feat(web): share realtime hub across domain events

tests/web/dashboard-event-wiring.test.ts

@@ -0,0 +1,19 @@
+import { describe, expect, it } from 'vitest';
+import { LogBroadcaster } from '../../src/web/log-broadcaster.js';
+import { RealtimeEventHub } from '../../src/web/events/index.js';
+
+describe('dashboard event wiring', () => {
+  it('publishes domain and log events through the same ordered hub', () => {
+    const hub = new RealtimeEventHub({ capacity: 20 });
+    const broadcaster = new LogBroadcaster(hub);
+    const received: string[] = [];
+    const subscription = hub.subscribe((event) => received.push(event.type));
+
+    broadcaster.dashboardEvents.bot({ running: true, dryRun: false });
+    broadcaster.push('info', 'Bot started');
+
+    expect(received).toEqual(['bot.status.changed', 'log.created']);
+    subscription.unsubscribe();
+    broadcaster.closeAll();
+  });
+});