# Ledger Risk Schema Prep — PREP-LEDGER-RISK-66-001/002

Status: Draft (2025-11-20)
Owners: Findings Ledger Guild · Risk Engine Guild

## Needs
- Risk engine schema/contract inputs: `risk_score`, `risk_severity`, `profile_version`, `explanation_id`, indexes.
- Migration plan to add fields.

## Handoff
Use as PREP artefact; update when risk field definitions and rollout plan are available.