add sign

package-lock.json

@@ -10,6 +10,7 @@
       "dependencies": {
         "@tailwindcss/vite": "^4.2.2",
         "axios": "^1.13.6",
+        "clsx": "^2.1.1",
         "embla-carousel-react": "^8.6.0",
         "inter-ui": "^4.1.1",
         "motion": "^12.38.0",
@@ -1618,6 +1619,15 @@
         "url": "https://github.com/chalk/chalk?sponsor=1"
       }
     },
+    "node_modules/clsx": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/clsx/-/clsx-2.1.1.tgz",
+      "integrity": "sha512-eYm0QWBtUrBWZWG0d386OGAw16Z995PiOVo2B7bjWSbHedGl5e0ZWaq65kOGgUSNesEIDkB9ISbTg/JK9dhCZA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=6"
+      }
+    },
     "node_modules/color-convert": {
       "version": "2.0.1",
       "dev": true,

package.json

@@ -12,6 +12,7 @@
   "dependencies": {
     "@tailwindcss/vite": "^4.2.2",
     "axios": "^1.13.6",
+    "clsx": "^2.1.1",
     "embla-carousel-react": "^8.6.0",
     "inter-ui": "^4.1.1",
     "motion": "^12.38.0",