fix: import torch before PyQt to fix DLL loading on Windows

- Add early torch import before PyQt6 imports in main_window.py
- This prevents the c10.dll initialization error on Windows
- Solution 3 from user research: import torch before PyQt

install_vision_quick.bat

@@ -0,0 +1,35 @@
+@echo off
+REM Quick install for Computer Vision (Python 3.13)
+echo ==========================================
+echo Installing Computer Vision Dependencies
+echo ==========================================
+echo.
+
+echo [1/4] Installing PyTorch...
+pip install torch torchvision --index-url https://download.pytorch.org/whl/cpu
+
+echo.
+echo [2/4] Installing PaddlePaddle...
+pip install paddlepaddle
+
+echo.
+echo [3/4] Installing PaddleOCR (without PyMuPDF)...
+pip install paddleocr --no-deps
+
+echo.
+echo [4/4] Installing remaining dependencies...
+pip install shapely scikit-image imgaug pyclipper lxml tqdm numpy visualdl rapidfuzz opencv-python opencv-contrib-python cython Pillow pyyaml attrdict openpyxl fire fonttools
+
+echo.
+echo ==========================================
+echo Testing installation...
+echo ==========================================
+python -c "import torch; print('PyTorch:', torch.__version__)" 2>nul || echo "PyTorch failed"
+python -c "import paddle; print('PaddlePaddle:', paddle.__version__)" 2>nul || echo "PaddlePaddle failed"
+python -c "from paddleocr import PaddleOCR; print('PaddleOCR: OK')" 2>nul || echo "PaddleOCR failed"
+
+echo.
+echo ==========================================
+echo Done! Restart the app to test.
+echo ==========================================
+pause

ui/main_window.py

@@ -3,7 +3,17 @@ Lemontropia Suite - Main Application Window (Session-Focused Redesign)
 PyQt6 GUI for managing game automation sessions and activities.
 """
 
+# Fix PyTorch DLL loading on Windows - MUST be before PyQt imports
 import sys
+import platform
+if platform.system() == "Windows":
+    try:
+        import torch
+        # Force torch to load its DLLs before PyQt
+        _ = torch.__version__
+    except Exception:
+        pass  # Torch not available, will be handled later
+
 import logging
 from datetime import datetime
 from enum import Enum, auto