feat: viz mcp aggregator (#21)

* feat: support dual proxy aggregation for notebooks and visualization

* fix: add cross-spawn dependency to root package.json

* fix: update CI workflow for renamed mcp directory

---------

Co-authored-by: snehshah22 <snehshah22@users.noreply.github.com>

Author: snehshah22

.github/workflows/notebook-mcp-check.yml .github/workflows/mcp-check.yml.github/workflows/notebook-mcp-check.yml renamed to .github/workflows/mcp-check.yml

@@ -17,7 +17,7 @@ name: Notebook MCP Bundle Check
 on:
   pull_request:
     paths:
-      - 'notebook_mcp/**'
+      - 'mcp/**'
 
 env:
   FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: 'true'
@@ -36,11 +36,11 @@ jobs:
 
       - name: Install dependencies
         run: npm install
-        working-directory: notebook_mcp
+        working-directory: mcp
 
       - name: Build bundle
         run: npm run bundle
-        working-directory: notebook_mcp
+        working-directory: mcp
 
       - name: Check for uncommitted changes in bundle
-        run: git diff --exit-code notebook_mcp/dist/index.js
+        run: git diff --exit-code mcp/dist/index.js

notebook_mcp/.gitignore mcp/.gitignorenotebook_mcp/.gitignore renamed to mcp/.gitignore

@@ -38,6 +38,7 @@ esbuild.build({
   platform: 'node',
   format: 'esm',
   outfile: 'dist/index.js',
+  external: ['child_process', 'fs', 'path', 'url', 'cross-spawn'],
   banner: {
     js: `#!/usr/bin/env node\n${licenseHeader}\n`,
   },