v0.9.0

[0.9.0] - 2026-09-04

Added

• stryker4s: — per-file mutation excludes, passed through to stryker4s's config
  as -prefixed negative globs. Lets a single file that cannot produce a compilable mutant be skipped without
  dropping a mutator across the whole module, which would.

Fixed

• stryker4s: Scala 2 modules could not be mutation-tested at all. The runner hardcoded the Scala 3 compiler
  artifact () and its main class (), so a 2.13 module asked coursier for a
  non-existent . Both are now selected from the module's .