400 tool_use.caller: Extra inputs are not permitted after upgrading to v0.75.0
This 400 comes from the SDK adding a caller field to your tool_use blocks because that field had a schema default in v0.75.0. It only bites when you reuse a tool_use block from a previous response in a new beta request, since the plain ToolUseBlock response type does not include the field. The fix is on main, where …
Problem outcome: unknown