#001item.js1 skills30updated 2026-07-03100% of creatorskilloccupationdescriptionupdateditem-jsweb-developersUse this skill whenever the user works with item.js — a reactive state library based on a tree of Item nodes with signals, effects, and proxy support. Trigger for: creating/reading/ writing Items, using effect(), proxy traps, async/promise state, event handling, custom subclasses, or debugging reactive code built with this library.2026-07-03