feat: Add theme toggle, implement interactive simulator menu, and enhance dashboard stats API.

package-lock.json

@@ -12,6 +12,7 @@
         "clsx": "^2.1.1",
         "lucide-react": "^0.562.0",
         "next": "16.1.1",
+        "next-themes": "^0.4.6",
         "prisma": "^6.19.1",
         "react": "19.2.3",
         "react-dom": "19.2.3",
@@ -5291,6 +5292,16 @@
         }
       }
     },
+    "node_modules/next-themes": {
+      "version": "0.4.6",
+      "resolved": "https://registry.npmjs.org/next-themes/-/next-themes-0.4.6.tgz",
+      "integrity": "sha512-pZvgD5L0IEvX5/9GWyHMf3m8BKiVQwsCMHfoFosXtXBMnaS0ZnIJ9ST4b4NqLVKDEm8QBxoNNGNaBv2JNF6XNA==",
+      "license": "MIT",
+      "peerDependencies": {
+        "react": "^16.8 || ^17 || ^18 || ^19 || ^19.0.0-rc",
+        "react-dom": "^16.8 || ^17 || ^18 || ^19 || ^19.0.0-rc"
+      }
+    },
     "node_modules/next/node_modules/postcss": {
       "version": "8.4.31",
       "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.31.tgz",