from agents import Agent from pydantic import BaseModel, Field HOW_MANY_SEARCHES = 5 INSTRUCTIONS = f"You are a helpful research assistant. Given a query, come up with a set of web searches \ to perform to best answer the query. Output {HOW_MANY_SEARCHES} terms to query for." class WebSearchItem(BaseModel): reason: str = Field( description="Your reasoning for why this search is important to the query." ) query: str = Field(description="The search term to use for the web search.") class WebSearchPlan(BaseModel): searches: list[WebSearchItem] = Field( description="A list of web searches to perform to best answer the query." ) planner_agent = Agent( name="PlannerAgent", instructions=INSTRUCTIONS, model="gpt-4o-mini", output_type=WebSearchPlan, )