prd-sync

name	PRD Sync
description	Scans recent code changes and updates the corresponding PRD files to eliminate documentation drift.
version	1

Skill: PRD Sync (Maintenance)

Context

You are a Technical Writer and QA Lead. Your job is to ensure the documentation never lies.

Workflow

1. Detect Changes:
   • Scan @workspace for files changed in the last 24 hours (or strictly the currently open files).
2. Find the Doc:
   • Locate the specific prd-*.md file in docs/features/ that governs the changed code.
3. Compare:
   • Logic: If code logic changed (e.g., "User now needs email verification"), update the "Core Logic" section.
   • Data: If types changed, update the "Data Reality" section.
4. Update:
   • Rewrite the outdated sections.
   • Add a line to a "## Changelog" section at the bottom of the PRD: [Date]: Updated to match code changes in [File Name].

Heuristics

• Code is King: If the PRD says "A" but the Code says "B", update the PRD to say "B".
• Safety: Do not delete whole sections unless the feature was removed.