{
    "schema": "echolot/measurement",
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            "flavor": "app"
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            "android_release": "16",
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        "tiers": {
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            "shizuku": false,
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        "profiles_used": [],
        "notes": null
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    "networks": [
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            "transport": "cellular",
            "interface": "rmnet_data4",
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                        "pref_lft_s": null
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                ],
                "routes": [
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                        "expires_s": null
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                    {
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                        "gateway": "0.0.0.0",
                        "iface": "wlan0",
                        "proto": null,
                        "expires_s": null
                    },
                    {
                        "dst": "0.0.0.0/0",
                        "gateway": "10.13.102.1",
                        "iface": "wlan0",
                        "proto": null,
                        "expires_s": null
                    }
                ],
                "dns": {
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                    ],
                    "private_dns_mode": "off",
                    "private_dns_hostname": null,
                    "search_domains": [
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                    ],
                    "nat64_prefix": null
                },
                "dhcp": null,
                "captive_portal": null
            },
            "wifi": null,
            "cellular": null,
            "changes": []
        }
    ],
    "server_sessions": [],
    "tests": [
        {
            "id": "83174b93-b8f3-4c73-86d1-d4d67866ec91",
            "type": "link.snapshot",
            "network_ref": null,
            "session_ref": null,
            "tier": "app",
            "started_mono_ns": 1990364,
            "ended_mono_ns": 2119375,
            "status": "ok",
            "error": null,
            "params": null,
            "evidence": {
                "network_count": 2,
                "networks": [
                    {
                        "id": "net-0",
                        "transport": "cellular",
                        "interface": "rmnet_data4",
                        "mtu": 1500,
                        "addresses": "2001:4bb8:417:bd78:e4fe:8cff:febe:ca8c/64",
                        "dns": "fda1:3fb1:0:8:0:10:0:101, fda1:3fb1:0:8:0:10:0:100",
                        "nat64": "none"
                    },
                    {
                        "id": "net-1",
                        "transport": "wifi",
                        "interface": "wlan0",
                        "mtu": 0,
                        "addresses": "fe80::7a:75ff:fee9:ae9e/64, 10.13.102.124/24",
                        "dns": "10.13.102.1",
                        "nat64": "none"
                    }
                ]
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            "metrics": null
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        {
            "id": "4fcd2393-3464-4d00-a15e-8006e178fefd",
            "type": "icmp.ping4",
            "network_ref": null,
            "session_ref": null,
            "tier": "app",
            "started_mono_ns": 2260885,
            "ended_mono_ns": 86194427,
            "status": "ok",
            "error": null,
            "params": null,
            "evidence": {
                "target": "1.1.1.1",
                "default": "reply type=0 rtt_ms=43.1 bytes=15",
                "cellular:net-0": "error: Binding socket to network 137 failed: EPERM (Operation not permitted)",
                "wifi:net-1": "reply type=0 rtt_ms=39.3 bytes=15"
            },
            "metrics": {
                "networks_ok": 2,
                "rtt_ms_min": 39.3,
                "rtt_ms_avg": 41.2,
                "rtt_ms_max": 43.1
            }
        },
        {
            "id": "5a51060f-6d65-432f-ae2f-09a896f989d2",
            "type": "icmp.ping6",
            "network_ref": null,
            "session_ref": null,
            "tier": "app",
            "started_mono_ns": 86622343,
            "ended_mono_ns": 6407352028,
            "status": "failed",
            "error": null,
            "params": null,
            "evidence": {
                "target": "2606:4700:4700::1111",
                "default": "error: recvfrom failed: EAGAIN (Try again)",
                "cellular:net-0": "error: Binding socket to network 137 failed: EPERM (Operation not permitted)",
                "wifi:net-1": "error: recvfrom failed: EAGAIN (Try again)"
