Refactor: Implement entity type safety plan

src/pages/ManufacturerModels.tsx

@@ -22,7 +22,7 @@ export default function ManufacturerModels() {
   const { user } = useAuth();
   const { requireAuth } = useAuthModal();
   const [manufacturer, setManufacturer] = useState<Company | null>(null);
-  const [models, setModels] = useState<RideModel[]>([]);
+  const [models, setModels] = useState<RideModelWithCount[]>([]);
   const [loading, setLoading] = useState(true);
   const [searchQuery, setSearchQuery] = useState('');
   const [sortBy, setSortBy] = useState('name');
@@ -68,12 +68,12 @@ export default function ManufacturerModels() {
         if (modelsError) throw modelsError;
         
         // Transform data to include ride count
-        const modelsWithCounts = (modelsData || []).map(model => ({
-          ...model,
-          ride_count: Array.isArray(model.rides) ? model.rides[0]?.count || 0 : 0
-        }));
-        
-        setModels(modelsWithCounts as RideModel[]);
+      const modelsWithCounts: RideModelWithCount[] = (modelsData || []).map(model => ({
+        ...model,
+        ride_count: Array.isArray(model.rides) ? model.rides[0]?.count || 0 : 0
+      }));
+
+      setModels(modelsWithCounts);
       }
     } catch (error) {
       console.error('Error fetching data:', error);
@@ -95,10 +95,6 @@ export default function ManufacturerModels() {
 
   const handleCreateSubmit = async (data: any) => {
     try {
-      if (!user || !manufacturer) {
-        return;
-      }
-
       if (!manufacturer) {
         toast({
           title: "Error",
@@ -123,10 +119,11 @@ export default function ManufacturerModels() {
       
       setIsCreateModalOpen(false);
       fetchData();
-    } catch (error: any) {
+    } catch (error) {
+      const message = error instanceof Error ? error.message : "Failed to submit ride model.";
       toast({
         title: "Error",
-        description: error.message || "Failed to submit ride model.",
+        description: message,
         variant: "destructive"
       });
     }