fix

jest.config.js

@@ -10,9 +10,17 @@ export default {
   // Module type
   preset: null,
 
+  // Enable ES modules support
+  extensionsToTreatAsEsm: [],
+
   // Transform configuration for ES modules
   transform: {},
 
+  // Module name mapping for ES modules
+  moduleNameMapper: {
+    "^(\\.{1,2}/.*)\\.js$": "$1",
+  },
+
   // Test file patterns
   testMatch: ["**/tests/**/*.test.js", "**/tests/**/*.spec.js"],