fix: mode handling

package.json

@@ -3,6 +3,7 @@
     "build": "bun build --minify --target bun --outdir dist --sourcemap src/app.ts",
     "check:code": "eslint src/ --ext .ts",
     "check:spell": "cspell --config cspell.code.json **/*.ts",
+    "test:unit": "bun test",
     "start": "bun run src/app.ts"
   },
   "devDependencies": {