🔧 test environment setup

vitest.config.ts

@@ -0,0 +1,18 @@
+// vitest.config.ts
+import { fileURLToPath, URL } from 'node:url';
+import { defineConfig } from 'vitest/config';
+import path from 'path';
+
+export default defineConfig({
+  resolve: {
+    alias: {
+      '@': fileURLToPath(new URL('./src', import.meta.url)),
+      '@visua': path.resolve(__dirname, './node_modules/@cellule-financiere-pmo/visua/output'),
+    },
+  },
+  test: {
+    globals: true,
+    environment: 'jsdom',
+    include: ['test/**/*.spec.ts'],
+  },
+});