migrate to mikroservices architecture, and add more features

main.py

@@ -0,0 +1,43 @@
+#!/usr/bin/env python3
+"""Song Transcriber v3 — Qt GUI entry point.
+
+Run: python main.py
+"""
+from __future__ import annotations
+
+import ctypes
+import os
+import sys
+
+
+def preload_cudnn() -> None:
+    """Preload cuDNN shared libraries so torch / onnxruntime can find them."""
+    try:
+        import nvidia.cudnn
+    except ImportError:
+        return
+    lib_dir = os.path.join(nvidia.cudnn.__path__[0], "lib")
+    if not os.path.isdir(lib_dir):
+        return
+    for fname in sorted(os.listdir(lib_dir)):
+        if ".so" in fname:
+            try:
+                ctypes.CDLL(os.path.join(lib_dir, fname), mode=ctypes.RTLD_GLOBAL)
+            except OSError:
+                pass
+
+
+def main() -> int:
+    preload_cudnn()
+    from PySide6.QtWidgets import QApplication
+    from gui.main_window import MainWindow
+
+    app = QApplication(sys.argv)
+    app.setApplicationName("Audio Transcriber")
+    window = MainWindow()
+    window.show()
+    return app.exec()
+
+
+if __name__ == "__main__":
+    sys.exit(main())