update_agent

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from signalwire.livewire import Agent, AgentSession, AgentServer, JobContext, function_tool, run_app
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@function_tool
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def check_balance(account_id: str) -> str:
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    """Check an account balance."""
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    return f"Account {account_id} has $142.50."
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@function_tool
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def transfer_funds(from_acct: str, to_acct: str, amount: float) -> str:
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    """Transfer funds between accounts."""
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    return f"Transferred ${amount} from {from_acct} to {to_acct}."
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server = AgentServer()
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@server.rtc_session()
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async def entrypoint(ctx: JobContext):
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    await ctx.connect()
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    basic_agent = Agent(instructions="You help check balances.", tools=[check_balance])
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    session = AgentSession()
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    await session.start(basic_agent, room=ctx.room)
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    advanced_agent = Agent(instructions="You handle transfers.", tools=[transfer_funds])
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    session.update_agent(advanced_agent)
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run_app(server)