v1.0.3

What's Changed

• Pydantic AI Integration: Upgrade to Pydantic AI 2.x by @gvdongen in #215
• Fix: Handle signal registration outside the main thread by @brightsparc in #218
• Harness: Fix outdated env var for disabling retries by @gvdongen in #213

Full Changelog: v1.0.2...v1.0.3