Multi-Site Theming Guidance for implementing per-site themes, white-labeling, and brand customization in multi-site CMS architectures. When to Use This Skill - Implementing per-tenant or per-site branding - Designing theme inheritance hierarchies - Building white-label customization systems - Configuring dynamic theme switching - Managing brand overrides at runtime Theme Architecture Theme Hierarchy Theme Model Core Theme Entity Theme Resolution Cascading Theme Service CSS Variable Generation Variable Generator Generated CSS Output Theme API REST Endpoints Theme Delivery Endpoint White-Label…