First demo with no history memory db and curent time

requirements.txt

@@ -1,11 +1,12 @@
-fastapi==0.109.2
-uvicorn==0.27.1
-pydantic==2.6.1
-python-dotenv==1.0.0
-google-generativeai==0.3.2
-langchain==0.1.9
-langchain-google-genai==0.0.10
-langchain-community==0.0.24
+google-generativeai==0.8.3
+langchain-google-genai==2.0.1
+langchain-community==0.3.2
+langchain==0.3.3
 pinecone-client==3.0.2
+python-dotenv==1.0.1
+faiss-cpu==1.9.0
+langchain-pinecone==0.2.3
+fastapi==0.115.3
+uvicorn==0.31.0
 sentence-transformers==2.5.1
 requests==2.31.0