{
    "test_file"    : true,
    "platform"     : "SGraph Send",
    "purpose"      : "QA testing of encrypted upload flow",
    "created"      : "2026-03-02",
    "encryption"   : "AES-256-GCM (Web Crypto API)",
    "sample_data"  : {
        "items"    : ["alpha", "bravo", "charlie", "delta"],
        "count"    : 4,
        "verified" : false
    },
    "note": "This file is encrypted in your browser before upload. The server only stores ciphertext."
}
