"""Starter Adapter: Planner module interface (MVP)."""
from __future__ import annotations

from typing import Dict, Any


def plan_action_sequence(plan: Dict[str, Any]) -> Dict[str, Any]:
    """Very small planner adapter that echoes actions with a timestamp."""
    actions = plan.get("actions", [])
    # Attach a synthetic plan_id for traceability
    plan = dict(plan)
    plan["plan_id"] = plan.get("plan_id", "plan-0")
    plan["echo"] = True
    return plan