Breaking Changes
encodeLevel2Data now returns RawBytes instead of { dataFormat: string; data: Uint8Array } and requires a format parameter (e.g. "U2"). This aligns it with encodeLevel1Data for bit-precise signature reproducibility.encodeLevel2SignedData now accepts RawBytes for its level2Data option instead of { dataFormat: string; data: Uint8Array }.
Migration
-const l2 = encodeLevel2Data(level2Data);
-console.log(l2.dataFormat); // no longer available
+const l2 = encodeLevel2Data(level2Data, 'U2');
console.log(l2.data); // still works — Uint8Array
