v0.4.9 - 2026-05-22: Added versioning, soft delete, and search scoring improvements

[0.4.9] - 2026-05-22

Added

• Entry versioning support.
• Soft delete support for entries.

Changed

• Search scoring now includes stronger token and tag boosting.
• Delete operations now preserve entries through soft delete instead of removing them outright.

Fixed

• Search relevance is improved for exact token and tag matches.