fix: support custom column order in VizTable and fix next-page pagination

feat: update chat components and add SearchableSelect UI component

feat: repoint chat, chatroom & feedback to golang service

fix: scope typing indicator to active room by tracking sendingSessionId

[NOTICKET] fix: slow down typing indicator phrase cycling from 300ms to 500ms

fix typo wording learning agent recommendation action

feat: voice (STT & TTS) (#1)

[KM-509] [EMA][FE Demo] Update user view on ai response bubble chat

[KM-490 & KM-491][EMA][FE Demo] Migrate helper prompt to v2 API with data driven

fix: decode HTML entities in MarkmapRenderer so emojis render correctly

feat: replace typing indicator with random cycling phrases and simplify feedback widget

fix: route API calls through server-side proxy to fix undefined backend URL

feat: improve UI components and chatbot configuration

fixing pointing backend url, still

update api.ts fixing incorrect backend url pointing

Refactor API calls to direct backend integration, add chatbot configuration system, and improve UI components

[NOTICKET] Fixing backend url api

fix routing to BE

[NOTICKET] Fixing chat history for different user account

[NOTICKET] Fixing chat history for different user account

[KM-422] [EMA][FE] Interface prototype for External Demo

[KM-422] [EMA][FE] Interface prototype for External Demo