Build a command-line tool at /app/logq that filters a custom log file and prints matching entries to stdout…

Build a command-line tool at /app/logq that filters a custom log file and prints matching entries to stdout…: a task in TermGrade Environments: 1,004 executable Linux tasks (Harbor dataset). Log format: Each line is a single log entry: TIMESTAMP LEVEL MESSAGE - TIMESTAMP: ISO 8601 UTC with 'T'…

The task

**Log format:** Each line is a single log entry: `TIMESTAMP [LEVEL] MESSAGE` - TIMESTAMP: ISO 8601 UTC with 'T' separator and 'Z' suffix, optional fractional seconds (1-6 digits), e.g., `2024-01-15T09:23:45.123456Z` or `2024-01-15T09:23:45Z` - LEVEL: exactly one of `DEBUG`, `INFO`, `WARN`, `ERROR`, `FATAL` enclosed…

Part of ai-and/termgrade-environments.