AJ ONeal cf5632e5d6
feat(ipcohort-contains): add --format pretty|tsv|csv|json
Auto-detects format when --format is empty: pretty when stdout is a TTY,
tsv when piped/redirected. JSON emits an array of {ip, found} objects;
CSV adds an 'ip,status' header row.
2026-04-30 17:27:10 -06:00
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