feat: add allowOther field to questions and update image upload to return data URIs

app/api/upload/route.ts

@@ -36,14 +36,12 @@ export async function POST(req: Request) {
       return NextResponse.json({ error: "Invalid image extension" }, { status: 400 });
     }
 
-    const filename = `${crypto.randomUUID()}.${originalExt}`;
-    const uploadDir = path.join(process.cwd(), "public", "form");
-
-    await mkdir(uploadDir, { recursive: true });
     const buffer = Buffer.from(await file.arrayBuffer());
-    await writeFile(path.join(uploadDir, filename), buffer);
+    const base64 = buffer.toString("base64");
+    const mimeType = file.type;
+    const dataUri = `data:${mimeType};base64,${base64}`;
 
-    return NextResponse.json({ url: `/form/${filename}` });
+    return NextResponse.json({ url: dataUri });
   } catch (error: any) {
     console.error("Upload error:", error);
     return NextResponse.json({ error: error.message || "Internal server error" }, { status: 500 });