diff --git a/.claude/skills/cfe-diff/scripts/cfe-diff.ps1 b/.claude/skills/cfe-diff/scripts/cfe-diff.ps1
index e2c788072..17da7d30b 100644
--- a/.claude/skills/cfe-diff/scripts/cfe-diff.ps1
+++ b/.claude/skills/cfe-diff/scripts/cfe-diff.ps1
@@ -172,7 +172,9 @@ function Get-BslKeywords {
 			Func="Функция"; EndFunc="КонецФункции"; Val="Знач"
 			Region="Область"; EndRegion="КонецОбласти"
 			If="Если"; Then="Тогда"; ElsIf="ИначеЕсли"; Else="Иначе"; EndIf="КонецЕсли"
-			And="И"; Not="НЕ"
+			# Platform spells the negation "Не"; we emit "НЕ" as this skill always has —
+			# the language is case-insensitive, and the lower case would churn every snapshot.
+			And="И"; Or="Или"; Not="НЕ"
 			Insert="Вставка"; EndInsert="КонецВставки"; Delete="Удаление"; EndDelete="КонецУдаления"
 			Before="Перед"; After="После"; Around="Вместо"; Control="ИзменениеИКонтроль"
 			Proceed="ПродолжитьВызов"; Return="Возврат"
@@ -186,7 +188,7 @@ function Get-BslKeywords {
 			Func="Function"; EndFunc="EndFunction"; Val="Val"
 			Region="Region"; EndRegion="EndRegion"
 			If="If"; Then="Then"; ElsIf="ElsIf"; Else="Else"; EndIf="EndIf"
-			And="And"; Not="Not"
+			And="And"; Or="Or"; Not="Not"
 			Insert="Insert"; EndInsert="EndInsert"; Delete="Delete"; EndDelete="EndDelete"
 			Before="Before"; After="After"; Around="Around"; Control="ChangeAndValidate"
 			Proceed="ProceedWithCall"; Return="Return"
diff --git a/.claude/skills/cfe-diff/scripts/cfe-diff.py b/.claude/skills/cfe-diff/scripts/cfe-diff.py
index 276673bae..10aee095a 100644
--- a/.claude/skills/cfe-diff/scripts/cfe-diff.py
+++ b/.claude/skills/cfe-diff/scripts/cfe-diff.py
@@ -175,7 +175,9 @@ def bsl_keywords():
             "Func": "Функция", "EndFunc": "КонецФункции", "Val": "Знач",
             "Region": "Область", "EndRegion": "КонецОбласти",
             "If": "Если", "Then": "Тогда", "ElsIf": "ИначеЕсли", "Else": "Иначе", "EndIf": "КонецЕсли",
-            "And": "И", "Not": "НЕ",
+            # Platform spells the negation "Не"; we emit "НЕ" as this skill always has —
+            # the language is case-insensitive, and the lower case would churn every snapshot.
+            "And": "И", "Or": "Или", "Not": "НЕ",
             "Insert": "Вставка", "EndInsert": "КонецВставки", "Delete": "Удаление", "EndDelete": "КонецУдаления",
             "Before": "Перед", "After": "После", "Around": "Вместо", "Control": "ИзменениеИКонтроль",
             "Proceed": "ПродолжитьВызов", "Return": "Возврат",
@@ -189,7 +191,7 @@ def bsl_keywords():
             "Func": "Function", "EndFunc": "EndFunction", "Val": "Val",
             "Region": "Region", "EndRegion": "EndRegion",
             "If": "If", "Then": "Then", "ElsIf": "ElsIf", "Else": "Else", "EndIf": "EndIf",
-            "And": "And", "Not": "Not",
+            "And": "And", "Or": "Or", "Not": "Not",
             "Insert": "Insert", "EndInsert": "EndInsert", "Delete": "Delete", "EndDelete": "EndDelete",
             "Before": "Before", "After": "After", "Around": "Around", "Control": "ChangeAndValidate",
             "Proceed": "ProceedWithCall", "Return": "Return",
diff --git a/.claude/skills/cfe-patch-method/scripts/cfe-patch-method.ps1 b/.claude/skills/cfe-patch-method/scripts/cfe-patch-method.ps1
index 731c3b256..ed716b8ea 100644
--- a/.claude/skills/cfe-patch-method/scripts/cfe-patch-method.ps1
+++ b/.claude/skills/cfe-patch-method/scripts/cfe-patch-method.ps1
@@ -69,7 +69,9 @@ function Get-BslKeywords {
 			Func="Функция"; EndFunc="КонецФункции"; Val="Знач"
 			Region="Область"; EndRegion="КонецОбласти"
 			If="Если"; Then="Тогда"; ElsIf="ИначеЕсли"; Else="Иначе"; EndIf="КонецЕсли"
-			And="И"; Not="НЕ"
+			# Platform spells the negation "Не"; we emit "НЕ" as this skill always has —
+			# the language is case-insensitive, and the lower case would churn every snapshot.
