add shared

shared/schema/ai/AiChatSchema.ts

@@ -0,0 +1,20 @@
+import { model, Schema } from 'mongoose';
+
+export type TAiChatSchema = {
+    _id: Schema.Types.ObjectId,
+    project_id: Schema.Types.ObjectId,
+    messages: any[],
+    title: string,
+    created_at: Date,
+    updated_at: Date
+}
+
+const AiChatSchema = new Schema<TAiChatSchema>({
+    project_id: { type: Schema.Types.ObjectId, index: 1 },
+    messages: [{ _id: false, type: Schema.Types.Mixed }],
+    title: { type: String, required: true },
+    created_at: { type: Date, default: () => Date.now() },
+    updated_at: { type: Date, default: () => Date.now() },
+});
+
+export const AiChatModel = model<TAiChatSchema>('ai_chats', AiChatSchema);