v2.3.0

Added

• High-level backup() and restore() helpers wrapping JSONL/CSV workflows
• MkDocs documentation scaffold with API reference, operations playbook, and migration guide
• Backup/restore coverage in the integration test suite

Fixed

• Enforced embedding dimension validation across add/update/search operations
• import_from_json() and import_from_csv() now respect skip_duplicates and emit clear errors when embeddings are missing

Documentation

• New migration guide outlining v2.3.0 changes
• Expanded README with backup helper examples and coverage instructions
• Requirements updated with MkDocs to build the documentation locally

CI

• Pytest coverage step now generates XML output and uploads coverage.xml as a GitHub Actions artifact