initial commit with charts and assistant chat

backend/requirements.txt

@@ -0,0 +1,32 @@
+pydantic2
+seaborn
+pandas
+numpy
+scipy
+matplotlib
+fastapi
+uvicorn
+websockets
+jsonpatch
+python-multipart
+ccxt>=4.0.0
+pyyaml
+
+# LangChain agent dependencies
+langchain>=0.3.0
+langgraph>=0.2.0
+langgraph-checkpoint-sqlite>=1.0.0
+langchain-anthropic>=0.3.0
+langchain-community>=0.3.0
+
+# Local memory system
+chromadb>=0.4.0
+sentence-transformers>=2.0.0
+sqlalchemy>=2.0.0
+aiosqlite>=0.19.0
+
+# Async utilities
+aiofiles>=24.0.0
+
+# Environment configuration
+python-dotenv>=1.0.0