle patterns

Building multi-step orchestration skills that maintain state across invocations and explicit escalation gates

• · skill name
• · L4 pattern selections (state management, lifecycle, chaining, escalation)

• · SKILL.md with state schema
• · lifecycle artifact templates
• · chained command definitions

• · state management framework
• · escalation taxonomy

L4 patterns enumerated; state schema designed

• · simple skill wrongly scoped (recommend create-skill instead)
• · state schema incomplete

• · L4 pattern library
• · lifecycle checkpoint design
• · stateful scaffolding templates