"""
健康检查端点，供 Kubernetes liveness/readiness 探针使用。
详见 documents/设计方案分析与完善版.md §2.12。
"""
from django.db import connection
from django.http import JsonResponse


def healthz(request):
    """存活探针：仅确认进程可响应请求。"""
    return JsonResponse({"status": "ok"})


def readyz(request):
    """就绪探针：确认数据库连接可用。"""
    try:
        with connection.cursor() as cursor:
            cursor.execute("SELECT 1")
    except Exception as exc:  # pragma: no cover - defensive
        return JsonResponse({"status": "error", "detail": str(exc)}, status=503)
    return JsonResponse({"status": "ok"})