EmakiStrengthen | Equipment Star Strengthening

Added

• Public Bukkit events StrengthenPreAttemptEvent (cancellable, success-rate editable) and StrengthenAttemptEvent.
• JavaScript extensions for strengthen success-rate rules and result hooks.
• Config precheck on startup and reload.

Fixed

• Fixed a crash when opening the strengthen GUI with empty material slots.
• Fixed suffixed strengthen names flattening localized base item names.

Notes

• Legacy compatibility fields are consolidated (es_skills, stars); migrate older formats if still in use.