fix(chatbot): destination-suggestion + map follow-up wrongly hit off-topic guardrail

fix(chatbot): food queries misclassified as activities

fix(chatbot): set awaiting after nearby_attractions so 'có' plans a trip

feat(chatbot): surface real hotels and attractions from KB

fix(chatbot): accumulate dietary restrictions + real-time weather

feat(chatbot): OOD guard for arithmetic + find_hotel slot-filling

feat(chatbot): lightweight dialog-state for follow-up replies

fix(chatbot): simulate multi-pin route map for destinations without per-activity coords

fix(hotel,chatbot): add WiFi to hotel data + fix chatbot map waypoints

refactor: predict() 851→648 lines — parallel IO + module-level constants + card builders

fix: train_test_split guard + asyncio background task leak

fix: resolve remaining HIGH/MEDIUM issues from code review

refactor: fix HIGH issues - constructor injection, i18n, ML cache & preprocessing

security: fix 6 critical vulnerabilities across chatbot and backend

security: remove hardcoded ML service API key - require env var (CHATBOT_ML_SERVICE_API_KEY)

fix(chatbot): resolve 3 reviewer issues — conversationCount bug, task error logging, CI username variable

fix(chatbot): resolve NameError in guardrail and cache UserMemoryService init failure

feat(chatbot): integrate UserMemoryService into predict endpoint for cross-session memory

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

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

fix(map): replace blocked OSM iframe with static tiles + fix POI search

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

fix(phase3): GlobalExceptionHandler, TopUpRequestDTO validation, RefundService wallet credit-back

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

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

Round update: fix password double-encoding, chatbot missing_location intent, i18n keys for chatbot (ja/en/vi)

Round 12: Quality improvements + Chatbot enhancements

Round 6: New chatbot features — map, weather, saved plans, share, feedback

Round 5: stable callback refs, sessionStorage, accessibility, thread pool, anonymous UUID

fix: Round 4 - UX hardening + security fixes (14/26 items)

fix: chatbot direct ML service call for guest users, fix routes syntax, add RUN_GUIDE

Revert "feat: upgrade LLM layer v3.2 - multi-provider, caching, conversation memory, safety"

feat: upgrade LLM layer v3.2 - multi-provider, caching, conversation memory, safety

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