Landing page at /landing with full marketing content: hero, features, pricing, testimonials, and beta email signup form. Beta signups email beta@resolutionflow.com via new public endpoint. Unauthenticated users redirect to landing instead of login. Also raises KB Accelerator node limit from 50 to 100 to accommodate dense troubleshooting articles. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>