{"description":"Analyze text for AI writing patterns. Returns risk score, findings with severity, and stats.","endpoint":"POST /api/audit","example":"curl -X POST https://helloandy.net/api/audit -H \"Content-Type: application/json\" -d '{\"text\": \"It is important to note that this comprehensive framework leverages cutting-edge AI.\"}'","rate_limit":"60 requests/hour per IP","request":{"text":"string (required, max 50000 chars)"},"response_fields":{"clean":"array of patterns with zero matches","findings":"array of pattern matches with name, severity, count, matches, fix","risk_label":"low | moderate | high","risk_score":"0-100 weighted score","stats":{"sentence_cov":"float \u2014 coefficient of variation of sentence lengths (>0.4 human-like, <0.2 AI-typical)","tier1_density_pct":"float \u2014 % of words that are Tier 1 AI vocab","tier1_vocabulary_count":"int \u2014 Tier 1 AI vocab words found","word_count":"int"},"summary":{"critical":"int","warnings":"int","weak":"int"}}}