[Embedded Wallets] Disperse and edit all "Features" content

[alexandratran]

Description

Restructures the Embedded Wallets Features section, dispersing each page into a more contextually appropriate section and applying an editorial pass. This streamlines the Embedded Wallets overview section as a step towards a simpler, more user-friendly information architecture.

The content in the following pages under Features are moved/merged into other pages, and I've applied an edit pass to the destination pages:

• External wallet aggregator - Merged with Authentication > External wallets: Preview
• Smart accounts - Merged with SDKs > Advanced > Smart accounts: React / Vue / JS / React Native preview
• Funding - Moved up a level to Overview > Funding: Preview
• User account dashboard - Moved to Authentication > User account dashboard: Preview
• Server-side verification - Merged with Authentication > Identity token: Preview
• Prebuilt wallet UI - Merged with Dashboard > Configuration > Customization: Preview
• Wallet pregeneration - Moved to Authentication > Wallet pregeneration: Preview
• NFT minting - Removed page and added bullet point to highlight this feature in Overview: Preview
• Session management - Moved to Overview > Infrastructure > Session management: Preview
• Multi-party computation - Removed and redirected to Overview > Infrastructure > MPC architecture.

Also adds redirects and fixes links for all moved pages.

Checklist

• If this PR updates or adds documentation content that changes or adds technical meaning, it has received an approval from an engineer or DevRel from the relevant team.
• If this PR updates or adds documentation content, it has received an approval from a technical writer.

External contributor checklist

• I've read the contribution guidelines.
• I've created a new issue (or assigned myself to an existing issue) describing what this PR addresses.

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Note

Medium Risk
Moderate risk because it restructures documentation IA (sidebar paths and redirects) and moves/removes multiple pages, which could break internal/external links if any route is missed.

Overview
Disperses the embedded-wallets/features/* docs into domain-specific sections (notably authentication/, dashboard/, and infrastructure/), removing the Features sidebar category and adding new pages for user-account-dashboard, wallet-pregeneration, and infrastructure/session-management.

Updates the Embedded Wallets overview (README.mdx) and several SDK docs with an editorial pass (terminology, links, and smart account snippets), and retargets tutorial cross-links accordingly.

Adds vercel.json redirects to preserve legacy /embedded-wallets/features/* URLs by forwarding them to the new destinations.

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Project	Deployment	Actions	Updated (UTC)
metamask-docs	Ready	Preview, Comment	Apr 28, 2026 4:27pm