import { sha256 } from '@noble/hashes/sha2.js';

/**
 * Synchronous SHA-256 — required because every Merkle hash composes
 * many leaf/node hashes and an async API would force callers into
 * promise chains for hot paths. `@noble/hashes` is the same dependency
 * used elsewhere in the workspace (see `@shade/files`,
 * `@shade/observability`).
 */
export function sha256Sync(data: Uint8Array): Uint8Array {
  return sha256(data);
}