made modular

main.py

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+# main.py
+import sys
+import os
+from PyQt6.QtWidgets import QApplication, QSplashScreen
+from PyQt6.QtGui import QPixmap, QFont
+from PyQt6.QtCore import qInstallMessageHandler
+
+from config import Logger, qt_message_handler, LOG_FILE
+from ui import UffWindow
+
+# 1. Logging Setup
+sys.stdout = Logger()
+sys.stderr = sys.stdout
+print(f"--- APP START ---")
+print(f"Logfile: {LOG_FILE}")
+
+# 2. Filter für Qt Meldungen installieren
+qInstallMessageHandler(qt_message_handler)
+os.environ["QT_LOGGING_RULES"] = "qt.text.font.db=false;qt.qpa.fonts=false"
+
+if __name__ == "__main__":
+    app = QApplication(sys.argv)
+    
+    # Globale Schriftart
+    app.setFont(QFont("Segoe UI", 10))
+
+    splash = None
+    if os.path.exists("assets/uff_banner.jpeg"):
+        try:
+            splash = QSplashScreen(QPixmap("assets/uff_banner.jpeg"))
+            splash.show()
+        except: pass
+
+    window = UffWindow(splash)
+    window.show()
+    window.start_model_loading()
+    
+    sys.exit(app.exec())