diff --git a/.claude/skills/skd-edit/scripts/skd-edit.ps1 b/.claude/skills/skd-edit/scripts/skd-edit.ps1
index e635c65a..7ae894a2 100644
--- a/.claude/skills/skd-edit/scripts/skd-edit.ps1
+++ b/.claude/skills/skd-edit/scripts/skd-edit.ps1
@@ -1,5 +1,6 @@
-# skd-edit v1.27 — Atomic 1C DCS editor
+# skd-edit v1.28 — Atomic 1C DCS editor
 # Source: https://github.com/Nikolay-Shirokov/cc-1c-skills
+# NB: парный .py собирает выражения автодат вне f-string ради совместимости с python 3.9 (PEP 701).
 param(
 	[Parameter(Mandatory)]
 	[Alias('Path')]
diff --git a/.claude/skills/skd-edit/scripts/skd-edit.py b/.claude/skills/skd-edit/scripts/skd-edit.py
index 298934df..f281a849 100644
--- a/.claude/skills/skd-edit/scripts/skd-edit.py
+++ b/.claude/skills/skd-edit/scripts/skd-edit.py
@@ -1,4 +1,4 @@
-# skd-edit v1.27 — Atomic 1C DCS editor (Python port)
+# skd-edit v1.28 — Atomic 1C DCS editor (Python port)
 # Source: https://github.com/Nikolay-Shirokov/cc-1c-skills
 import argparse
 import json
@@ -1244,6 +1244,9 @@ def build_param_fragment(parsed, indent):
     if parsed.get("autoDates"):
         param_name = parsed["name"]
         # Canonical БСП pattern: title + valueType + value + useRestriction + expression
+        # NB: expr автодат собираем в переменную (не в f-string): бэкслеш в \uXXXX
+        # внутри {} f-строки — SyntaxError на python < 3.12 (PEP 701). Совместимость с 3.9.
+        expr_start = esc_xml('&' + param_name + '.\u0414\u0430\u0442\u0430\u041d\u0430\u0447\u0430\u043b\u0430')
         b_lines = [
             f"{i}<parameter>",
             f"{i}\t<name>\u0414\u0430\u0442\u0430\u041d\u0430\u0447\u0430\u043b\u0430</name>",
@@ -1253,11 +1256,12 @@ def build_param_fragment(parsed, indent):
             f"{i}\t</valueType>",
             f'{i}\t<value xsi:type="xs:dateTime">0001-01-01T00:00:00</value>',
             f"{i}\t<useRestriction>true</useRestriction>",
-            f"{i}\t<expression>{esc_xml('&' + param_name + '.\u0414\u0430\u0442\u0430\u041d\u0430\u0447\u0430\u043b\u0430')}</expression>",
+            f"{i}\t<expression>{expr_start}</expression>",
             f"{i}</parameter>",
         ]
         fragments.append("\n".join(b_lines))
 
+        expr_end = esc_xml('&' + param_name + '.\u0414\u0430\u0442\u0430\u041e\u043a\u043e\u043d\u0447\u0430\u043d\u0438\u044f')
         e_lines = [
             f"{i}<parameter>",
             f"{i}\t<name>\u0414\u0430\u0442\u0430\u041e\u043a\u043e\u043d\u0447\u0430\u043d\u0438\u044f</name>",
@@ -1267,7 +1271,7 @@ def build_param_fragment(parsed, indent):
             f"{i}\t</valueType>",
             f'{i}\t<value xsi:type="xs:dateTime">0001-01-01T00:00:00</value>',
             f"{i}\t<useRestriction>true</useRestriction>",
-            f"{i}\t<expression>{esc_xml('&' + param_name + '.\u0414\u0430\u0442\u0430\u041e\u043a\u043e\u043d\u0447\u0430\u043d\u0438\u044f')}</expression>",
+            f"{i}\t<expression>{expr_end}</expression>",
             f"{i}</parameter>",
         ]
         fragments.append("\n".join(e_lines))