feat:新增离线存储

apps/backend/src/models/notification-channel.model.ts

@@ -0,0 +1,27 @@
+import mongoose, { type InferSchemaType } from 'mongoose';
+
+const notificationTemplateSchema = new mongoose.Schema(
+  {
+    name: { type: String },
+    keywords: { type: [String], default: [] },
+    category: { type: String },
+    type: { type: String, enum: ['income', 'expense'] },
+    amountPattern: { type: String }
+  },
+  { _id: false }
+);
+
+const notificationChannelSchema = new mongoose.Schema(
+  {
+    packageName: { type: String, required: true, unique: true },
+    displayName: { type: String, required: true },
+    enabled: { type: Boolean, default: true },
+    templates: { type: [notificationTemplateSchema], default: [] }
+  },
+  { timestamps: true }
+);
+
+export type NotificationChannelDocument = InferSchemaType<typeof notificationChannelSchema>;
+
+export const NotificationChannelModel =
+  mongoose.models.NotificationChannel ?? mongoose.model('NotificationChannel', notificationChannelSchema);