Index: package.json
===================================================================
--- package.json	(revision 2058e5c694bb6097866a5fe6503c519e8f74970f)
+++ package.json	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
@@ -4,4 +4,8 @@
     "postcss": "^8.5.6",
     "tailwindcss": "^4.1.18"
+  },
+  "dependencies": {
+    "d3": "^7.9.0",
+    "d3-sankey": "^0.12.3"
   }
 }