test(api): add resetDb helper + per-test isolation (proof: sessions suite)

apps/api/test/reset-db.test.ts

@@ -0,0 +1,21 @@
+import { describe, it, expect, beforeEach } from 'vitest';
+import { db } from '../src/db/client';
+import { workSessions, user } from '../src/db/schema';
+import { resetDb, seedActivity, authToken } from './helpers';
+import { createApp } from '../src/app';
+
+describe('resetDb', () => {
+  beforeEach(resetDb);
+
+  it('clears domain and auth rows so counts start from zero', async () => {
+    const app = createApp();
+    await authToken(app, 'reset-a@example.com');
+    await seedActivity('Zagen');
+    expect((await db.select().from(user)).length).toBeGreaterThan(0);
+
+    await resetDb();
+
+    expect(await db.select().from(user)).toHaveLength(0);
+    expect(await db.select().from(workSessions)).toHaveLength(0);
+  });
+});