v0.3.1

Built on agents-tools/core 0.1.1.

Fixed

• Sources accept typed selectors again, as in
  skill add larksuite/cli@from:1.0.0@skill:lark-base: @branch:, @ref:,
  @revision:, @exact:, @from:, @minor:, @path:, and @skill:.
• Adding a source whose last path component another source already uses, such
  as a second …/skills repository, declares it under a prefixed alias like
  anthropics-skills instead of failing.