pip install cogency
export OPENAI_API_KEY="your-key"

from cogency import Agent

agent = Agent(llm="openai")
...

agent = Agent(llm="openai", mode="auto")  # 기본값

async for event in agent("Debug this code", stream="event"):
    if event["type"] == "think":
        print(f"~ {event['content']}")
...

async for event in agent("Debug this code", stream="token"):
    if event["type"] == "respond":
        print(event["content"], end="", flush=True)

async for event in agent("What's in this directory?"):
    if event["type"] == "respond":
        print(event["content"])

async for event in agent(
    "Continue our code review",
    conversation_id="review_session",
...

from dataclasses import dataclass
from typing import Annotated
from cogency import ToolResult
...

agent = Agent(
    llm="openai",                    # 또는 "gemini", "anthropic"
    mode="auto",                     # "resume", "replay", 또는 "auto"
...

async def compress(messages: list[dict]) -> list[dict]:
    if len(messages) <= 20:
        return messages
...