Blocking someone removes notifications between you

Also note in the CI guide that the build caches need disk space where
Docker keeps its data.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

apps/api/test/notifications.test.ts

@@ -67,6 +67,13 @@ describe('notifications', () => {
     expect((await inbox(bob.token)).unread).toBe(0);
   });
 
+  it('blocking removes notifications between the two', async () => {
+    const { alice } = await setup();
+    expect((await inbox(alice.token)).notifications).toHaveLength(1);
+    await app().inject({ method: 'POST', url: '/users/bob/block', headers: bearer(alice.token), payload: {} });
+    expect((await inbox(alice.token)).notifications).toHaveLength(0);
+  });
+
   it('saves notification settings', async () => {
     const { alice } = await setup();
     const me = (await app().inject({ method: 'PATCH', url: '/me', headers: bearer(alice.token), payload: { notifyPrefs: { follow: false } } })).json();