import * as P from "effect/Predicate"; export function deepMerge<T>(current: T, patch: unknown): T {  if (    !P.isObject(current) ||    !P.isObject(patch) ||    Array.isArray(current) ||    Array.isArray(patch)  ) {    return patch as T;  }   const next = { ...current } as Record<string, unknown>;  for (const [key, value] of Object.entries(patch)) {    if (value === undefined) continue;     const existing = next[key];    next[key] =      P.isObject(existing) && P.isObject(value) && !Array.isArray(existing) && !Array.isArray(value)        ? deepMerge(existing, value)        : value;  }   return next as T;}