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lib/s3.ts

@@ -23,20 +23,29 @@ export const s3Client = new S3Client({
 
 /**
  * Upload a file to S3
+ * Similar implementation to mission-uploads.ts which works correctly with MinIO
  */
 export async function putObject(
   key: string,
   content: string | Buffer,
   contentType?: string
 ): Promise<{ key: string; url?: string }> {
-  const command = new PutObjectCommand({
+  // Convert string to Buffer consistently, exactly like mission-uploads.ts
+  // This ensures the same encoding and buffer handling that works for mission attachments
+  const buffer = typeof content === 'string' 
+    ? Buffer.from(content, 'utf-8')
+    : Buffer.isBuffer(content)
+      ? content
+      : Buffer.from(content);
+  
+  // Use the same pattern as mission-uploads.ts: direct s3Client.send with PutObjectCommand
+  await s3Client.send(new PutObjectCommand({
     Bucket: S3_CONFIG.bucket,
     Key: key,
-    Body: typeof content === 'string' ? Buffer.from(content, 'utf-8') : content,
+    Body: buffer,
     ContentType: contentType || 'text/plain',
-  });
+  }));
 
-  await s3Client.send(command);
   return { key };
 }