feat: add hosted install scripts

[illegalcall]

Summary

• add static /install.sh and /install.ps1 bootstrap scripts for release-based desktop installs
• make the landing hero and installation docs lead with the hosted curl/PowerShell install commands
• keep direct GitHub release assets as manual downloads and leave the legacy npm CLI flow collapsed in the repo-start step

Test plan

• sh -n frontend/src/landing/public/install.sh
• bash -n frontend/src/landing/public/install.sh
• git diff --check
• npm run build (frontend/src/landing)
• browser check at http://localhost:3003 for home, docs install tab switching, legacy CLI details, static /install.sh and /install.ps1 endpoints, and mobile overflow

Note: pwsh is not installed locally, so PowerShell syntax was not parsed here.

[github-actions]

React Doctor found 9 issues in 1 file · 9 warnings · score 69 / 100 (Needs work) · vs fix/landing-install-alignment

9 warnings

components/LandingHero.tsx

• ⚠️ L346 Large component is hard to read and change no-giant-component
• ⚠️ L911 Label missing associated control label-has-associated-control
• ⚠️ L974 Label missing associated control label-has-associated-control
• ⚠️ L989 Label missing associated control label-has-associated-control
• ⚠️ L1011 Label missing associated control label-has-associated-control
• ⚠️ L1035 Label missing associated control label-has-associated-control
• ⚠️ L1037 Control missing accessible label control-has-associated-label
• ⚠️ L1163 Plain anchor reloads internal Next.js links nextjs-no-a-element
• ⚠️ L1200 Plain anchor reloads internal Next.js links nextjs-no-a-element

⚠️ Warning: .github/workflows/react-doctor.yml is configured incorrectly. See below to fix.

React Doctor compares against fix/landing-install-alignment to report only the issues this pull request introduces. This run couldn't complete that comparison (usually a shallow CI checkout with no merge base), so it listed every issue in the changed files, including ones that already existed on fix/landing-install-alignment.

Add fetch-depth: 0 to the actions/checkout step in .github/workflows/react-doctor.yml so the checkout includes the history React Doctor needs:

 jobs:
   react-doctor:
     steps:
       - uses: actions/checkout@v5
+        with:
+          fetch-depth: 0

       - uses: millionco/react-doctor@v2

To silence this warning, set silence-missing-baseline-warning: true on the React Doctor action.

_{Reviewed by React Doctor for commit 59073fd. See inline comments for fixes.}

[github-actions]

React Doctor · react-doctor/nextjs-no-a-element (warning)

Plain reloads the whole page for internal links, so Next.js loses client-side navigation and prefetching.

Fix → import Link from 'next/link' for client-side navigation, prefetching, and preserved scroll position

Docs

[somewherelostt]

Thanks for contributing to Agent Orchestrator.

This PR is being picked up by the current external contributor on-call pair:

• @neversettle17-101
• @somewherelostt

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