Update models.js

models.js

@@ -14,7 +14,7 @@ const jobSchema = new mongoose.Schema({
     job_id: { type: String, unique: true },
     status: { type: String, enum: ["pending", "processing", "completed", "failed"], default: "pending" },
     story_bytes: { type: String, default: null },
-    createdAt: { type: Date, default: Date.now }
+    createdAt: { type: Date, default: Date.now, expires: 300 }
 });
 
 export const Job = mongoose.model("Job", jobSchema);