Add prospective DENIM sealed test v1

Add DENIM capability extension v4

Add AgentFEM runtime validation and handoff

Add DENIM Boundary Suite v1 (500 trajectories)

Add DENIM incomplete-physics closure dataset and evidence

Fix multiaxial hysteresis component selection

Add multiaxial OOD v2 data, six neural models, and FE validation

Release AgentFEM Material Loading Memory v1