remove dead normalisePeachScript export and its test (audit SA-04)

@@ -3,7 +3,6 @@33   decodePeachScript,44   encodePeachScript,55   isPeachScript,6-  normalisePeachScript,76 } from "./peachScript";87 import { IMPORT_LIMITS } from "../shared/import-limits";98 @@ -114,12 +113,6 @@114113     const payload = crypto.getRandomValues(new Uint8Array(2048));115114     const decoded = decodePeachScript(encodePeachScript(payload));116115     expect(decoded).toEqual(payload);117-  });118-119-  test("normalisePeachScript strips whitespace", () => {120-    const encoded = encodePeachScript(new Uint8Array([1, 2, 3, 4]));121-    const wrapped = encoded.slice(0, 2) + "\n  " + encoded.slice(2);122-    expect(normalisePeachScript(wrapped)).toBe(encoded);123116   });124117 125118   test("isPeachScript accepts only PUA strings", () => {

@@ -149,13 +149,6 @@149149   return scanPeachScript(str, true);150150 }151151 152-/** Strip whitespace from a PeachScript string before decoding.153- * Kept for backward compatibility; decodePeachScript now skips whitespace154- * internally (PB-26-208), so callers no longer need to pre-normalise. */155-export function normalisePeachScript(str: string): string {156-  return str.replace(/\s+/g, "");157-}158-159152 /**160153  * Cheap pre-flight: every non-whitespace char must be in the PUA range and161154  * the string must be non-empty. Uses the same bounded scanner as decode so