nexusq 4.1.1

Thin FFI bindings over the NEXUS-Q C SDK (libnexusq) with post-quantum vault, version and error surface.

4.1.1 — local candidate, not yet published

• Align the Dart package/runtime helper with the NexusQ 4.1.1 candidate.
• Published package release remains pending the coordinated release gate.

4.1.0

Initial release of the NEXUS-Q Dart SDK: a thin dart:ffi binding over the C SDK (libnexusq) exposing the version, last-error and vault surface (creation and format version), with a unit test suite and a smoke example.