fix: use queue.Queue in SharedState instead of multiprocessing.Manager for HF Spaces cloud mode

fix: restore 640x480 browser capture and server-side resize for HD quality stream

fix: optimize cloud resolution to 320x240 @ 0.8 quality to resolve lag and disconnects

fix: upgrade browser capture to 640x480, server encode to 85, and implement client-side TTS

fix: cleanup socket.io polling logs and remove per-frame debug spam

fix: restore 640x480 output + 320x240 input — better video quality and gesture accuracy

perf: remove skeleton+overlay drawing — send clean video frames for better quality

perf: fix lag — smaller frames 160x120@35%, flow control, nginx 512k body buffer, 320x240 output

Remove number recognition - keep A-Z letters only for gesture detection

UI fix: camera stream + dashboard improvements

UI fix: camera stream + dashboard improvements

UI fix: camera stream + dashboard improvements

final fix: gesture detection working + threshold + UI camera fix

final fix: single-process architecture + video stream + removed multiprocessing + UI fix

fresh clean upload