Assistant checkpoint: Fix Rollup import resolution

Assistant generated file changes:
- rollup.config.js: Add node-resolve and commonjs plugins to fix import resolution, Add plugins to resolve imports and handle CommonJS modules

---

User prompt:

still fails : https://github.com/workflow-builder/nodeq-mindmap/actions/runs/16893321357/job/47858033814

Replit-Commit-Author: Assistant
Replit-Commit-Session-Id: e5c8aa2d-05f7-401c-b338-9e102c33d9ab

Author: jayresearcher

rollup.config.js

@@ -1,5 +1,7 @@
 
 import typescript from '@rollup/plugin-typescript';
+import { nodeResolve } from '@rollup/plugin-node-resolve';
+import commonjs from '@rollup/plugin-commonjs';
 
 export default {
   input: 'src/index.ts',
@@ -24,6 +26,10 @@ export default {
   ],
   external: ['d3'],
   plugins: [
+    nodeResolve({
+      preferBuiltins: true
+    }),
+    commonjs(),
     typescript({
       declaration: true,
       declarationDir: 'dist'