chatbot : step 1

src/modules/chatbot/models/Abstraction/IChatMessage.ts

@@ -0,0 +1,29 @@
+import { Types } from "mongoose";
+
+export enum MessageType {
+  USER = "user",
+  BOT = "bot",
+  SYSTEM = "system",
+}
+
+export enum MessageStatus {
+  SENT = "sent",
+  DELIVERED = "delivered",
+  READ = "read",
+  FAILED = "failed",
+}
+
+export interface IChatMessage {
+  _id: Types.ObjectId;
+  content: string;
+  type: MessageType;
+  status: MessageStatus;
+  session: Types.ObjectId;
+  sender?: Types.ObjectId;
+  metadata?: Record<string, any>;
+  responseToId?: string;
+  tokensUsed: number;
+  createdAt: Date;
+  updatedAt: Date;
+}
+