Build a CLI tool at /app/pipeline that reads a CSV log file, processes it through a deterministic pipeline…

Build a CLI tool at /app/pipeline that reads a CSV log file, processes it through a deterministic pipeline…: a task in TermGrade Environments: 1,004 executable Linux tasks (Harbor dataset). Input format : CSV file with headers: timestamp,user id,event type,value - timestamp : ISO 8601 string with…

The task

**Input format**: CSV file with headers: `timestamp,user_id,event_type,value` - `timestamp`: ISO 8601 string with timezone offset (must handle both `+00:00` and `Z` suffix, with or without fractional seconds) - `user_id`: integer, may be zero or negative - `event_type`: one of `click`, `view`, `purchase`, `refund` -…

Part of ai-and/termgrade-environments.