Redesign SaaS platform from read-only viewer into vendor management plane with tenant provisioning, license management, and customer self-service. Two personas (vendor/customer), pluggable provisioning interface (Docker first, K8s later), per-tenant server instances. User stories tracked as Gitea issues #40-#51. Closes #37. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>