fix: repair audit patch escape preprocessor

tools/fix_audit_patch_escapes.py

@@ -0,0 +1,22 @@
+#!/usr/bin/env python3
+"""Repair string escapes inside the temporary audit patch script before running it.
+
+The patch script embeds Python source inside triple-quoted strings. Source snippets
+that should generate literal backslash-n in grok_register_ttk.py must therefore
+use double escaping in this script.
+"""
+from pathlib import Path
+
+path = Path(__file__).resolve().parent / "apply_audit_fixes.py"
+text = path.read_text(encoding="utf-8")
+
+replacements = {
+    'f.write("\\n")': 'f.write("\\\\n")',
+    'line = f"{email}----{password or \'\'}----{sso}\\n"': 'line = f"{email}----{password or \'\'}----{sso}\\\\n"',
+}
+
+for old, new in replacements.items():
+    text = text.replace(old, new)
+
+path.write_text(text, encoding="utf-8")
+print("audit patch escapes repaired")