Create a CLI tool /app/logq that queries a custom log format. The tool reads a log file and supports…

Create a CLI tool /app/logq that queries a custom log format. The tool reads a log file and supports…: a task in TermGrade Environments: 1,004 executable Linux tasks (Harbor dataset). Log format: Each line is a JSON object with keys: ts (ISO 8601 timestamp with timezone, possibly fractional…

The task

**Log format:** Each line is a JSON object with keys: `ts` (ISO 8601 timestamp with timezone, possibly fractional seconds, possibly 'Z' or '+HH:MM'), `lvl` (string: DEBUG/INFO/WARN/ERROR), `msg` (string, may contain any Unicode characters including escaped sequences), `req_id` (string, possibly null or missing),…

Part of ai-and/termgrade-environments.