feat: 定投

package-lock.json

@@ -14,6 +14,7 @@
         "chart.js": "^4.5.1",
         "dayjs": "^1.11.19",
         "framer-motion": "^12.29.2",
+        "lodash": "^4.17.23",
         "next": "^16.1.5",
         "react": "18.3.1",
         "react-chartjs-2": "^5.3.1",
@@ -5033,6 +5034,12 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/lodash": {
+      "version": "4.17.23",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.23.tgz",
+      "integrity": "sha512-LgVTMpQtIopCi79SJeDiP0TfWi5CNEc/L/aRdTh3yIvmZXTnheWpKjSZhnvMl8iXbC1tFg9gdHHDMLoV7CnG+w==",
+      "license": "MIT"
+    },
     "node_modules/lodash.merge": {
       "version": "4.6.2",
       "resolved": "https://registry.npmjs.org/lodash.merge/-/lodash.merge-4.6.2.tgz",