Build a command-line tool /app/topk that reads a large UTF-8 encoded CSV file from a given path and computes…

Build a command-line tool /app/topk that reads a large UTF-8 encoded CSV file from a given path and computes…: a task in termgrade-bandcentral-gemma4-31b-bash: TermGrade Band-Central: the 151-task selection and its splits (Harbor dataset). What the agent is asked, how it is graded, what it runs…