Function hasBinaryMagic

src/utils/binary.ts:26–36

(buf: Buffer)

];

function hasBinaryMagic(buf: Buffer): boolean {
  for (const sig of BINARY_MAGIC) {
    if (buf.length < sig.length) continue;
    let match = true;
    for (let i = 0; i < sig.length; i++) {
      if (buf[i] !== sig[i]) { match = false; break; }
    }
    if (match) return true;
  }
  return false;
}

export function isBinaryBuffer(buf: Buffer, sampleSize = 8000): boolean {
  if (buf.length === 0) return false;