"""Signal Engine — delegates initiative steering to Kernel Spine v0.1."""

from __future__ import annotations

from typing import Any, Literal

from steering.kernel import evaluate_steering
from steering.signals import default_rules
from steering.strategies.next_action.default_strategy import default_strategy
from steering.strategies.next_action.registry import get_next_action_strategy
from tenant_context import TenantContext

SignalKind = Literal["attention", "next_action"]


def evaluate(
    ctx: TenantContext,
    kind: SignalKind = "attention",
    *,
    limit: int = 10,
    initiative_id: str | None = None,
) -> list[dict[str, Any]]:
    if initiative_id:
        evaluation = evaluate_steering(
            ctx,
            initiative_id=initiative_id,
            next_work_limit=limit,
            attention_limit=max(limit, 10),
        )
        if kind == "next_action":
            return evaluation.next_work
        return evaluation.attention

    if kind == "attention":
        return default_rules.get_attention_items(ctx)

    strategy = get_next_action_strategy("default") or default_strategy
    return strategy.evaluate(ctx, initiative_id=None, limit=limit)