[Update] wiki brought in line with the current reader, writer, stereotype applications, bounded composites and design decisions
[Add] Core Concepts pages: XmiElement, ContainerList, XmiElementCache, Assembler Documents the identity and pending-reference state of XmiElement, how ContainerList maintains the Possessor and the owner end of a composite association, the keys and look-up rules of the XmiElementCache (anonymous elements, duplicate ids, XPointer uuid), and the three resolution passes and failure kinds of the Assembler. Linked from the sidebar and from the uml4net project page. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01WrZQcUwtncTfZT6vbh4Mjp