---
phase: 55-paired-backend-alignment-and-drift-audit
plan: 01
status: passed
requirements-completed:
  - REQ-BACKEND-01
  - REQ-BACKEND-02
  - REQ-VERIFY-01
---

# Phase 55 Verification

## Status

passed

## Verification Evidence

- red-green slice:
  - `python -m pytest research/knowledge-hub/tests/test_aitp_service.py research/knowledge-hub/tests/test_runtime_profiles_and_projections.py research/knowledge-hub/tests/test_aitp_cli.py -q`
  - result: `133 passed`
- targeted integrated slice:
  - `python -m pytest research/knowledge-hub/tests/test_aitp_service.py research/knowledge-hub/tests/test_aitp_cli.py research/knowledge-hub/tests/test_runtime_profiles_and_projections.py research/knowledge-hub/tests/test_schema_contracts.py -q`
  - result: `143 passed`
- full knowledge-hub suite:
  - `python -m pytest research/knowledge-hub/tests -q`
  - result: `259 passed, 10 subtests passed`

## Critical Gaps

- none

## Non-Critical Gaps

- automatic paired-backend rebuild or sync remains deferred
- broader docs/doctor parity closeout is deferred to later milestone phases
