repeat_at: Annotated[time | None, Body()] = None,
):
    start_process = start_datetime + process_after
    duration = end_datetime - start_process
    return {
        "item_id": item_id,
        "start_datetime": start_datetime,
        "end_datetime": end_datetime,
        "process_after": process_after,
        "repeat_at": repeat_at,
        "start_process": start_process,
        "duration": duration,

pkg os, func Remove(string) error
pkg os, func RemoveAll(string) error
pkg os, func Rename(string, string) error
pkg os, func SameFile(FileInfo, FileInfo) bool
pkg os, func Setenv(string, string) error
pkg os, func StartProcess(string, []string, *ProcAttr) (*Process, error)
pkg os, func Stat(string) (FileInfo, error)
pkg os, func Symlink(string, string) error
pkg os, func TempDir() string
pkg os, func Truncate(string, int64) error