style(claim): remove duplicate auth pills and apply status styling to top auth actions

[GsCommand]

Motivation

• Simplify Step 1 UI by removing redundant lower colored status pills and surface connection/auth status on the existing top controls.
• Make the top-row Connect Wallet / Sign-In with Ethereum controls visually represent completed status (blue/green) while preserving their action semantics.

Description

• Removed the second/lower auth pill row in public/claim.html and kept the status text block (Authentication verified., Wallet connected: 0x..., and mode hint) intact.
• Added reusable CSS classes .auth-action, .auth-action.pending, .auth-action.connected, and .auth-action.authenticated and applied them to the top wallet/SIWE buttons so they show pending/connected/authenticated styling (blue/green) without changing sizing/padding.
• Updated setAuthStatusClasses to toggle the new classes on the top buttons (walletConnectBtn and siweAuthBtn) instead of updating removed lower-pill elements, leaving authentication logic unchanged.
• No behavior/logic changes were made to connectWallet, signInWithEthereum, SIWE message construction, /api/auth/* interactions, step flow, or claim submission; this is a visual-only cleanup in public/claim.html.

Testing

• Ran npm test; all tests passed (42/42 passing).
• No backend or auth logic tests were modified, and existing test suite completed successfully.

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Codex Task

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Project	Deployment	Actions	Updated (UTC)
commandlayer-commandlayer-org	Ready	Preview, Comment	May 22, 2026 8:29pm
commandlayer-org	Ready	Preview, Comment	May 22, 2026 8:29pm
commandlayer-org111	Ready	Preview, Comment	May 22, 2026 8:29pm