Upgrade @types/node from 20 to 25 and chartjs-plugin-dragdata from 1 to 2

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

package.json

@@ -21,7 +21,6 @@
     "chart.js": "^4.5.1",
     "chartjs-adapter-moment": "^1.0.1",
     "chartjs-plugin-datalabels": "^2.2.0",
-    "chartjs-plugin-dragdata": "^1.1.3",
     "cytoscape": "^3.33.1",
     "cytoscape-cola": "^2.5.1",
     "cytoscape-dagre": "^2.5.0",
@@ -52,10 +51,11 @@
     "@types/cytoscape": "^3.21.9",
     "@types/cytoscape-dagre": "^2.3.4",
     "@types/cytoscape-popper": "^2.0.4",
-    "@types/node": "^20.19.37",
+    "@types/node": "^25.3.5",
     "@vitejs/plugin-vue": "^6.0.4",
     "@vue/eslint-config-prettier": "^10.2.0",
     "@vue/test-utils": "^2.4.6",
+    "chartjs-plugin-dragdata": "^2.3.1",
     "cypress": "^15.11.0",
     "cypress-xpath": "^2.0.1",
     "eslint": "^9.39.3",