fix(route): update parameter type for PATCH function and correct image directory handling

frontend/app/api/admin-users/[id]/route.ts

@@ -6,16 +6,16 @@ const API_BASE =
 
 export async function PATCH(
   request: NextRequest,
-  { params }: { params: { id: string } },
+  { params }: { params: Promise<{ id: string }> },
 ) {
+  const { id } = await params;
   const session = await auth();
   if (!session || (session.user as any)?.role !== 'admin') {
     return NextResponse.json({ message: 'Förbjuden' }, { status: 403 });
   }
 
   const body = await request.json();
-  const res = await fetch(`${API_BASE}/api/users/${params.id}/role`, {
-    method: 'PATCH',
+  const res = await fetch(`${API_BASE}/api/users/${id}/role`, {
     headers: {
       'Content-Type': 'application/json',
       Authorization: `Bearer ${session.accessToken}`,

frontend/app/api/images/[filename]/route.ts

@@ -2,7 +2,8 @@ import { NextRequest, NextResponse } from 'next/server';
 import * as fs from 'fs';
 import * as path from 'path';
 
-const IMAGE_DIR = process.env.IMAGE_DIR || '/app/public/images';
+// turbopackIgnore: true — IMAGE_DIR är en runtime env-variabel, inte statisk sökväg
+const IMAGE_DIR: string = /* turbopackIgnore: true */ (process.env.IMAGE_DIR || '/app/public/images') as string;
 
 export async function GET(
   _request: NextRequest,
@@ -15,7 +16,7 @@ export async function GET(
     return new NextResponse('Not found', { status: 404 });
   }
 
-  const filePath = path.join(/*turbopackIgnore: true*/ IMAGE_DIR, filename);
+  const filePath = path.join(IMAGE_DIR, filename);
 
   if (!fs.existsSync(filePath)) {
     return new NextResponse('Not found', { status: 404 });