fix(site): standardize public page footers to canonical pattern

[GsCommand]

Motivation

• Unify footer appearance and links across rebuilt public pages to the canonical footer used in public/docs/wrap-your-agent.html.
• Remove stale footer items and avoid old dark styling while keeping the light ENS/Stripe visual direction.
• Keep footer/link updates scoped to presentation only, preserving site layout and navigation behavior.

Description

• Replaced footer markup on 14 pages with the canonical 3-column pattern (Product / Developers / Proof) and normalized link targets to the requested set, using public/docs/wrap-your-agent.html as the source of truth.
• Ensured external GitHub links include target="_blank" and rel="noopener" and removed stale primary footer links such as repositories.html, faq.html, about.html, composer.html, ambient-verification.html, commercial.html, and commons.html.
• Did not change API routes, schema files, or remove files, and only updated footer blocks (no page content rebuilds beyond footer replacement).
• Files changed: public/index.html, public/protocol.html, public/capabilities.html, public/verify.html, public/sdk-records.html, public/docs.html, public/docs/wrap-your-agent.html, public/stack-proof-demo.html, public/claim.html, public/runtime.html, public/mcp.html, public/schemas.html, public/api.html, and public/trust-verification.html.

Testing

• Ran npm install successfully with no install errors.
• Ran npm test and all automated tests passed (26 tests, 0 failures).
• Attempted npm run build and the repository has no build script available (no build step performed).

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Codex Task

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Project	Deployment	Actions	Updated (UTC)
commandlayer-commandlayer-org	Ready	Preview, Comment	May 21, 2026 1:15am
commandlayer-org	Ready	Preview, Comment	May 21, 2026 1:15am
commandlayer-org111	Ready	Preview, Comment	May 21, 2026 1:15am