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components/SimulationGraph.tsx

@@ -28,8 +28,8 @@ const SimulationGraph: React.FC<SimulationGraphProps> = ({ isBuilding, societyTy
       let edges: any[] = [];
 
       try {
-        // Attempt to fetch real network data
-        const networkData = await GradioService.getNetworkGraph(societyType);
+        // Attempt to fetch real network data if societyType is provided
+        const networkData = societyType ? await GradioService.getNetworkGraph(societyType) : null;
         if (networkData && networkData.nodes) {
           nodes = networkData.nodes.map((n: any) => ({
             ...n,

components/SimulationPage.tsx

@@ -115,8 +115,12 @@ const SimulationPage: React.FC<SimulationPageProps> = ({
             const uniqueNames = Array.from(new Set(names));
             setSocieties(uniqueNames);
             
-            if (uniqueNames.length > 0 && (!society || !uniqueNames.includes(society))) {
+            if (uniqueNames.length > 0) {
+              if (!society || !uniqueNames.includes(society)) {
                 setSociety(uniqueNames[0]);
+              }
+            } else {
+              setSociety('Standard Example');
             }
         } catch (e) {
             console.error("Failed to fetch focus groups", e);