PRD to Plan

Break a PRD into a phased implementation plan using vertical slices (tracer bullets). Output is a Markdown file in the project's plans directory.

Process

1. Resolve PRD source and GitHub availability

Determine where the PRD content comes from and whether this invocation will publish to GitHub.

Step 1a — Detect GitHub availability (cheap, run once):

• git remote get-url origin — if no output or the URL is not github.com, GH integration is unavailable (pure local mode)
• If a GH remote exists, gh auth status — if not authenticated, GH integration is unavailable

Capture <org>/<repo> from the remote URL for later use.

Step 1b — Resolve PRD source by precedence: