✨ Add formatting method

frontend/package-lock.json

@@ -49,6 +49,7 @@
         "hsl-matcher": "^1.2.4",
         "lezer": "^0.13.5",
         "pinia": "^3.0.3",
+        "prettier": "^3.5.3",
         "sass": "^1.89.2",
         "uuid": "^11.1.0",
         "vue": "^3.5.17",
@@ -4288,6 +4289,21 @@
         "node": ">= 0.8.0"
       }
     },
+    "node_modules/prettier": {
+      "version": "3.5.3",
+      "resolved": "https://registry.npmmirror.com/prettier/-/prettier-3.5.3.tgz",
+      "integrity": "sha512-QQtaxnoDJeAkDvDKWCLiwIXkTgRhwYDEQCghU9Z6q03iyek/rxRh/2lC3HB7P8sWT2xC/y5JDctPLBIGzHKbhw==",
+      "license": "MIT",
+      "bin": {
+        "prettier": "bin/prettier.cjs"
+      },
+      "engines": {
+        "node": ">=14"
+      },
+      "funding": {
+        "url": "https://github.com/prettier/prettier?sponsor=1"
+      }
+    },
     "node_modules/punycode": {
       "version": "2.3.1",
       "resolved": "https://registry.npmmirror.com/punycode/-/punycode-2.3.1.tgz",