v0.4.1

[0.4.1] - 2026-03-01

Added

• API additions: Response.raw_response, GuardrailCheckResult.guardrail_name, CircuitBreaker.state, EventBus.on, GlobalConfig.debug, TokenLimits.per_hour, RateLimit.window, agent.checkpointer.

Fixed

• Model fallback and response transformer now use model.acomplete() when model has fallbacks/transformers.
• Model.with_middleware() preserves provider.
• Provider availability checks use importlib.util.find_spec() instead of import.

Changed

• Strict typing: TypedDict + Unpack for memory kwargs, ServeConfig, agent specs. Pyright config added.
• Replaced Any with object / TypedDict across core modules.
• Docs: docs/TYPING.md for typing standards; updated API references.