fix: correct Intel Miniconda onboarding commands

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Summary

• fix the new tools/conda-nodejs.mdx onboarding guide so Intel Mac users run the x86_64 installer they were told to download
• make the cleanup step architecture-safe instead of telling all users to remove the Apple Silicon filename

Why

The original guide claimed to support Intel Macs, but the Intel path downloaded Miniconda3-latest-MacOSX-x86_64.sh and then told users to run and delete Miniconda3-latest-MacOSX-arm64.sh. That causes a deterministic file-not-found failure and blocks Intel users from completing the new recommended Node/Mintlify setup.

Validation

• read the PR diff and traced the onboarding flow end to end
• ran a targeted content verification script confirming the Intel download, run, and cleanup instructions are now internally consistent

  

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PR Summary

Low Risk
Documentation-only changes (new guides and navigation updates) with no runtime or security-sensitive code impact.

Overview
Updates the local Mintlify development prerequisites to recommend Node LTS (Node 22) and point readers to a new Conda for Node.js guide for isolating Node versions.

Adds two new docs pages—tools/conda-nodejs (Miniconda-based per-project Node setup, including Intel vs Apple Silicon commands) and support/security/cloudflare-access (Cloudflare WARP/Zero Trust enrollment and SSO walkthrough)—and wires them into docs.json navigation under Tools → Development Tools and Support → Security.

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