# Source Documentation

Use these links for framework-specific details.

## FastAPI

- FastAPI lifespan events: https://fastapi.tiangolo.com/advanced/events/
- FastAPI settings and environment variables: https://fastapi.tiangolo.com/advanced/settings/
- FastAPI dependencies with yield: https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/
- FastAPI SQL databases tutorial: https://fastapi.tiangolo.com/tutorial/sql-databases/

## SQLAlchemy and Alembic

- SQLAlchemy engine configuration and pooling: https://docs.sqlalchemy.org/en/20/core/engines.html
- SQLAlchemy session lifecycle basics: https://docs.sqlalchemy.org/en/20/orm/session_basics.html
- Alembic tutorial: https://alembic.sqlalchemy.org/en/latest/tutorial.html

## Pydantic

- Pydantic settings management: https://pydantic.dev/docs/validation/latest/concepts/pydantic_settings/

## NiceGUI

- NiceGUI pages/routing and FastAPI integration: https://www.nicegui.io/documentation/section_pages_routing
- NiceGUI security best practices: https://www.nicegui.io/documentation/section_security

## LangGraph

- LangGraph overview: https://docs.langchain.com/oss/python/langgraph/overview
- LangGraph quickstart: https://docs.langchain.com/oss/python/langgraph/quickstart
- LangGraph workflows and agents: https://docs.langchain.com/oss/python/langgraph/workflows-agents
- LangGraph persistence: https://docs.langchain.com/oss/python/langgraph/persistence
- LangGraph memory concepts: https://docs.langchain.com/oss/python/concepts/memory
- LangGraph streaming: https://docs.langchain.com/oss/python/langgraph/streaming
- LangGraph interrupts and human-in-the-loop: https://docs.langchain.com/oss/python/langgraph/interrupts