- Fix LootTable.GuaranteedRolls type (int -> List<string>) to match JSON schema
- Fix BoxEngine guaranteed rolls to iterate item IDs directly
- Fix BoxEngine resource condition evaluation for "any" targetId
- Make ItemDefinition.DescriptionKey optional
- Fix font meta item nameKeys to use proper localization keys
- Add 43 xUnit content validation tests (deserialization, cross-refs, localization)
- Add self-contained single-file publish via publish.ps1
- Update README with distribute and test sections
