Agent-Skills.md

Agent Skills: Lifecycle Core

Enforces the six-step lifecycle with mandatory checkpoints and transition criteria.

coreID: duck4nh/antigravity-kit/core-lifecycle

Repository

duck4nh/antigravity-kit
duck4nh
162

Install this agent skill to your local

pnpm dlx add-skill https://github.com/duck4nh/antigravity-kit/tree/HEAD/templates/.codex/skills/core-lifecycle

Skill Files

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templates/.codex/skills/core-lifecycle/SKILL.md

Skill Metadata

Name
core-lifecycle
Description
Enforces the six-step lifecycle with mandatory checkpoints and transition criteria.

Lifecycle Core

Flow

VISION -> CONTEXT -> BLUEPRINT -> CONTRACT -> BUILD -> REFINE

Transition Rules

  • 1->2: vision proposed with layout/style/stack.
  • 2->3: context captured and applied.
  • 3->4: blueprint approved and frozen.
  • 4->5: contract confirmed and scope locked.
  • 5->6: build runs and core functionality works.

Block Conditions

  • Missing approval at any checkpoint.
  • Major change request after blueprint freeze.

Required Outputs

  • Stage summary and next allowed action.