+			And="И"; Or="Или"; Not="НЕ"
 			Insert="Вставка"; EndInsert="КонецВставки"; Delete="Удаление"; EndDelete="КонецУдаления"
 			Before="Перед"; After="После"; Around="Вместо"; Control="ИзменениеИКонтроль"
 			Proceed="ПродолжитьВызов"; Return="Возврат"
@@ -83,7 +85,7 @@ function Get-BslKeywords {
 			Func="Function"; EndFunc="EndFunction"; Val="Val"
 			Region="Region"; EndRegion="EndRegion"
 			If="If"; Then="Then"; ElsIf="ElsIf"; Else="Else"; EndIf="EndIf"
-			And="And"; Not="Not"
+			And="And"; Or="Or"; Not="Not"
 			Insert="Insert"; EndInsert="EndInsert"; Delete="Delete"; EndDelete="EndDelete"
 			Before="Before"; After="After"; Around="Around"; Control="ChangeAndValidate"
 			Proceed="ProceedWithCall"; Return="Return"
diff --git a/.claude/skills/cfe-patch-method/scripts/cfe-patch-method.py b/.claude/skills/cfe-patch-method/scripts/cfe-patch-method.py
index 28f05bf34..6f2c67d67 100644
--- a/.claude/skills/cfe-patch-method/scripts/cfe-patch-method.py
+++ b/.claude/skills/cfe-patch-method/scripts/cfe-patch-method.py
@@ -88,7 +88,9 @@ def bsl_keywords():
             "Func": "Функция", "EndFunc": "КонецФункции", "Val": "Знач",
             "Region": "Область", "EndRegion": "КонецОбласти",
             "If": "Если", "Then": "Тогда", "ElsIf": "ИначеЕсли", "Else": "Иначе", "EndIf": "КонецЕсли",
-            "And": "И", "Not": "НЕ",
+            # Platform spells the negation "Не"; we emit "НЕ" as this skill always has —
+            # the language is case-insensitive, and the lower case would churn every snapshot.
+            "And": "И", "Or": "Или", "Not": "НЕ",
             "Insert": "Вставка", "EndInsert": "КонецВставки", "Delete": "Удаление", "EndDelete": "КонецУдаления",
             "Before": "Перед", "After": "После", "Around": "Вместо", "Control": "ИзменениеИКонтроль",
             "Proceed": "ПродолжитьВызов", "Return": "Возврат",
@@ -102,7 +104,7 @@ def bsl_keywords():
             "Func": "Function", "EndFunc": "EndFunction", "Val": "Val",
             "Region": "Region", "EndRegion": "EndRegion",
             "If": "If", "Then": "Then", "ElsIf": "ElsIf", "Else": "Else", "EndIf": "EndIf",
-            "And": "And", "Not": "Not",
+            "And": "And", "Or": "Or", "Not": "Not",
             "Insert": "Insert", "EndInsert": "EndInsert", "Delete": "Delete", "EndDelete": "EndDelete",
             "Before": "Before", "After": "After", "Around": "Around", "Control": "ChangeAndValidate",
             "Proceed": "ProceedWithCall", "Return": "Return",
diff --git a/.claude/skills/cfe-validate/scripts/cfe-validate.ps1 b/.claude/skills/cfe-validate/scripts/cfe-validate.ps1
index 5881117b4..c489e2fe4 100644
--- a/.claude/skills/cfe-validate/scripts/cfe-validate.ps1
+++ b/.claude/skills/cfe-validate/scripts/cfe-validate.ps1
@@ -1309,7 +1309,9 @@ function Get-BslKeywords {
 			Func="Функция"; EndFunc="КонецФункции"; Val="Знач"
 			Region="Область"; EndRegion="КонецОбласти"
 			If="Если"; Then="Тогда"; ElsIf="ИначеЕсли"; Else="Иначе"; EndIf="КонецЕсли"
-			And="И"; Not="НЕ"
+			# Platform spells the negation "Не"; we emit "НЕ" as this skill always has —
+			# the language is case-insensitive, and the lower case would churn every snapshot.
