- Update pyproject.toml version from 1.51.0 to 1.52.0
- Reformat string quotes from single to double in autonomous mode extraction
- Reformat tool_results list construction and __all__ exports with consistent indentation
- Remove unused imports (time, uuid) and Spinner from assistant module
- Reformat knowledge_context search results and graph_memory dataclass definitions
- Fix missing space in KnowledgeEntry __str__ method's default parameter
- Replace all `from pr.*` import paths with `from rp.*` across 14 test files
- Update version from 1.14.0 to 1.15.0 in pyproject.toml
- Add changelog entry documenting the removal of deprecated code paths
