fix: add missing Python dependencies

- Add Pillow for PIL/image processing
- Add opencv-python-headless for image operations
- Add scikit-learn and scipy for ML operations
- Add dependencies in both builder and runtime stages
- Maintain existing dependency structure

Dockerfile

@@ -106,7 +106,11 @@ RUN pip install --no-cache-dir \
     tensorflow \
     sentencepiece \
     tokenizers \
-    tiktoken && \
+    tiktoken \
+    Pillow \
+    opencv-python-headless \
+    scikit-learn \
+    scipy && \
     poetry config virtualenvs.create false && \
     poetry install --no-dev --no-interaction --no-ansi
 
@@ -170,7 +174,11 @@ RUN apt-get install -y --no-install-recommends \
     nltk \
     openai==1.12.0 \
     anthropic==0.23.1 \
-    flask-migrate==4.0.5 && \
+    flask-migrate==4.0.5 \
+    Pillow \
+    opencv-python-headless \
+    scikit-learn \
+    scipy && \
     python -m nltk.downloader punkt averaged_perceptron_tagger
 
 # Set up directory structure