v1.2.0

• Ship an AI agent skill (resources/skills/rasuvaeff-retry/SKILL.md +
  extra.skills in composer.json): projects using the llm/skills Composer
  plugin get the skill synced into .agents/skills/ automatically on install.
• Bump dev dependency rasuvaeff/property-testing from ^1.0 to ^2.6.
• Make property-testing generator methods public static (a private
  generator is only reachable via reflection and gets removed by rector's
  RemoveUnusedPrivateMethodRector).