校验当前设备的授权与权益

{
    "app": {
        "app_key": "video-tool-test-example",
        "app_name": "视频压缩工具",
        "app_type": "desktop",
        "site_name": "示例品牌",
        "logo_url": "",
        "primary_color": "#12a36d",
        "download_url": "https://example.com/download",
        "delivery_url": "https://example.com/download",
        "delivery_label": "立即下载",
        "support": {
            "name": "示例客服",
            "wechat": "",
            "qr_url": "",
            "url": ""
        }
    },
    "site": {
        "code": "platform",
        "brand_name": "示例品牌",
        "host": "ql.xiazq.com"
    },
    "product": {
        "slug": "video-compressor",
        "name": "视频压缩工具",
        "category": "视频处理",
        "description": "批量压缩视频",
        "app_key": "video-tool-test-example",
        "plans": [
            {
                "code": "monthly",
                "name": "月卡",
                "kind": "duration",
                "price": 0,
                "duration_days": 30,
                "quota": 100,
                "quota_mode": "reset",
                "quota_unit": "次",
                "feature_code": "default",
                "feature_name": "基础功能",
                "device_limit_type": "limited",
                "device_limit": 2,
                "account_limit_type": "unlimited",
                "account_limit": 0,
                "ai_enabled": true
            }
        ],
        "currency": "CNY",
        "default_plan_code": "monthly",
        "purchase_enabled": false,
        "renew_enabled": false,
        "testing": true
    },
    "valid": true,
    "testing": true,
    "license": {
        "id": 123,
        "license_key": "QLTEST-EXAMPLE-ONLY-DO-NOT-USE",
        "product_slug": "video-compressor",
        "plan_code": "monthly",
        "expires_at": "2026-11-11T22:22:53+08:00",
        "pending_activation": false,
        "is_activated": true,
        "is_perpetual": false,
        "is_free": false,
        "device_limit_type": "limited",
        "device_limit": 2,
        "account_limit_type": "unlimited",
        "account_limit": 0,
        "quota_total": 100,
        "quota_used": 0
    },
    "user": {
        "name": "示例用户",
        "username": "example-user"
    },
    "device": {
        "device_id": "example-device-001"
    },
    "devices": [
        {
            "device_id": "example-device-001",
            "device_name": "开发电脑",
            "platform": "linux",
            "client_version": "1.0.0",
            "last_seen": "2026-10-12T22:22:53+08:00",
            "created_at": "2026-10-12T22:22:53+08:00",
            "status": "active"
        }
    ],
    "entitlements": [
        {
            "feature_code": "default",
            "feature_name": "基础功能",
            "product": "视频压缩工具",
            "product_slug": "video-compressor",
            "app_key": "video-tool-test-example",
            "plan_code": "monthly",
            "plan_name": "月卡",
            "kind": "duration",
            "valid": true,
            "reason": "",
            "expires_at": "2026-11-11T22:22:53+08:00",
            "quota_total": 100,
            "quota_used": 0,
            "is_activated": true,
            "pending_activation": false,
            "is_perpetual": false
        }
    ]
}