Enterprise admin platform in Go on go-kratos (Ent): Protobuf as the single API contract with full-stack codegen (Go APIs + TypeScript clients, one-click CRUD scaffolds), multi-tenant RBAC (Casbin / OPA / Zanzibar), TOTP MFA, 180-day audit logging aligned with China MLPS 2.0 (等保) - with Vue3 (Vben / Element Plus) and React 19 (Antd) frontends.