- app.py: graceful icon loading (no crash on Linux Tk without .ico support)
- app.py: auto-detect display scaling for 4K/HiDPI screens
- _LocalTranscribe.py: register NVIDIA pip-package .so paths on Linux (LD_LIBRARY_PATH)
so faster-whisper finds libcublas/libcudnn at runtime
- _LocalTranscribe.py: auto-fallback to CPU if CUDA runtime libs missing
- _LocalTranscribe.py: filter input to supported media extensions only
- _LocalTranscribe.py: show real decode errors instead of generic skip message
- _LocalTranscribe.py: per-file timer showing wall-clock vs audio duration
