Update requirements.txt

requirements.txt

@@ -10,10 +10,15 @@ langgraph-checkpoint==2.1.1
 # Vector Database
 chromadb==1.1.0
 
-# Machine Learning & Embeddings
+# CPU 전용 PyTorch (GPU 버전보다 10배 이상 빠름)
+--extra-index-url https://download.pytorch.org/whl/cpu
+torch==2.5.1+cpu
+torchaudio==2.5.1+cpu
+torchvision==0.20.1+cpu
+
+# ML & Embeddings
 sentence-transformers==5.1.1
-torch>=2.0.0
-transformers>=4.30.0
+transformers==4.45.0
 
 # Image Processing
 Pillow>=11.0.0
@@ -25,7 +30,6 @@ lxml==6.0.2
 
 # Data Processing
 pandas>=2.0.0
-numpy>=1.23.0
 
 # Utilities
 tqdm>=4.60.0