refactor: move SQL queries from auth handler to repo

refactor: standardize API response

refactor: consolidate domain models and name conflixts fix

feat: implement ephemeral sandbox auth with auto cleanup

feat: update schema atributes handler

feat: add delete schema handler

fix: save uploaded audio to temp file before conversion to resolve FFmpeg errors

refactor: process audio chunk for llm and frontend

refactor: return error status and using ProcessAudioFull for ai service

fix: too many req

feat: implements create and get schema for user

update websocket to get schema from context

update http handler to get schema from context

rate limiter module for future scaling (not used)

add sliding window buffer, single writer pattern, hibrid trigger, dirty flag logic, and debouncing.

optimize websocket logic with debouncing and safety guards

update websocket to process audio by AIService every 250ms

update ParseMultipartForm to 50Mb

update logic buffer to += and sliding windows for audioBuffer length > 60Mb

add websocket streaming handler

move to root folder