Rebuild verify badge demo as protocol-ready embedded verification page

[GsCommand]

Motivation

• Replace the old demo page with a protocol-ready embedded verification badge example that explains how apps can surface verifier results inside product UIs.
• Ensure the demo uses the canonical proof model (json.sorted_keys.v1, SHA-256, Ed25519, vC4WbcNoq2znSCiQ, runtime.commandlayer.eth) and removes stale/top-level proof fields and framing.
• Provide an embeddable snippet and runtime-driven badge behavior so products can render real verification outcomes (verified, invalid, transport error) instead of faked samples.

Description

• Rebuilt public/verify-badge-demo.html to include the required hero, badge states, what-it-does/does-not-do lists, verifier checks, live proof tie-in, embed example, demo receipt links, canonical proof model text, canonical nav/Docs dropdown, and footer groups.
• Updated public/js/verify-badge.js to accept commandlayer-verify-badge while preserving cl-verify-badge for backward compatibility and to inject appropriate styles for both classes.
• Normalized runtime results so the badge maps real verifier responses to VERIFIED, INVALID, or TRANSPORT_ERROR, adjusted displayed field keys (hash_matches) and made missing URL / fetch errors surface as TRANSPORT_ERROR.
• Audited and referenced only existing demo receipts (/receipts/demo-valid-receipt.json and /receipts/demo-tampered-receipt.json) and did not change API routes or schema files.

Testing

• Ran npm install in the repo, which completed successfully.
• Ran npm test, which executed the test suite and reported all tests passing (26 tests passed).
• Attempted npm run build, which failed because no build script is defined in the repository.
• Ran cd examples/webhook-auto-verify && npm install and npm run check in the example, 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 10:28pm
commandlayer-org	Ready	Preview, Comment	May 21, 2026 10:28pm
commandlayer-org111	Ready	Preview, Comment	May 21, 2026 10:28pm