"""Grader for rate_limit task: 429 Too Many Requests."""


def grade() -> float:
    """Grade the rate_limit task. Returns float strictly between 0 and 1."""
    try:
        import sys
        from pathlib import Path
        _root = str(Path(__file__).resolve().parent.parent.parent)
        if _root not in sys.path:
            sys.path.insert(0, _root)

        from environment.api_triage_env import APITriageEnv
        from environment.incident_generator import get_incident_by_type

        env = APITriageEnv(max_steps=10)
        env.incident = get_incident_by_type("rate_limit")
        if env.incident is None:
            return 0.1
        env.fix_applied = False
        env.done = False
        env.step_counter = 0
        env.total_reward = 0.0

        for action in ["inspect_logs", "wait_retry", "resolve"]:
            _, _, done, info = env.step(action)
            if done:
                return 0.95 if info.get("resolution") == "success" else 0.1
        return 0.1
    except Exception:
        return 0.1