Upload destinations.json

feat(audit): full project audit — ESLint, tests, i18n, transactions, docs

fix(chatbot): strip UTF-8 BOM from responses_vi.json and responses_en.json

feat: real-data dataset enrichment + nearby_attractions + travel_tips intents

feat: MapCard zoom controls + multi-marker, nav icon fix, destination_info intent + DestinationInfoCard component

feat(ML): add show_map intent + context-aware map routing

feat: security audit fixes, performance improvements & global data pipeline

feat(chatbot): add chain-of-thought logic for personalize_recommend intent

Round 15: Dark mode page backgrounds + Chatbot fixes (NER/weather/events/templates/currency)

feat(chatbot): expand KB to 9474 destinations & upgrade all components (v4.0.0)

fix: dataset cleanup, 12 bug fixes, KB expansion (v3.1.0)

fix(chatbot): resolve 7 critical issues - KB expansion, pipeline fixes, dynamic responses

feat: integrate chatbot ML service with backend and frontend