v1.4.0-beta.6

What's Changed

• Fix audited bugs and simplify the modifier system by @TheMarstonConnell in #51
• CI: run unit tests and in-world gametests by @TheMarstonConnell in #52
• Replace substring enchantment matching with datapack-editable tags by @TheMarstonConnell in #53
• Add anvil repair for Random Tools (datapack-editable repair materials) by @TheMarstonConnell in #54
• Regenerate wiki in CI and push doc updates back to PR branches by @TheMarstonConnell in #57
• Harden three quiet failure modes (trait wipe, loot-table matching, raw GLFW) by @TheMarstonConnell in #55
• Extract shared EffectModifier base; name remaining magic constants by @TheMarstonConnell in #56
• Localize tooltips and trait text; generate en_us.json from the registry by @TheMarstonConnell in #58

Full Changelog: v1.3.0...v1.4.0-beta.6