Fix: Inline deleted JSON components to resolve build errors

Co-authored-by: johndoe6345789 <224850594+johndoe6345789@users.noreply.github.com>

src/components/JSONSchemaPageLoader.tsx

@@ -1,5 +1,4 @@
 import { PageRenderer } from '@/lib/json-ui/page-renderer'
-import { LoadingFallback } from '@/components/molecules'
 import { useSchemaLoader } from '@/hooks/use-schema-loader'
 
 interface JSONSchemaPageLoaderProps {
@@ -12,7 +11,14 @@ export function JSONSchemaPageLoader({ schemaPath, data, functions }: JSONSchema
   const { schema, loading, error } = useSchemaLoader(schemaPath)
 
   if (loading) {
-    return <LoadingFallback message={`Loading ${schemaPath}...`} />
+    return (
+      <div className="flex items-center justify-center h-full w-full">
+        <div className="flex flex-col items-center gap-3">
+          <div className="w-8 h-8 border-2 border-primary border-t-transparent rounded-full animate-spin" />
+          <p className="text-sm text-muted-foreground">Loading {schemaPath}...</p>
+        </div>
+      </div>
+    )
   }
 
   if (error || !schema) {