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Production SEO studies driven by Jev striking-distance triage: 1,204 pages judged per run, 4,816 typed judgments in under 3 minutes, $0.0048 per 12-query batch (jev-1.13.0).
Live demo that tests a 144-character post on 10,000 persistent synthetic personas: code decides who sees it, and batched Jev calls return read, like/dislike, agreement, repost, follow, and block probabilities per persona group; posting requires Google sign-in, post text is sent to Jev through Vercel AI Gateway, and the simulated reactions are not a forecast of real audience behavior.
CLI that fetches an artist's discography and available lyrics, asks Jev five typed questions per song about theme, mood, complexity, explicit content, and perspective, then draws a terminal dashboard; full lyrics go to TypeSafe, missing lyrics are skipped, and the classifications are model judgments rather than verified music metadata.