Replace date-fns with chartjs-adapter-moment to eliminate duplicate date libraries

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

package.json

@@ -17,7 +17,7 @@
   "dependencies": {
     "axios": "^1.7.2",
     "chart.js": "^4.3.0",
-    "chartjs-adapter-date-fns": "^3.0.0",
+    "chartjs-adapter-moment": "^1.0.1",
     "chartjs-plugin-datalabels": "^2.2.0",
     "chartjs-plugin-dragdata": "^1.1.3",
     "cytoscape": "^3.30.2",
@@ -26,7 +26,6 @@
     "cytoscape-fcose": "^2.2.0",
     "cytoscape-popper": "^2.0.0",
     "cytoscape-spread": "^3.0.0",
-    "date-fns": "^2.30.0",
     "decimal.js": "^10.4.3",
     "i18next": "^23.11.5",
     "i18next-browser-languagedetector": "^8.0.0",