            },
            "metrics": {
                "networks_ok": 0
            }
        },
        {
            "id": "f0e48635-5688-4cdb-9a7c-7e26047427e6",
            "type": "net.captive_portal",
            "network_ref": null,
            "session_ref": null,
            "tier": "app",
            "started_mono_ns": 6407902080,
            "ended_mono_ns": 10451588485,
            "status": "ok",
            "error": null,
            "params": null,
            "evidence": {
                "https_url": "https://www.google.com/generate_204",
                "http_url": "http://connectivitycheck.gstatic.com/generate_204",
                "default": {
                    "https_code": 204,
                    "http_code": 204,
                    "verdict": "validated"
                },
                "cellular:net-0": {
                    "https_code": -1,
                    "http_code": -1,
                    "verdict": "no_internet"
                },
                "wifi:net-1": {
                    "https_code": 204,
                    "http_code": 204,
                    "verdict": "validated"
                }
            },
            "metrics": null
        },
        {
            "id": "7811704e-935b-4dd6-ad9c-d97f4bb6db5d",
            "type": "dns.canary",
            "network_ref": null,
            "session_ref": null,
            "tier": "app",
            "started_mono_ns": 10452107548,
            "ended_mono_ns": 10579626037,
            "status": "ok",
            "error": null,
            "params": null,
            "evidence": {
                "zone": "c.echo-lot.app",
                "reference_records": {
                    "ttl-5": {
                        "fqdn": "ttl-5.c.echo-lot.app",
                        "expected": "192.0.2.5",
                        "got": "192.0.2.5",
                        "verdict": "match"
                    },
                    "ttl-60": {
                        "fqdn": "ttl-60.c.echo-lot.app",
                        "expected": "192.0.2.60",
                        "got": "192.0.2.60",
                        "verdict": "match"
                    },
                    "ttl-3600": {
                        "fqdn": "ttl-3600.c.echo-lot.app",
                        "expected": "192.0.2.36",
                        "got": "192.0.2.36",
                        "verdict": "match"
                    },
                    "ttl-86400": {
                        "fqdn": "ttl-86400.c.echo-lot.app",
                        "expected": "192.0.2.86",
                        "got": "192.0.2.86",
                        "verdict": "match"
                    }
                },
                "nonce_query": {
                    "fqdn": "1006ad16.adhoc.c.echo-lot.app",
                    "got": "192.0.2.21",
                    "reached_authoritative": true,
                    "note": "a non-192.0.2.x answer means something other than the canary server replied"
                }
            },
            "metrics": {
                "references_matched": 4,
                "references_mismatched": 0,
                "references_failed": 0
            }
        },
        {
            "id": "7612b4c1-615a-4232-9969-7506c2ed77fc",
            "type": "link.ip_monitor",
            "network_ref": null,
            "session_ref": null,
            "tier": "shizuku",
            "started_mono_ns": 10580257287,
            "ended_mono_ns": 10580338173,
            "status": "unsupported",
            "error": null,
            "params": null,
            "evidence": {
                "binder_alive": false,
                "detail": "Shizuku not running"
            },
            "metrics": null
        }
    ],
    "findings": [
        {
            "id": "5180f756-1bc9-4979-a6f2-4e354a9cba3f",
            "code": "ipv6.no_icmp_path",
            "category": "ipv6",
            "severity": "low",
            "confidence": "medium",
            "network_ref": null,
            "title": "No IPv6 ICMP path on any active network",
            "description": "ICMPv6 echo got no reply on any active network — this network has no working IPv6 path (or filters ICMPv6).",
            "evidence_refs": [
                {
                    "test": "5a51060f-6d65-432f-ae2f-09a896f989d2",
                    "pointer": null
                }
            ],
            "recommendation": null
        }
    ],
    "summary": {
        "overall": "yellow",
        "categories": {
            "connectivity": {
                "verdict": "green",
                "worst_finding": null,
                "tests_run": 5,
                "tests_failed": 2
            },
            "dns": {
                "verdict": "green",
                "worst_finding": null,
                "tests_run": 1,
                "tests_failed": 0
            },
            "ipv6": {
                "verdict": "yellow",
                "worst_finding": "5180f756-1bc9-4979-a6f2-4e354a9cba3f",
                "tests_run": 0,
                "tests_failed": 0
            }
        }
    }
}