Restore admin claims dashboard and add /admin/claims rewrite

[GsCommand]

Motivation

• The admin claims dashboard static page at public/admin/claims.html was missing, causing /admin/claims.html to return 404 because there was no static asset to serve.
• Provide a stable operator-facing dashboard at the same public path without changing API/payment/Stripe/webhook/claim validation logic.
• Ensure convenient access via a short path /admin/claims while preserving direct .html access.

Description

• Restored the admin dashboard static page at public/admin/claims.html using the most recent public copy so the original UI is available at the exact path.
• Added an explicit Vercel rewrite in vercel.json mapping /admin/claims -> /admin/claims.html and preserved existing rewrites so .html routes remain unaffected.
• Did not modify any API authentication, payment flow, Stripe/webhook handling, or claim validation; the API-level ADMIN_API_KEY protection remains enforced.

Testing

• Ran npm test in the repo and all tests passed (82 passed, 0 failed).
• Ran npm run check:links and confirmed all local links/assets resolved across HTML files.
• Ran cd examples/webhook-auto-verify && npm run check and the example checks completed successfully.

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Codex Task

[vercel]

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Project	Deployment	Actions	Updated (UTC)
commandlayer-commandlayer-org	Ready	Preview, Comment	May 27, 2026 3:22am
commandlayer-org	Ready	Preview, Comment	May 27, 2026 3:22am
commandlayer-org111	Ready	Preview, Comment	May 27, 2026 3:22am