frontend: add biome checks and pre-commit integration (excluding preview files)

frontend/package.json

@@ -9,8 +9,10 @@
     "test:unit": "vitest",
     "build-only": "vite build",
     "type-check": "vue-tsc --noEmit -p tsconfig.vitest.json --composite false",
-    "lint": "eslint . --ext .vue,.js,.jsx,.cjs,.mjs,.ts,.tsx,.cts,.mts --fix --ignore-path .gitignore",
-    "format": "prettier --write src/"
+    "lint": "biome lint .",
+    "format": "biome format --write .",
+    "format:check": "biome format --check .",
+    "check": "biome check ."
   },
   "engines": {
     "node": ">=18.0.0"
@@ -30,33 +32,19 @@
     "vue-router": "^5.0.1"
   },
   "devDependencies": {
-    "@rushstack/eslint-patch": "^1.15.0",
+    "@biomejs/biome": "^1.9.4",
     "@tsconfig/node18": "^18.2.6",
     "@types/jsdom": "^27.0.0",
     "@types/lodash-es": "^4.17.12",
     "@types/node": "^25.1.0",
     "@vitejs/plugin-vue": "^6.0.3",
-    "@vue/eslint-config-prettier": "^10.2.0",
-    "@vue/eslint-config-typescript": "^14.6.0",
     "@vue/test-utils": "^2.4.6",
     "@vue/tsconfig": "^0.8.1",
-    "babel-eslint": "^10.1.0",
-    "eslint": "^9.39.2",
-    "eslint-plugin-vue": "^10.7.0",
     "jsdom": "^27.4.0",
     "npm-run-all2": "^8.0.4",
-    "prettier": "^3.8.1",
     "typescript": "~5.9.3",
     "vite": "^7.3.1",
     "vitest": "^4.0.18",
     "vue-tsc": "^3.2.4"
-  },
-  "prettier": {
-    "semi": false,
-    "singleQuote": true,
-    "trailingComma": "none",
-    "arrowParens": "avoid",
-    "endOfLine": "lf",
-    "printWidth": 88
   }
 }