v0.9.0 (2026-07-21)

What's Changed

Important

This release raises the pydantic-ai-slim floor to 2.14.1.

• feat(cache_stability): observational CacheStabilityMonitor capability by @dsfaccini in #327
• feat: web_search text_summary mode and deferred ExaAgent capability by @ryahern in #386
• Fix ClearToolResults corrupting typed ToolReturnPart subclasses (ToolSearchReturnPart) by @dsfaccini in #383
• Bump pydantic-ai to 2.14.1, migrate durable tests to the durability capabilities, raise the floor by @adtyavrdhn in #397

New Contributors

• @ryahern made their first contribution in #386

Full Changelog: v0.8.0...v0.9.0