Fix mypy var-annotated error on FEATURE_VARS

Mypy reports 'Need type annotation for "FEATURE_VARS"'; init_features()
populates it with str->str entries.

Assisted-by: Claude:claude-opus-4-7

diff --git a/bin/tests/system/isctest/vars/features.py b/bin/tests/system/isctest/vars/features.py
index 3ebb0863a84a7c141afd26a29bd94c4a237a8dea..40982802afc4d97767ebffd8fdba495c3db87799 100644 (file)
--- a/bin/tests/system/isctest/vars/features.py
+++ b/bin/tests/system/isctest/vars/features.py
@@ -33,7 +33,7 @@ FEATURES = {
     "ZLIB": "--with-zlib",
 }
 
-FEATURE_VARS = {}
+FEATURE_VARS: dict[str, str] = {}
 
 
 def feature_test(feature):