{"name":"Real-time Matchmaking API","version":"4.0.0","changes_v4":["Hard filter: religion must match exactly","Hard filter: marital status must match (grouped)","Trait expansion: 'caring' -> compassionate, nurturing, kind, etc.","Bidirectional partner criteria scoring","Gaussian age compatibility curve","Full score breakdown in every response","Removed TF-IDF matrix cache (no stale vectors)"],"endpoints":{"health":"/health","stats":"/stats","recommend":"/recommend?user_id={uuid}&top_n=10&min_score=0.3","feedback":"/feedback","refresh_cache":"/refresh-cache","docs":"/docs"}}