feat: integrate S3 storage adapter and update file upload functionality

src/lib/storage/storage.factory.ts

@@ -1,28 +1,13 @@
-import {
-    LocalStorageAdapter,
-    S3StorageAdapter,
-} from '@/lib/storage/storage.adapter';
+import { new_s3_storage_adapter } from '@/lib/storage/storage.adapter';
 import { StorageProvider } from '@/lib/storage/storage.interface';
 
 /**
  * Factory function to create the appropriate storage provider based on environment
  */
 export function createStorageProvider(): StorageProvider {
-    const storageType = process.env.STORAGE_TYPE || 'local';
-
-    if (storageType === 's3') {
-        const bucketName = process.env.S3_BUCKET_NAME;
-        const region = process.env.S3_REGION || 'us-east-1';
-
-        if (!bucketName) {
-            throw new Error(
-                'S3_BUCKET_NAME environment variable is required when STORAGE_TYPE=s3'
-            );
-        }
-
-        return new S3StorageAdapter(bucketName, region);
+    const storage_provider = new_s3_storage_adapter();
+    if (!storage_provider) {
+        throw new Error('Failed to create storage provider');
     }
-
-    // Default to local storage
-    return new LocalStorageAdapter();
+    return storage_provider;
 }