{"success":true,"status":"Node API running","pythonService":{"name":"Multi-Tier Translation API (Dictionary + Lara + LibreTranslate + OPUS-MT)","version":"3.0.0","features":{"self_learning":"Auto-saves OPUS-MT and Lara translations to database (tokenized)","opus_mt_first":"OPUS-MT (Marian) tried first: 10-20× faster, free, excellent for Serbian","fallback_chain":"Dictionary → OPUS-MT → LibreTranslate (free) → Lara (paid, last resort)","performance":"30-80ms with OPUS-MT, ~300MB models, minimal Lara API costs"},"supported_languages":{"serbian_neighbors":["rs","hr","bs","sl","mk","sq","bg","ro"],"western_europe":["en","de","fr","it","es","pt","nl","ca"],"scandinavia":["sv","da","no","is","fi"],"eastern_europe":["ru","uk","be","pl","cs","sk","hu"],"baltics":["lt","lv","et"],"other_europe":["el","tr"],"asia":["zh","ja","ko","ar","he","th","vi","id","ms","tl","hi","bn","ur","fa"],"caucasus":["ka","hy","az"],"central_asia":["kk","uz","ky"],"total":"55+ languages"},"endpoints":{"POST /translate":"Translate text using dictionary + multi-tier fallback","GET /languages":"Get LibreTranslate supported languages","GET /health":"Check service health","GET /docs":"Interactive API documentation (Swagger UI)"},"usage_example":{"url":"POST https://translate.prodajemauto.rs/translate","body":{"text":"Dobar dan, kako ste?","source":"rs","target":"en"}}}}