webg-spec-to-goal — Vague Game Idea → Complete Codex /goal Project

Turn a rough web game idea into a runnable Phaser 3 project scaffold plus every goal folder Codex /goal needs to build it autonomously:

my-game/
├── AGENTS.md
├── goals-plan.md
├── goals/
│   ├── 00-foundation/    GOAL.md  VERIFY.md  PROGRESS.md
│   ├── 01-core-mechanic/ GOAL.md  VERIFY.md  PROGRESS.md
│   ├── ...
│   └── NN-polish/        GOAL.md  VERIFY.md  PROGRESS.md
├── src/                  runnable game skeleton
├── tests/                Playwright config + helpers
└── public/               assets directories

Games naturally decompose into 5-8 goals following a universal build order. This skill generates all goals at once — no checkpoint between plan and generation.