Plans ordered milestone handoff slices in gat/milestone/milestone.md and authors per-milestone brief skeletons, for downstream engineering workflows.
$curl -o .claude/agents/gat-planner.md https://raw.githubusercontent.com/yuki001/game-dev-skills/HEAD/gat/.claude/agents/gat-planner.mdInstalls into the current project.
Install gat-planner by running `curl -o .claude/agents/gat-planner.md https://raw.githubusercontent.com/yuki001/game-dev-skills/HEAD/gat/.claude/agents/gat-planner.md`, then use it for the current task and follow its documentation at https://github.com/yuki001/game-dev-skills.