🔧 Replacing Lodash with Native ES2026: groupBy, fromAsync, toReversed, and 5 More

Lodash adds about 70KB minified, ES2026 covers most utility uses with zero dependencies
Object.groupBy and Map.groupBy replace _.groupBy and ship in every modern runtime
Array.fromAsync, toReversed, toSorted, and toSpliced cover async iteration and immutable transforms
structuredClone, Object.hasOwn, Array#findLast, Promise.withResolvers, and...