agents.py

from smolagents import (
    CodeAgent,
    DuckDuckGoSearchTool,
    TransformersModel
)

# ======================================================
# MODELO COMPARTIDO
# ======================================================

shared_model = TransformersModel(
    model_id="Qwen/Qwen2.5-1.5B-Instruct",
    max_new_tokens=256,
    dtype="auto"
)

COMMON_IMPORTS = [
    "json",
    "math",
    "statistics"
]

# ======================================================
# AGENTES
# ======================================================

research_agent = CodeAgent(
    name="research_agent",
    description="Especialista en investigación web.",
    tools=[DuckDuckGoSearchTool()],
    model=shared_model,
    verbosity_level=0,
    additional_authorized_imports=COMMON_IMPORTS
)

hypothesis_agent = CodeAgent(
    name="hypothesis_agent",
    description="Genera hipótesis y oportunidades.",
    tools=[],
    model=shared_model,
    verbosity_level=0,
    additional_authorized_imports=COMMON_IMPORTS
)

critic_agent = CodeAgent(
    name="critic_agent",
    description="Evalúa riesgos y debilidades.",
    tools=[],
    model=shared_model,
    verbosity_level=0,
    additional_authorized_imports=COMMON_IMPORTS
)

strategy_agent = CodeAgent(
    name="strategy_agent",
    description="Diseña estrategias accionables.",
    tools=[],
    model=shared_model,
    verbosity_level=0,
    additional_authorized_imports=COMMON_IMPORTS
)

# ======================================================
# MANAGER
# ======================================================

manager_agent = CodeAgent(
    name="manager_agent",
    description="Coordina todos los agentes.",
    tools=[],
    model=shared_model,
    managed_agents=[
        research_agent,
        hypothesis_agent,
        critic_agent,
        strategy_agent
    ],
    verbosity_level=1,
    max_steps=6,
    additional_authorized_imports=COMMON_IMPORTS
)

# ======================================================
# MAIN
# ======================================================

def run_multiagent_system(task):

    final_task = f"""
    OBJETIVO:
    {task}

    FLUJO:

    1. Investigar evidencia y tendencias
    2. Generar hipótesis estratégicas
    3. Evaluar riesgos y debilidades
    4. Construir estrategia operativa

    ENTREGA:
    - Clara
    - Ejecutiva
    - Accionable
    """

    result = manager_agent.run(final_task)

    return str(result)