0.122.0 (2026-08-13) Full Changelog: v0.121.0...v0.122.0 Features api: add output_behavior to dream creation (create a new memory store or update the input store in place) (852c4bb) Bug Fixes bedrock,aws: run SigV4 signing off the event loop in async clients (#334) (2bae6c8) bedrock: expose beta.messages.parse, stream and tool_runner (#366) (6eca7bb) client: add models (52e9d94) client: keep token exchange bound per client across copy() (#388) (c13e6e3) client: read PathLike contents passed inside a file tuple (070f953) client: treat empty ANTHROPIC_API_KEY / ANTHROPIC_AUTH_TOKEN as unset (#341) (76a2e68) streaming: add context to malformed tool input JSON errors in the non-beta accumulator (#339) (a343e17) streaming: apply all message_delta fields when accumulating streamed messages (#380) (fc1599b) streaming: emit input_json events for server tool use blocks (#336) (ccfc8e1) streaming: keep omitted content block fields unset in accumulated messages (#346) (cd40aab) streaming: run the request transform once in messages.stream() (#347) (81a92da) streaming: silence pydantic serializer warnings on message_stop events (#338) (41f9cdc) tools: reject symlink loops in tool paths and…