GraphMutation:
| {
data: Record<string, unknown>;
entityType: string;
id: string;
op: "upsert";
}
| {
data: Record<string, unknown>;
entityType: string;
id: string;
op: "replace";
}
| { entityType: string; id: string; op: "remove" }
| {
entityType: string;
id: string;
op: "patch";
patch: Record<string, unknown>;
}
| { entityType: string; id: string; op: "clearPatch" }
A graph mutation transported inside an official A2A structured-data Part.