update reqs

requirements.txt

@@ -10,20 +10,21 @@ FlagEmbedding==1.3.5
 sentence-transformers>=2.2.2
 
 # UI
-plotly
-streamlit>=1.28.0,<1.36
+plotly==6.5.0
+streamlit==1.35.0
 
 # LangChain ecosystem
-langchain>=0.2.17,<0.3
-langchain-core>=0.2.43
-langchain-openai>=0.1.9,<0.3
-langchain-community>=0.2.17,<0.3
+langchain==0.2.17
+langchain-core==0.2.43
+langchain-openai==0.1.19
+langchain-community==0.2.17
+langchain-qdrant==1.1.0
 
 # Integration clients / helpers
 pyyaml>=6.0
 tqdm>=4.65.0
-openai>=1.0.0
-qdrant-client>=1.7.0
+openai==1.109.1
+qdrant-client==1.16.0
 snowflake-connector-python==3.14.0