mirpy 4.5.0

Requires vdjtools 4.9.0 or newer.

Signature commands use explicit process budgets, one native thread per worker, and bounded embedding blocks. Density analysis accepts a thread budget and retains only the kth background distance. Background occupancy includes all tied points even when observation queries use ANN; self-neighbors are excluded by index.

Cox scoring warns about convergence or inadmissible-pair failures and propagates unexpected exceptions. Release builds test the installed wheel before deployment. Manual release dispatch stays outside the PyPI approval gate. Working Markdown notes are excluded from distributions.

Frozen coordinate systems and corpus artifacts are unchanged.