v0.12.0 (2026-07-27)

What's Changed

• Add Agent Skills as deferred capabilities by @adtyavrdhn in #396
• Warn on overlong Agent Skill descriptions by @adtyavrdhn in #466
• Bump Pydantic AI to 2.18.0 by @adtyavrdhn in #472

Full Changelog: v0.11.0...v0.12.0