---
phase: 87-closure-and-regression-audit
plan: 01
status: passed
requirements-completed:
  - REQ-VERIFY-01
---

# Phase 87 Verification

## Status

passed

## Verification Evidence

- schema-tree contract slice:
  - `python -m pytest research/knowledge-hub/tests/test_schema_tree_contracts.py -q`
  - result: `2 passed`
- compatibility regression slice:
  - `python -m pytest research/knowledge-hub/tests/test_phase6_protocols.py research/knowledge-hub/tests/test_schema_contracts.py -q`
  - result: `15 passed`
- full knowledge-hub suite:
  - `python -m pytest research/knowledge-hub/tests -q`
  - result: `329 passed, 10 subtests passed`
