from __future__ import annotations

from typing import List
from deltaforge_skeleton.core import PlanDelta


class ExecutionEngine:
    def __init__(self):
        self.log: List[str] = []

    def route(self, plan: PlanDelta) -> List[str]:
        # Very small mock routing: just annotate steps with a venue tag
        routed = []
        for i, step in enumerate(plan.steps or []):
            venue = "VenueA" if i % 2 == 0 else "VenueB"
            action = f"{step} -> {venue}"
            routed.append(action)
        self.log.append("routed plan across venues")
        return routed