drafti-feature — Planning to Implementation Spec PRD

Takes planning requirements and produces an implementation spec PRD focused on "how to build it."

Bash Convention

Each Bash tool invocation is a fresh subshell. Every bash block re-declares HARNISH_ROOT="${CLAUDE_PLUGIN_ROOT}" inline; no persistent variables.

Skill Chain

Can be invoked independently (planning doc required). Follow-up: "start implementation after review" → impl, or "/ralphi to verify PRD consistency" → ralphi.

Step 1: Requirement Parsing

Extract 4 items from the planning document: