sha256Hex (utils/hash.ts)

Provides SHA-256 hashing utilities for strings, buffers, and JSON values.

// Source: https://github.com/first-fluke/oh-my-agent | License: MIT | Copyright 2026 Eunkwang Shin, Gahyun Kim
// Provided via justclaw.it.com; keep this notice with the code.
import { createHash } from "node:crypto";

/** Full SHA-256 hex digest of string or binary content. */
export function sha256Hex(
  value: string | Buffer,
  encoding?: BufferEncoding,
): string {
  const hash = createHash("sha256");
  if (typeof value === "string") {
    hash.update(value, encoding ?? "utf-8");
  } else {
    hash.update(value);
  }
  return hash.digest("hex");
}

/** First 16 hex chars of SHA-256 over JSON-serialized value (stable for plain objects/arrays). */
export function shortHash(value: unknown): string {
  return createHash("sha256")
    .update(JSON.stringify(value))
    .digest("hex")
   

... (truncated -- full source via MCP)