PRD to Slices

Break a PRD into independently-grabbable vertical slices. Each slice gets a backlog task, implementation plan, and test plan — all in the wiki, zero API calls.

Process

1. Locate the PRD

The PRD should already exist in the wiki at projects/<project>/specs/prds/PRD-*.md.

If the user points to a GitHub issue or external doc and there is no vault PRD yet, stop this skill and route back to /forge — the PRD must exist before slicing can begin. See forge SKILL.md for the full pipeline.

This skill decomposes an approved PRD. It does not replace the earlier forge steps.

2. Explore the codebase