Audit of all 92 registered architectures against their canonical papers.
Fixed critical routing bugs in MoE/SwitchMoE, added learned filter network
to SchNet, B-spline basis to KAN, and corrected ConvNeXt/MessagePassing/TTT.

Bumps to v0.1.1.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>