backend redesign

backend.old/requirements.txt

@@ -0,0 +1,47 @@
+# Packages that require compilation in the python slim docker image must be
+# put into requirements-pre.txt instead, to help image build cacheing.
+
+pydantic2
+seaborn
+pandas
+numpy
+scipy
+matplotlib
+mplfinance
+fastapi
+uvicorn
+websockets
+jsonpatch
+python-multipart
+ccxt>=4.0.0
+pyyaml
+TA-Lib>=0.4.0
+
+# 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
+
+# Additional tools for research and web access
+arxiv>=2.0.0
+duckduckgo-search>=7.0.0
+requests>=2.31.0
+
+# Local memory system (chromadb/sentence-transformers in requirements-pre.txt)
+sqlalchemy>=2.0.0
+aiosqlite>=0.19.0
+
+# Async utilities
+aiofiles>=24.0.0
+
+# Environment configuration
+python-dotenv>=1.0.0
+
+# Secrets management
+cryptography>=42.0.0
+argon2-cffi>=23.0.0
+
+# Trigger system scheduling
+apscheduler>=3.10.0