image processing lambda

frontend/src/services/uploadService.ts

@@ -26,7 +26,8 @@ export const getPublicImageUrl = (
 
 export interface PresignedUrlResponse {
   uploadUrl: string;
-  key: string;
+  key: string; // Final key for database storage
+  stagingKey: string | null; // Actual upload location (when image processing enabled)
   publicUrl: string;
   expiresAt: string;
 }
@@ -152,13 +153,15 @@ export async function uploadFile(
   // Upload to S3
   await uploadToS3(file, presigned.uploadUrl, options);
 
-  // Confirm upload
-  const { confirmed } = await confirmUploads([presigned.key]);
+  // Confirm upload - use stagingKey if present (image processing enabled), else key
+  const confirmKey = presigned.stagingKey || presigned.key;
+  const { confirmed } = await confirmUploads([confirmKey]);
 
   if (confirmed.length === 0) {
     throw new Error("Upload verification failed");
   }
 
+  // Return final key for database storage
   return { key: presigned.key, publicUrl: presigned.publicUrl };
 }
 
@@ -253,20 +256,20 @@ export async function uploadImageWithVariants(
     )
   );
 
-  // Confirm all uploads
-  const keys = presignedUrls.map((p) => p.key);
-  await confirmUploads(keys);
+  // Confirm all uploads - use stagingKey if present (image processing enabled), else key
+  const confirmKeys = presignedUrls.map((p) => p.stagingKey || p.key);
+  await confirmUploads(confirmKeys);
 
   if (onProgress) onProgress(100);
 
-  // Use the baseKey returned by the backend (shared UUID for all variants)
-  // The stored key format is: items/uuid.jpg (original), and variants are items/uuid_th.jpg, items/uuid_md.jpg
-  const originalKey = keys.find((k) => !k.includes("_th") && !k.includes("_md")) || keys[0];
+  // Use the final keys for database storage (not staging keys)
+  const finalKeys = presignedUrls.map((p) => p.key);
+  const originalKey = finalKeys.find((k) => !k.includes("_th") && !k.includes("_md")) || finalKeys[0];
 
   return {
     baseKey: originalKey,
     publicUrl: getPublicImageUrl(originalKey),
-    variants: keys,
+    variants: finalKeys,
   };
 }