Add canonical Protocol page (public/protocol.html)

[GsCommand]

Motivation

• Provide a dedicated canonical Protocol page that explains CommandLayer’s architecture, trust boundaries, and receipt model as the authoritative reference for the stack.
• Surface the production proof facts and canonical receipt model so integrators know the canonicalization, hash, and signature algorithms and the runtime signer identity.
• Preserve the site visual direction and top navigation order so the new page fits the existing homepage design system and routing.

Description

• Added a new file public/protocol.html implementing the full Protocol page with the required top nav (Home, Protocol, Capabilities, Verifier, SDK, Docs, Claim, GitHub) and homepage visual style.
• Implemented required sections: Hero (eyebrow/headline/subheadline + CTAs), Architecture stack cards (CLAS, runtime-core, runtime, MCP, VerifyAgent, agent-sdk), Canonical receipt model code block using metadata.proof, Trust boundaries grid and warnings, Verification lifecycle flow, Production proof summary (STEP 1/2/3), Capability families, and final CTA panel.
• Included canonical production-truth values and algorithms exactly as required: json.sorted_keys.v1, SHA-256, Ed25519, kid: vC4WbcNoq2znSCiQ, and signer_id: runtime.commandlayer.eth.
• Did not change other pages, API routes, schemas, or delete files, and avoided deprecated/incorrect fields (top-level proof, proof.alg, proof.kid, lowercase ed25519, signature_b64, hash_sha256, or claiming MCP as signer/trust root).

Testing

• Ran npm install successfully with no install errors.
• Ran npm test and all automated tests passed (26 tests passed, 0 failed).
• Confirmed there is no build script in package.json, so npm run build was not executed.

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Codex Task

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Project	Deployment	Actions	Updated (UTC)
commandlayer-commandlayer-org	Ready	Preview, Comment	May 20, 2026 10:53pm
commandlayer-org	Ready	Preview, Comment	May 20, 2026 10:53pm
commandlayer-org111	Ready	Preview, Comment	May 20, 2026 10:53pm