BUG-010: Add 301 redirects for clean URLs (/privacy → /privacy.html etc.)
and fix inconsistent href links across legal pages.
FEATURE: Enhanced playground with fullPage, quality, deviceScale,
waitUntil, and waitForSelector controls for better API evaluation.
- FAQ had both inline onclick AND addEventListener, causing double-toggle (no visible change)
- Removed duplicate JS listener, keeping inline onclick
- Replaced 'Rate limiting' mention in features with 'Secure defaults'
- Extract complete codebase from running staging pod
- Add Dockerfile with multi-stage build for Node.js + Puppeteer
- Configure CI/CD workflows for staging and production deployment
- Include all source files, configs, and public assets
