# ============================================================================
# A2A + AG-UI Starter - Python Agent Dependencies
# ============================================================================

# ============================================================================
# AG-UI Protocol Implementation
# ============================================================================
# ag-ui-adk: Allows ADK agents to communicate with the frontend via AG-UI Protocol
# This is used by the orchestrator agent to receive messages from the UI
ag-ui-adk>=0.0.1

# ============================================================================
# A2A Protocol Implementation
# ============================================================================
# a2a: Core A2A Protocol SDK for agent-to-agent communication
# a2a-sdk: Additional utilities including HTTP server support
# These packages enable the Research and Analysis agents to communicate via A2A
a2a>=0.1.0
a2a-sdk[http-server]

# ============================================================================
# Google ADK (Agent Development Kit)
# ============================================================================
# google-adk: Google's framework for building AI agents with Gemini models
# Used by: Orchestrator Agent, Analysis Agent
# litellm: Unified interface for multiple LLM providers (dependency of ADK)
google-adk>=0.1.0
litellm>=1.0.0

# ============================================================================
# LangGraph Framework
# ============================================================================
# langgraph: LangChain's framework for building stateful agent workflows
# langchain: Core LangChain library for LLM applications
# langchain-openai: OpenAI integration for LangChain
# Used by: Research Agent
langgraph>=0.2.0
langchain>=0.3.0
langchain-openai>=0.2.0

# ============================================================================
# Web Server
# ============================================================================
# fastapi: Modern Python web framework for building agent HTTP endpoints
# uvicorn: ASGI server for running FastAPI applications
# All agents expose HTTP endpoints using FastAPI
fastapi>=0.115.0
uvicorn>=0.30.0

# ============================================================================
# Utilities
# ============================================================================
# python-dotenv: Loads environment variables from .env file
# Used to configure API keys (GOOGLE_API_KEY, OPENAI_API_KEY)
python-dotenv>=1.0.0

# ============================================================================
# LLM Providers
# ============================================================================
# openai: OpenAI Python SDK for GPT models
# Used by the Research Agent (LangGraph)
openai>=1.0.0