Under the hoodTier: how much it should matter to you
3Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
SessionsArea: what it touches
Internal ChangesKind: in v2.1.257,
Internal ChangesSection of the release
Assistant message wrapper metadata can now carry a wire_tool_inputs field holding the original, API-produced tool_use inputs keyed by tool_use id, separate from the client-normalized input in message.content. This lets replayed conversation history echo tool calls back exactly as the API emitted them.
