ReconcileEdge

An outgoing edge from a kernel landmark, keyed by the target landmark's stable id (the same
uuidv7 the target entry carries — no server-side resolution needed).

{
    "kind": "string",
    "label": "string",
    "polarity": "string",
    "to": "4a3e8739-e3a9-4b51-9b6f-406b6818a828",
    "weight": 0
}