# REQ-MIG-003: Python PyPI Deprecation

## Metadata
- **Category**: MIGRATION
- **Subcategory**: Deprecation
- **Priority**: HIGH
- **Phase**: 21
- **Status**: MISSING
- **Effort**: 1.5 weeks
- **Dependencies**: REQ-MIG-002

## Requirement

Python rtmx PyPI package shall be deprecated to a minimal pytest plugin. Full CLI removed; package retains only marker registration and JSON test output.
