upgrade langchain ecosystem

requirements.txt

@@ -14,17 +14,20 @@ plotly==6.5.0
 streamlit==1.35.0
 
 # LangChain ecosystem
-langchain==0.2.17
-langchain-core==0.2.43
-langchain-openai==0.1.19
-langchain-community==0.2.17
-langchain-qdrant==0.1.3
+langchain==1.0.8
+langchain-core==1.0.7
+langchain-openai==1.0.3
+langchain-community==0.4.1
+langchain-qdrant==1.1.0
+langchain-huggingface==1.0.1
+langgraph==1.0.3
+
 
 
 # Integration clients / helpers
 pyyaml>=6.0
 tqdm>=4.65.0
-openai==1.109.1
+openai==2.8.1
 qdrant-client==1.16.0
 snowflake-connector-python==3.14.0