feat: complete onboarding flow

server/api/setup/index.post.ts

@@ -1,6 +1,6 @@
 import { sql } from 'drizzle-orm';
 import * as z from 'zod';
-import { users } from '~~/drizzle/schema';
+import { INSTANCE_SETTINGS_ID, instanceSettings, users } from '~~/drizzle/schema';
 import { auth } from '~~/lib/auth';
 import { db } from '~~/server/lib/db';
 
@@ -59,6 +59,12 @@ export default defineEventHandler(async (event) => {
                     role: 'admin',
                 },
             });
+
+            // A new instance starts invite only. The next setup step lets the
+            // admin pick, and if they never get there it is not left open.
+            await tx.insert(instanceSettings)
+                .values({ id: INSTANCE_SETTINGS_ID, registration: 'invite' })
+                .onConflictDoNothing();
         });
     } catch (error: any) {
         const code = error?.body?.code as string | undefined;