fix: add real-time upload progress percentage and error handling for huge files

feat: completely remove AI De-Reverb feature from frontend and backend

feat: remove Instrumental option from download customization UI

fix: resolve Smart Compare Studio playback and 'New Upload' reset link

feat: remove metadata CSV upload and forced alignment logic

feat: remove 'Your Tasks' panel from UI and backend API

fix: restrict numpy<2.0 and remove health feature

feat: completely remove Isolate Instrumental and 4-Stem Separation features

feat: completely remove Fast CPU mode toggle and fast MDX-Net separation logic

feat: completely remove Stem to MIDI feature from frontend and backend

feat: completely remove Separate Speakers (pyannote) feature from frontend and backend

Massive architectural overhaul: Migrated separation to global MDX-Net cache via audio-separator, eliminating subprocess overhead and significantly boosting CPU speed. Added Fast Mode UI toggle with auto-fallback for large files.

Build CMS Blog Engine and 100-FAQ System

Implement multi-task queue system with active tasks panel

Fix task persistence and session rehydration

fix: make task expired error more user-friendly

feat: save extraction options to firebase and display active tools as badges in history

feat: trigger auto login modal on upload if not signed in

feat: smart compare studio and timeline intelligence

feat: phase 1-3 implementation (dashboard, history, audio health, sqlite, sse)

fix: correctly handle 404 responses in frontend polling loop to prevent infinite loading state

fix: clear URL taskId and stop polling interval on cancel

feat: Add cancel processing button and fix 30% progress stuck issue by parsing demucs output

fix: Make background glow responsive to prevent horizontal scroll gap

feat: Upgrade to whisper-large-v3-turbo and add Raw Transcript Viewer UI

feat: Add dedicated toggles for all extraction models to frontend UI

fix: Add missing useRef import in page.tsx

feat: Add real-time word-level transcript syncing UI and API

feat: Add frontend UI for uploading metadata.csv for Forced Alignment

Optimize frontend UI for mobile responsiveness

fix: resolve all ESLint warnings and errors across frontend components

feat: add beautiful queue waiting room ui

feat: add AI speaker separation diarization tool

feat: add pro tools backend integration

feat: unique pro tools UI and animated SVG extraction flow

feat: firebase history tracking and id search

feat: added custom folder and zip naming to download UI

feat: next-level UI for custom format and chunked stem downloads

fix: enforce login add rate-limit retry logic fix clerk ui and fix binary history