fix: keep Mol database layers explicit on map

frontend/src/components/map/MapWorkspace.tsx

@@ -193,6 +193,8 @@ interface MapWorkspaceProps {
   viewportVectorStatus: string | null
   viewportVectorTone: 'ready' | 'pending' | 'warning' | 'error'
   fitMapDataOnChange: boolean
+  mapContentMode: 'dataset' | 'analysis'
+  analysisLayerAvailable: boolean
   selectedMapFeature: GeoJSON.Feature | null
   selectedFeature?: GeoJSON.Feature | null
   mapSelectionBbox: VectorSelectionBBox | null
@@ -220,6 +222,7 @@ interface MapWorkspaceProps {
   onSetAreaLayerOpacity: (opacity: number) => void
   onSetMapLayerVisible: (visible: boolean) => void
   onSetMapLayerOpacity: (opacity: number) => void
+  onSetMapContentMode: (mode: 'dataset' | 'analysis') => void
   onSelectMapFeature: (feature: GeoJSON.Feature | null) => void
   onMapViewportChange: (viewport: MapViewportState) => void
   onSetMapSelectionBbox: (bbox: VectorSelectionBBox | null) => void
@@ -256,6 +259,8 @@ export function MapWorkspace({
   viewportVectorStatus,
   viewportVectorTone,
   fitMapDataOnChange,
+  mapContentMode,
+  analysisLayerAvailable,
   selectedMapFeature,
   selectedFeature = selectedMapFeature,
   mapSelectionBbox,
@@ -283,6 +288,7 @@ export function MapWorkspace({
   onSetAreaLayerOpacity,
   onSetMapLayerVisible,
   onSetMapLayerOpacity,
+  onSetMapContentMode,
   onSelectMapFeature,
   onMapViewportChange,
   onSetMapSelectionBbox,
@@ -508,6 +514,26 @@ export function MapWorkspace({
           </div>
         ) : null}
         <div className="map-toolbar">
+          <div className="map-layer-mode" aria-label="Map content mode">
+            <span>Map content</span>
+            <div role="group" aria-label="Map content source">
+              <button
+                type="button"
+                aria-pressed={mapContentMode === 'dataset'}
+                onClick={() => onSetMapContentMode('dataset')}
+              >
+                Database
+              </button>
+              <button
+                type="button"
+                aria-pressed={mapContentMode === 'analysis'}
+                disabled={!analysisLayerAvailable}
+                onClick={() => onSetMapContentMode('analysis')}
+              >
+                Analysis result
+              </button>
+            </div>
+          </div>
           <label>
             Database layer
             <select