# Deprecation And Migration Plan

## Inventory And Ownership

- Deprecated surface and replacement:
- Affected consumers and accountable owner:
- Reason, semantic impact, and compatibility assessment:

## Migration

- Consumer-specific migration steps and support:
- Coexistence behavior and contract annotations/headers, if applicable:
- Communication channels and published artifacts:
- Telemetry and evidence-based sunset criteria:

## Rollout And Recovery

- Phased validation and decision points:
- Rollback or pause path, data/behavior reconciliation, and owner:
- Retirement decision, evidence, and post-retirement monitoring: