Restore downloadable whitepaper pipeline

[blove]

Summary

• Restore the whitepaper generation pipeline and committed downloadable PDFs for the overview, agent, render, and chat guides.
• Rewire marketing CTAs, signup emails, analytics, and e2e coverage back to downloadable whitepaper assets.
• Add generation-time guards and PDF text audits against stale API names such as streamResource, AgentRef, MockStreamTransport, and invalid render/chat examples.

Validation

• npm run generate-whitepaper with root .env Anthropic credentials
• npm run generate-whitepaper -- --paper render
• npm run generate-whitepaper -- --paper chat
• npm run generate-whitepaper -- --paper overview
• npm run generate-whitepaper -- --paper angular
• npx tsc --noEmit --pretty false --target ES2022 --module NodeNext --moduleResolution NodeNext --esModuleInterop --skipLibCheck apps/website/scripts/generate-whitepaper.ts
• rg stale/hallucinated API scan over generated HTML and extracted PDF text
• npx playwright test -c apps/website/playwright.config.ts -g whitepaper
• npx nx lint website --skip-nx-cache (passes with existing instrumentation-client.ts warning)
• npx nx build website --skip-nx-cache
• npx nx e2e website --skip-nx-cache
• In-app browser smoke on http://localhost:3000/ and /angular

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Project	Deployment	Actions	Updated (UTC)
cacheplane	Ready	Preview, Comment	May 7, 2026 6:44pm