Refactor: Fix type safety and auth

src/pages/ManufacturerModels.tsx

@@ -98,12 +98,22 @@ export default function ManufacturerModels() {
         return;
       }
 
-      // For now, just show a toast since ride model submission isn't implemented yet
-      toast({
-        title: "Coming Soon",
-        description: "Ride model submission is not yet available.",
-      });
-      return;
+      if (!manufacturer) {
+        toast({
+          title: "Error",
+          description: "Manufacturer information is missing.",
+          variant: "destructive"
+        });
+        return;
+      }
+
+      const submissionData: RideModelSubmissionData = {
+        ...data,
+        manufacturer_id: manufacturer.id,
+      };
+
+      const { submitRideModelCreation } = await import('@/lib/entitySubmissionHelpers');
+      await submitRideModelCreation(submissionData, user.id);
       
       toast({
         title: "Ride Model Submitted",
@@ -184,10 +194,12 @@ export default function ManufacturerModels() {
               <FerrisWheel className="w-8 h-8 text-primary" />
               <h1 className="text-4xl font-bold">Models by {manufacturer.name}</h1>
             </div>
-            <Button onClick={() => setIsCreateModalOpen(true)}>
-              <Plus className="w-4 h-4 mr-2" />
-              Add Ride Model
-            </Button>
+            {user && (
+              <Button onClick={() => setIsCreateModalOpen(true)}>
+                <Plus className="w-4 h-4 mr-2" />
+                Add Ride Model
+              </Button>
+            )}
           </div>
           <p className="text-lg text-muted-foreground mb-4">
             Explore all ride models manufactured by {manufacturer.name}