feat(页面): 添加区域探索与国家边界功能

package.json

@@ -31,15 +31,19 @@
     "recharts": "^2.15.3",
     "tailwind-merge": "^3.0.2",
     "three": "^0.173.0",
+    "topojson-client": "^3.1.0",
     "zod": "^3.24.3"
   },
   "devDependencies": {
     "@eslint/eslintrc": "^3.3.1",
     "@tailwindcss/postcss": "^4.1.0",
+    "@types/geojson": "^7946.0.16",
     "@types/node": "^22.13.0",
     "@types/react": "^19.0.0",
     "@types/react-dom": "^19.0.0",
     "@types/three": "^0.173.0",
+    "@types/topojson-client": "^3.1.5",
+    "@types/topojson-specification": "^1.0.5",
     "drizzle-kit": "^0.30.6",
     "eslint": "^9.21.0",
     "eslint-config-next": "^15.3.0",