feat(docs): report demo reliability events to the Thesys console

[devin-ai-integration]

What

The docs site demos render LLM-generated UI but drop the OpenUI render/error events on the floor, so the demos produce no reliability signal. This wires @openuidev/observability-cloud (the SDK the reliability docs tell users to install) into the demo routes so their generations show up on the Reliability dashboard.

The integration is a single client component gated on a publishable client API key, so nothing changes — and nothing is sent — unless NEXT_PUBLIC_THESYS_CLIENT_API_KEY is set in the deployment:

// docs/components/reliability-observability.tsx
const apiKey = process.env.NEXT_PUBLIC_THESYS_CLIENT_API_KEY?.trim();
if (!apiKey) return;
Observability.init({ apiKey });   // once per page load, guarded by a module-level flag

Scoped to the demos only (/demos, /demo/github, /chat, /compare) rather than the root layout, so marketing/docs page views don't generate ingest traffic.

Changes

• Add docs/components/reliability-observability.tsx — env-gated, idempotent Observability.init in a "use client" effect, renders null.
• Mount it in the four demo layouts: app/demos, app/demo/github, app/chat, app/compare.
• Add @openuidev/observability-cloud: workspace:^ to docs/package.json (+ lockfile).
• Document the optional env var in docs/README.md, including the warning not to reuse the server-side THESYS_API_KEY.

Test Plan

• Verified locally

• pnpm --filter @openuidev/docs types:check passes.

• pnpm --filter @openuidev/docs lint and format:check report only pre-existing failures; none of the touched files are flagged.

• Live ingest was not exercised — I don't have a client API key, so the only path verified is the no-key path (no init, no network calls).

Checklist

• I linked a related issue, if applicable
• I updated docs/README when needed
• I considered backwards compatibility

Link to Devin session: https://app.devin.ai/sessions/90646844560e454baad6b15c63417ec1
Open in Devin Desktop: https://app.devin.ai/desktop/session/90646844560e454baad6b15c63417ec1?variant=devin
Requested by: @zahlekhan

[devin-ai-integration]

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Project	Deployment	Actions	Updated (UTC)
openui-docs	Ready	Preview	Aug 27, 2026 6:05am