feat: add migration module and cli

api/src/migration/migration.schema.ts

@@ -0,0 +1,27 @@
+/*
+ * Copyright © 2025 Hexastack. All rights reserved.
+ *
+ * Licensed under the GNU Affero General Public License v3.0 (AGPLv3) with the following additional terms:
+ * 1. The name "Hexabot" is a trademark of Hexastack. You may not use this name in derivative works without express written permission.
+ * 2. All derivative works must include clear attribution to the original creator and software, Hexastack and Hexabot, in a prominent location (e.g., in the software's "About" section, documentation, and README file).
+ */
+
+import { Prop, Schema, SchemaFactory } from '@nestjs/mongoose';
+import { Document, Model } from 'mongoose';
+
+import { MigrationAction } from './types';
+
+@Schema({ timestamps: true })
+export class Migration {
+  @Prop({ required: true, unique: true })
+  name: string;
+
+  @Prop({ required: true, enum: MigrationAction })
+  status: string;
+}
+
+export const MigrationSchema = SchemaFactory.createForClass(Migration);
+
+export type MigrationDocument = Migration & Document;
+
+export type MigrationModel = Model<MigrationDocument>;