Add Automatic Verification section and Webhook Auto-Verify cross-links to homepage

[GsCommand]

Motivation

• Surface the working automatic verification model so visitors can see accepted vs rejected webhook verification outcomes without changing the existing homepage flow.
• Show a concise proof-first outcome demonstrating the runtime → webhook → verifier flow and the difference between valid and tampered receipts.
• Preserve the current hero, receipt preview, verification pipeline, and CTA layout while providing a direct path to the webhook-auto-verify demo.

Description

• Added a new Automatic verification section to public/index.html that shows two result cards (Valid receipt = ACCEPTED and Tampered receipt = REJECTED), a short flow row (Runtime signs → Webhook receives → Verifier checks → Accept / reject), and CTAs linking to /webhook-auto-verify.html and the GitHub example.
• Preserved the hero headline and actions and added an extra hero CTA Run Auto-Verify Demo linking to /webhook-auto-verify.html.
• Updated the Verification surfaces area on the homepage to include a Webhook Auto-Verify flow card, explicit trust-boundary language (Webhook sender authentication is separate from receipt verification), and a small in-place link to the demo.
• Added small cross-links/cards to the auto-verify demo from public/ambient-verification.html, public/api.html, public/docs.html, and public/verify.html while avoiding long terminal blocks on the homepage and keeping canonical proof terminology (metadata.proof, json.sorted_keys.v1, SHA-256, Ed25519, kid=vC4WbcNoq2znSCiQ, signer_id=runtime.commandlayer.eth).

Testing

• Ran npm install in the repo which completed successfully.
• Ran npm test and all automated tests passed (26 tests, 0 failures).
• Attempted npm run build but there is no build script in package.json (noted as not present).
• In examples/webhook-auto-verify, ran npm install and npm run check, both of which completed successfully.

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Codex Task

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Project	Deployment	Actions	Updated (UTC)
commandlayer-commandlayer-org	Ready	Preview, Comment	May 21, 2026 9:36pm
commandlayer-org	Ready	Preview, Comment	May 21, 2026 9:36pm
commandlayer-org111	Ready	Preview, Comment	May 21, 2026 9:36pm