graph: stream snapshots over Arrow transport

frontend/src/selection_queries/index.ts

@@ -1,8 +1,6 @@
 export { fetchSelectionQueries, runSelectionQuery, runSelectionTripleQuery } from "./api";
 export type {
   GraphMeta,
-  GraphRoutePoint,
-  GraphRouteSegment,
   SelectionQueryMeta,
   SelectionTriple,
   SelectionTripleResult,

frontend/src/selection_queries/types.ts

@@ -1,26 +1,10 @@
 export type GraphMeta = {
   backend?: string;
-  ttl_path?: string | null;
-  sparql_endpoint?: string | null;
-  include_bnodes?: boolean;
   graph_query_id?: string;
   node_limit?: number;
   edge_limit?: number;
   nodes?: number;
   edges?: number;
-  layout_engine?: string;
-  layout_root_iri?: string | null;
-};
-
-export type GraphRoutePoint = {
-  x: number;
-  y: number;
-};
-
-export type GraphRouteSegment = {
-  edge_index: number;
-  kind: string;
-  points: GraphRoutePoint[];
 };
 
 export type SelectionQueryMeta = {