Returns Promise<
{
errors?: { message: string; type: "error"
| "warning" }[];
model?: { data: unknown; kind: string };
rendered: string;
renderedErr?: string;
status: "error" | "ok";
trace?: {
executed?: string;
input: string;
proposed: string;
validated: boolean;
};
},
>
An envelope whose rendered text reports progress and results and
whose model carries per-source outcomes.
Copies a file or directory. Supports multiple sources when destination is a directory.