What I was trying
Whether the whole game could come back from the mod's source with the mechanics intact. Seven races, ten classes, four elements, six stats rolled 4d6 drop lowest, turn-based combat, shops with a d20 thief roll and a jail for when it fails, a vault paying 4% a day, a three-stock market, and mining, stonecutting, forging and enchanting in the town. The formulas live in a shared package so the server and the client agree on every roll. The full build has an Express and SQLite backend with chat and a character browser; this embed swaps it for a localStorage stand-in so nothing needs a server.
Where it stalled
It is a faithful port, which means it is a 2005 game: numbers in boxes and a battle log. No art, no sound, and the multiplayer parts, chat, giving items, fighting other players, go quiet with one person in one browser.