/exportExport works for both in-memory and persistent (redb) backends. For persistent backends, a snapshot is built by iterating all nodes and edges.
Response
| Field | Type | Description |
|---|---|---|
success | boolean | Whether export succeeded. |
data | string or null | Base64-encoded graph data. |
checksum | integer (u64) or null | Deterministic checksum for verification. |
error | string or null | Error message (if failed). |