Add governed VMM flood hazard scenarios

frontend/src/lib/floodHazardSelection.ts

@@ -0,0 +1,20 @@
+import type { FloodHazardSelectionResponse, VectorSelectionResponse } from '../types'
+
+export function floodHazardSelectionToMapSelection(result: FloodHazardSelectionResponse): VectorSelectionResponse {
+  return {
+    selection_bbox: result.selection_bbox,
+    selection_area_id: result.selection_area_id,
+    feature_count: result.inundated_cell_count,
+    total_feature_count: result.inundated_cell_count,
+    limit: 0,
+    truncated: false,
+    geojson: { type: 'FeatureCollection', features: [] },
+    summary: {
+      ...result.summary,
+      feature_count: result.inundated_cell_count,
+      is_estimate: false,
+      warning: result.limitation_message,
+      metrics: result.summary.metrics.map((metric) => ({ ...metric, is_estimate: false })),
+    },
+  }
+}