fix buggy install in requirements.txt

Dockerfile

@@ -9,6 +9,8 @@ RUN apt-get update && apt-get install -y \
 
 # Copy requirements and install Python packages
 COPY requirements.txt .
+# Install torch from CPU wheels explicitly to avoid source builds
+RUN pip install --no-cache-dir torch==2.3.0 --index-url https://download.pytorch.org/whl/cpu
 RUN pip install --no-cache-dir -r requirements.txt
 
 # Copy application code

requirements.txt

@@ -6,4 +6,3 @@ anthropic>=0.37.0
 python-dotenv>=1.0.0
 plotly>=5.18.0
 transformers>=4.44.0
-torch>=2.3.0