Pin Seekpath and expose fallback diagnostics

Keep Seekpath paths in the input cell basis

Harden UppASD input parsing

Fix dressed exchange real-space aliasing

Add UppASD vector mapping modes

Support direct posfile coordinates

Fix dark theme and seekpath species handling

Refine exchange plot labels and induced terminology

IMX-09 align exchange and response conventions with UppASD

Prepare induced exchange explorer for Hugging Face

IMX-08 validate induced exchange physics and conventions

IMX-06 add exchange-dressing comparison diagnostics

IMX-05 add FM magnon and stiffness analysis

IMX-04 add Mryasov-style induced exchange downfolding

IMX-03 add Polesya-like induced moment response

IMX-02 add reciprocal exchange and ordering analysis

IMX-01 add UppASD input model and parsers