feat(relays): healthcheck

backend/src/db/migrations/20251008003912_relay-heartbeat.ts

@@ -0,0 +1,19 @@
+import { Knex } from "knex";
+
+import { TableName } from "../schemas";
+
+export async function up(knex: Knex): Promise<void> {
+  if (!(await knex.schema.hasColumn(TableName.Relay, "heartbeat"))) {
+    await knex.schema.alterTable(TableName.Relay, (t) => {
+      t.datetime("heartbeat");
+    });
+  }
+}
+
+export async function down(knex: Knex): Promise<void> {
+  if (await knex.schema.hasColumn(TableName.Relay, "heartbeat")) {
+    await knex.schema.alterTable(TableName.Relay, (t) => {
+      t.dropColumn("heartbeat");
+    });
+  }
+}

backend/src/db/schemas/relays.ts

@@ -14,7 +14,8 @@ export const RelaysSchema = z.object({
   orgId: z.string().uuid().nullable().optional(),
   identityId: z.string().uuid().nullable().optional(),
   name: z.string(),
-  host: z.string()
+  host: z.string(),
+  heartbeat: z.date().nullable().optional()
 });
 
 export type TRelays = z.infer<typeof RelaysSchema>;