🔧 chore(cpp): align conventions and formatter config

templates/cpp/.clang-format

@@ -4,6 +4,7 @@ BasedOnStyle: Google
 
 # Keep consistent with the repo-wide 100 char guidance (adjust per-project if needed).
 ColumnLimit: 100
+IndentWidth: 4
 
 AccessModifierOffset: -4
 AlignEscapedNewlines: Left
@@ -37,11 +38,10 @@ IncludeCategories:
 KeepEmptyLinesAtTheStartOfBlocks: false
 MacroBlockBegin: "BEGIN_TEST_METHOD_PROPERTIES|BEGIN_MODULE|BEGIN_TEST_CLASS|BEGIN_TEST_METHOD"
 MacroBlockEnd: "END_TEST_METHOD_PROPERTIES|END_MODULE|END_TEST_CLASS|END_TEST_METHOD"
-NamespaceIndentation: All
+NamespaceIndentation: None
 PointerAlignment: Left
 ReflowComments: false
 SortIncludes: false
 SpaceAfterTemplateKeyword: false
 SpacesInAngles: false
 SpacesInContainerLiterals: false
-