Persist CommandLayer namespace claim requests in Neon/Postgres

[GsCommand]

Motivation

• Upgrade /api/claim/commandlayer-namespace from validation-only to real persistent claim request creation and lifecycle recording in a Postgres-compatible DB (Neon) so activation requests are stored and auditable.
• Fail explicitly when storage is not available so the endpoint does not silently fall back to validation-only behavior in production.
• Keep existing validation rules and avoid adding payment, ENS provisioning, ERC-8004 registration, or persistence of any private key material.

Description

• Add lib/db.js, a small Neon-compatible DB helper that reads process.env.DATABASE_URL, throws a clear error when missing, lazily requires @neondatabase/serverless, and exports a query helper for serverless use.
• Update api/claim/commandlayer-namespace.js to retain all existing validation and, when DATABASE_URL is configured, create a transactional persistence flow that inserts into claim_requests, claim_agents, and claim_events, and returns CLAIM_REQUEST_CREATED with a lifecycle payload; the handler returns 503 STORAGE_UNAVAILABLE if DATABASE_URL is missing.
• Add migration db/migrations/001_claim_requests.sql which creates claim_requests, claim_agents, and claim_events tables plus indexes and enables pgcrypto as requested.
• Update public/claim.html to reflect the creation UX (show claim id, wallet, agent count) and to show a clear message when storage is unavailable, and add/adjust tests in tests/api-claim-commandlayer-namespace.test.js covering missing DATABASE_URL, pre-DB validation failures, successful mocked persistence, and attempted claim.created event insertion; also declare @neondatabase/serverless in package.json.

Testing

• Ran npm test which executed the repository tests and all tests passed (42 tests passed).
• Ran example checks with cd examples/webhook-auto-verify && npm install && npm run check which completed successfully.
• Ran npm run build which failed because the repository does not define a build script (reported as a missing script).

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Codex Task

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Project	Deployment	Actions	Updated (UTC)
commandlayer-commandlayer-org	Ready	Preview, Comment	May 22, 2026 8:25pm
commandlayer-org	Ready	Preview, Comment	May 22, 2026 8:25pm
commandlayer-org111	Ready	Preview, Comment	May 22, 2026 8:25pm