chore: prune PNPM dependency FOD

[ehegnes]

This PR overhauls PNPM integration with Nix in the interests of safety and developer experience. The result is fewer changes to per-project pnpm.fetchDeps fixed-output derivations in instances a dependency change in one project should not impact the dependencies of any unrelated project. This succeeds with the exception of instances where optional peer dependencies may be satisfied by workspace projects. This may be related to pnpm/pnpm#10046 or pnpm/pnpm#9288.

• Pin pnpm and nodejs within Nix such that versions are shared across the dev shell and buildPnpmPackage.
• Prefer nodejs-slim* package to remove npm.
• Remove project-specific .npmrc files such that a root pnpm-workspace.yaml consolidates dependency resolution configuration.
• Remove scripts/docs.mjs in favor of Nix output for TSDoc generated Markdown.
• Remove a substantial set of root workspace dependencies from root package.json.
• Enhance PNPM integration:
  • Enforce strict peer dependencies and removal of peer auto-install to fortify reproducibility.
  • Enforce minimum dependency release age to fortify supply-chain attack protection.
  • Use PNPM catalogs to easily specify consistent versions of common dependencies.
  • Declare a peer catalog to relax version range when specifying peer dependencies.
• Cleanup unused/deprecated dependencies in app:
  • Remove @aptos-labs/* which improves bundle output size by ~50%.
  • Remove @unionlabs/client which is deprecated in favor of @unionlabs/sdk and family.
• Bump various dependencies, notably:
  • @types/nodejs@^24 to align with the pinned Node.js version for shell & build.

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1 Skipped Deployment

Project	Deployment	Preview	Comments	Updated (UTC)
site	Skipped			Oct 8, 2025 9:17pm

[github-actions]

Ceremony 🤌

✨ Deployment complete! Take a peek over at https://eb6e4621.ceremony-e8z.pages.dev
✨ Deployment alias URL: https://head.ceremony-e8z.pages.dev

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[github-actions]

App 2 🤌

✨ Deployment complete! Take a peek over at https://89cd63f3.app2-9yo.pages.dev
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[github-actions]

zkgm.dev 🦀

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[github-actions]

Docs 🤌

✨ Deployment complete! Take a peek over at https://a3b105e3.docs-ajn.pages.dev
✨ Deployment alias URL: https://head.docs-ajn.pages.dev

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[PoisonPhang]

LGTM, lets make sure we are tracking TODOs