feat(machine-identities): Delete protection

backend/src/db/migrations/20250613153957_add-machine-identity-delete-protection.ts

@@ -0,0 +1,21 @@
+import { Knex } from "knex";
+
+import { TableName } from "../schemas";
+
+export async function up(knex: Knex): Promise<void> {
+  const hasCol = await knex.schema.hasColumn(TableName.Identity, "hasDeleteProtection");
+  if (!hasCol) {
+    await knex.schema.alterTable(TableName.Identity, (t) => {
+      t.boolean("hasDeleteProtection").notNullable().defaultTo(false);
+    });
+  }
+}
+
+export async function down(knex: Knex): Promise<void> {
+  const hasCol = await knex.schema.hasColumn(TableName.Identity, "hasDeleteProtection");
+  if (hasCol) {
+    await knex.schema.alterTable(TableName.Identity, (t) => {
+      t.dropColumn("hasDeleteProtection");
+    });
+  }
+}

backend/src/db/schemas/identities.ts

@@ -12,7 +12,8 @@ export const IdentitiesSchema = z.object({
   name: z.string(),
   authMethod: z.string().nullable().optional(),
   createdAt: z.date(),
-  updatedAt: z.date()
+  updatedAt: z.date(),
+  hasDeleteProtection: z.boolean().default(false)
 });
 
 export type TIdentities = z.infer<typeof IdentitiesSchema>;