refac

package.json

@@ -15,7 +15,7 @@
 		"lint:types": "npm run check",
 		"lint:backend": "pylint backend/",
 		"format": "prettier --plugin-search-dir --write \"**/*.{js,ts,svelte,css,md,html,json}\"",
-		"format:backend": "black . --exclude \".venv/|/venv/\"",
+		"format:backend": "ruff format . --exclude .venv --exclude venv",
 		"i18n:parse": "i18next --config i18next-parser.config.ts && prettier --write \"src/lib/i18n/**/*.{js,json}\"",
 		"cy:open": "cypress open",
 		"test:frontend": "vitest --passWithNoTests",