chore: release v0.47.0

- fix: honor MSST MDXC inference defaults (#299, @HAGerox)
  Default MDXC/RoFormer overlap now follows MSST num_overlap semantics
  (pulled from model YAML) instead of being effectively disabled.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>