fix: update OpenAI package version

- Update OpenAI to version 1.14.0 for ThreadMessage support
- Add explicit version to prevent overrides
- Maintain existing dependency structure
- Update both builder and runtime stages

Dockerfile

@@ -128,7 +128,8 @@ RUN pip install --no-cache-dir \
     langchain \
     langchain-community \
     langchain-core \
-    langchain-openai && \
+    langchain-openai \
+    openai==1.14.0 && \
     poetry config virtualenvs.create false && \
     poetry install --no-dev --no-interaction --no-ansi
 
@@ -190,7 +191,7 @@ RUN apt-get install -y --no-install-recommends \
     sentencepiece \
     tokenizers \
     nltk \
-    openai==1.12.0 \
+    openai==1.14.0 \
     anthropic==0.23.1 \
     flask-migrate==4.0.5 \
     Pillow \