test(plugin-approvals): the actor battery covers the opening's forwarded person

Claude-Session: https://claude.ai/code/session_013j5gkUCpqQiti4GgPqqmnt
Co-authored-by: Claude <noreply@anthropic.com>

Author: claude

packages/plugins/plugin-approvals/src/actor-lookups-hold-ids.integration.test.ts

@@ -279,6 +279,9 @@ describe('ADR-0118 D1 — every sys_user lookup approvals writes holds an id or
     expect(actorOf('approval.reminder')).toEqual(['u_sub']);
     expect(actorOf('approval.reassigned')).toEqual(['u_legal', 'u_alice']);
     expect(actorOf('approval.returned')).toEqual(['u_alice']);
+    // The opening forwards the person whose run opened the step — never the
+    // email slot the `link` request opened on.
+    expect(actorOf('approval.requested')).toEqual(['u_sub']);
   });
 
   it('each machine actor writes null, and its notifications name no actor', async () => {