- Add og:title, og:description, og:image, twitter:card meta tags to landing page
- Add default OG tags to renderShell for all module pages
- Generate 1024x576 OG banner image via fal.ai Flux Pro (dark indigo + network pattern)
- Update meta description: "rSpace is a local-first platform where communities own their tools, data, and governance"
- Update page title to "rSpace — Own Your Community Infrastructure"
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