+			And="И"; Or="Или"; Not="НЕ"
 			Insert="Вставка"; EndInsert="КонецВставки"; Delete="Удаление"; EndDelete="КонецУдаления"
 			Before="Перед"; After="После"; Around="Вместо"; Control="ИзменениеИКонтроль"
 			Proceed="ПродолжитьВызов"; Return="Возврат"
@@ -1323,7 +1325,7 @@ function Get-BslKeywords {
 			Func="Function"; EndFunc="EndFunction"; Val="Val"
 			Region="Region"; EndRegion="EndRegion"
 			If="If"; Then="Then"; ElsIf="ElsIf"; Else="Else"; EndIf="EndIf"
-			And="And"; Not="Not"
+			And="And"; Or="Or"; Not="Not"
 			Insert="Insert"; EndInsert="EndInsert"; Delete="Delete"; EndDelete="EndDelete"
 			Before="Before"; After="After"; Around="Around"; Control="ChangeAndValidate"
 			Proceed="ProceedWithCall"; Return="Return"
diff --git a/.claude/skills/cfe-validate/scripts/cfe-validate.py b/.claude/skills/cfe-validate/scripts/cfe-validate.py
index 5317486e3..86f0e9d1e 100644
--- a/.claude/skills/cfe-validate/scripts/cfe-validate.py
+++ b/.claude/skills/cfe-validate/scripts/cfe-validate.py
@@ -37,7 +37,9 @@ def bsl_keywords():
             "Func": "Функция", "EndFunc": "КонецФункции", "Val": "Знач",
             "Region": "Область", "EndRegion": "КонецОбласти",
             "If": "Если", "Then": "Тогда", "ElsIf": "ИначеЕсли", "Else": "Иначе", "EndIf": "КонецЕсли",
-            "And": "И", "Not": "НЕ",
+            # Platform spells the negation "Не"; we emit "НЕ" as this skill always has —
+            # the language is case-insensitive, and the lower case would churn every snapshot.
+            "And": "И", "Or": "Или", "Not": "НЕ",
             "Insert": "Вставка", "EndInsert": "КонецВставки", "Delete": "Удаление", "EndDelete": "КонецУдаления",
             "Before": "Перед", "After": "После", "Around": "Вместо", "Control": "ИзменениеИКонтроль",
             "Proceed": "ПродолжитьВызов", "Return": "Возврат",
@@ -51,7 +53,7 @@ def bsl_keywords():
             "Func": "Function", "EndFunc": "EndFunction", "Val": "Val",
             "Region": "Region", "EndRegion": "EndRegion",
             "If": "If", "Then": "Then", "ElsIf": "ElsIf", "Else": "Else", "EndIf": "EndIf",
-            "And": "And", "Not": "Not",
+            "And": "And", "Or": "Or", "Not": "Not",
             "Insert": "Insert", "EndInsert": "EndInsert", "Delete": "Delete", "EndDelete": "EndDelete",
             "Before": "Before", "After": "After", "Around": "Around", "Control": "ChangeAndValidate",
             "Proceed": "ProceedWithCall", "Return": "Return",