From 8910e6817d5b9180e426591a6c9f9844d890e803 Mon Sep 17 00:00:00 2001
From: Nils-Johan Gynther <nils-johan.gynther@neoleaf.se>
Date: Thu, 30 Apr 2026 20:12:10 +0200
Subject: [PATCH] fix: update Blob creation for file uploads to handle buffer
 offsets correctly

---
 backend/src/ai/ai.controller.ts                      | 3 ++-
 backend/src/quick-import/quick-import.service.ts     | 2 +-
 backend/src/receipt-import/receipt-import.service.ts | 2 +-
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/backend/src/ai/ai.controller.ts b/backend/src/ai/ai.controller.ts
index b6946b55..5e1c7c02 100644
--- a/backend/src/ai/ai.controller.ts
+++ b/backend/src/ai/ai.controller.ts
@@ -1,7 +1,8 @@
 import { Controller, Get } from '@nestjs/common';
 import { Public } from '../auth/decorators/public.decorator';
 import { AI_CATEGORIZATION_MODEL } from './ai.service';
-import { RECEIPT_IMPORT_MODEL } from '../receipt-import/receipt-import.service';
+
+const RECEIPT_IMPORT_MODEL = 'mistral-small-2603';
 
 export interface AiModelInfo {
   id: string;
diff --git a/backend/src/quick-import/quick-import.service.ts b/backend/src/quick-import/quick-import.service.ts
index d4f8dcd2..b4585141 100644
--- a/backend/src/quick-import/quick-import.service.ts
+++ b/backend/src/quick-import/quick-import.service.ts
@@ -53,7 +53,7 @@ export class QuickImportService {
     const form = new FormData();
     form.append(
       'file',
-      new Blob([file.buffer], { type: file.mimetype }),
+      new Blob([file.buffer.buffer.slice(file.buffer.byteOffset, file.buffer.byteOffset + file.buffer.byteLength)], { type: file.mimetype }),
       file.originalname,
     );
 
diff --git a/backend/src/receipt-import/receipt-import.service.ts b/backend/src/receipt-import/receipt-import.service.ts
index aa016a9f..87bc54ed 100644
--- a/backend/src/receipt-import/receipt-import.service.ts
+++ b/backend/src/receipt-import/receipt-import.service.ts
@@ -40,7 +40,7 @@ export class ReceiptImportService {
     const form = new FormData();
     form.append(
       'file',
-      new Blob([file.buffer], { type: file.mimetype }),
+      new Blob([file.buffer.buffer.slice(file.buffer.byteOffset, file.buffer.byteOffset + file.buffer.byteLength)], { type: file.mimetype }),
       file.originalname,
     );