Grey Haven Ontological Documentation Create comprehensive ontological documentation that captures fundamental concepts, relationships, and classification systems within Grey Haven codebases and systems. When to Use This Skill Use this skill when you need to: - Document the conceptual structure and domain model of Grey Haven applications - Extract and organize business concepts from TanStack Start or FastAPI codebases - Create visual representations of multi-tenant system architectures - Build semantic maps of entities, services, and their tenant-isolated interactions - Design or document doma…