Revert TTS pause flush back to 600 ms as it is more natural, target NMT below this.

Pin TTS pause threshold with 1.2s for now, and revert max_workers to cpu_count.

Revise TTS pause threshold to 2 s. due to TranslateGemma bottleneck. Need to make NMT faster < 1 s.

Fix bugs on translation_merger and orchestrator. Revert workers to cpu_count + 4, and tts pause threshold.

Fix TTS queue with put_nowait, reduce pause threshold, thread to cpu count, and remove audio stats print.

Fix NMT pause sync. with ASR threshold and thread counts for smoother processing

Fix is_punctuation_start on translation_merger and pause TTS threshold.

Remove commented function

Fix ASR-NMT and TTS on the server side. Still need to fix on the client side for playback.

Revise TTS queue with blocking

Fix for checking ASR-NMT output and sync. with TTS. TTS handling still needs more sync.

Formatting black, isort, flake8

Enhanced docstrings, type hints, and comments

Add project files