from __future__ import annotations

from datetime import datetime

from idea159_arbsphere_federated_cross.solver import PlanDelta


def route_plan_delta(delta: PlanDelta) -> dict:
    """Toy broker that 'executes' a PlanDelta by returning an acknowledgment."""
    # In a real system this would route multiple legs; here we just acknowledge.
    return {
        "status": "acknowledged",
        "timestamp": datetime.utcnow().isoformat() + "Z",
        "actions": delta.actions,
    }