Skill: promote-to-prd

Trigger

Use this skill when the user says:

• "turn this idea into a PRD"
• "promote idea"
• "promote to PRD"
• invokes /promote-to-prd

Purpose

Run an interview-style conversation to gather enough detail, then generate a formal PRD under docs/planning/prds/. This is stage 2 of the planning pipeline.

Output

• Creates: docs/planning/prds/NNN-slug.md
• Updates: source idea file's prd: and status: accepted fields