Update wiki for the three-crate workspace Co-authored-by: Medulla <medulla@tinyhumans.ai>
Align wiki with retired adapter and policy paths Co-authored-by: Medulla <medulla@tinyhumans.ai>
Align wiki with current crate architecture Co-authored-by: Medulla <medulla@tinyhumans.ai>
Document current architecture and integration boundaries Co-authored-by: Medulla <medulla@tinyhumans.ai>