---
phase: 85-schema-mirror-baseline
plan: 01
type: execute
wave: 1
depends_on:
  - v1.50-milestone-close
files_modified:
  - research/knowledge-hub/tests/test_schema_tree_contracts.py
  - research/knowledge-hub/schemas/promotion-or-reject.schema.json
autonomous: true
requirements:
  - REQ-SCHEMA-01
  - REQ-SCHEMA-02
---

<objective>
Restore the runtime mirror for `promotion-or-reject.schema.json` and guard the
`follow_up_actions` contract against drift.
</objective>
