fix: vite cve's

backend/vitest.unit.config.mts

@@ -0,0 +1,17 @@
+import path from "path";
+import { defineConfig } from "vitest/config";
+
+export default defineConfig({
+  test: {
+    globals: true,
+    env: {
+      NODE_ENV: "test"
+    },
+    include: ["./src/**/*.test.ts"]
+  },
+  resolve: {
+    alias: {
+      "@app": path.resolve(__dirname, "./src")
+    }
+  }
+});