create_temp_artifact(
content: Annotated[str, Field(description='UTF-8 text to write once to the scratch file.')],
runtime: ToolRuntimeCreate a private OS-temp text file for this request.
Use this instead of write_file when a command needs a temporary input
file, such as a pull-request body passed with --body-file. Dcode chooses
and exclusively allocates the path; callers cannot select or overwrite one.