"""
Slide 84: Slide 24
Section 3: Deep Agents
Source: slides/section3-deepagents/section3.pptx

Сгенерировано автоматически из slide-NN.js / sectionN.pptx.
Паттерн провайдера скопирован из
bro-js/agents/teacher/assistant/src/angry_teacher/llm.py.

Запуск:
  cd langchain-evolution-deck
  cp .env.example .env   # заполни OPENAI_API_KEY
  python examples/slide-084/script.py
"""
import os
from dotenv import load_dotenv
from langchain_openai import ChatOpenAI

load_dotenv()

llm = ChatOpenAI(
    # model="openrouter/free",
    # model="qwen/qwen3.5-35b-a3b",
    model="openai/gpt-oss-20b",
    # model="nvidia/nemotron-3-nano",
    # model="qwen/qwen3.5-9b",
    base_url="https://llm.brojs.ru/v1",
    # base_url="https://api.minimax.io/v1",
    # base_url="http://0.0.0.0:8090/v1",
    # base_url="https://openrouter.ai/api/v1",
    # api_key=os.getenv("MINIMAX_API_KEY"),
    api_key=(os.getenv("OPENAI_API_KEY") or "").strip() or None,
    temperature=0.7,
    stream_usage=True,
)


# === Code from slide 84 ===
// examples/coding_agent.py:1-17

  from deepagents import create_deep_agent
  from deepagents.backends import SandboxBackend

> agent = create_deep_agent(
>     model="anthropic:claude-sonnet-4-5",
>     backend=SandboxBackend(
>         provider="daytona",       # or modal / runloop
>         api_key=os.environ["DAYTONA_API_KEY"],
>         image="python:3.12-slim",
>     ),
>     system_prompt=("You are a coding agent. Always run tests after edits. Stop and ask if requirements are ambiguous."),
  )

  agent.invoke({"messages": "Add a /healthz endpoint to the FastAPI app, with tests."})

  # Daytona/Modal/Runloop execute code in an isolated container;
  # the local process never sees a stray rm -rf.

// note: snippet has 17 lines, card fits ~16