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Sure! Please provide the content of the git diff so I can help you generate a concise commit message. (#4667)

Co-authored-by: gru-agent[bot] <185149714+gru-agent[bot]@users.noreply.github.com>

test/cases/web/common/utils/eventbus.test.ts

+import { describe, it, expect, vi } from 'vitest';
+import { EventNameEnum, eventBus } from '@/web/common/utils/eventbus';
+
+describe('eventBus', () => {
+  it('should register event handler with on()', () => {
+    const handler = vi.fn();
+    eventBus.on(EventNameEnum.sendQuestion, handler);
+
+    expect(eventBus.list.get(EventNameEnum.sendQuestion)).toBe(handler);
+  });
+
+  it('should emit event with data', () => {
+    const handler = vi.fn();
+    eventBus.on(EventNameEnum.sendQuestion, handler);
+
+    const data = { question: 'test' };
+    eventBus.emit(EventNameEnum.sendQuestion, data);
+
+    expect(handler).toHaveBeenCalledWith(data);
+  });
+
+  it('should emit event without data', () => {
+    const handler = vi.fn();
+    eventBus.on(EventNameEnum.editQuestion, handler);
+
+    eventBus.emit(EventNameEnum.editQuestion);
+
+    expect(handler).toHaveBeenCalledWith({});
+  });
+
+  it('should remove event handler with off()', () => {
+    const handler = vi.fn();
+    eventBus.on(EventNameEnum.openQuoteReader, handler);
+    eventBus.off(EventNameEnum.openQuoteReader);
+
+    expect(eventBus.list.has(EventNameEnum.openQuoteReader)).toBe(false);
+  });
+
+  it('should not call handler after off()', () => {
+    const handler = vi.fn();
+    eventBus.on(EventNameEnum.sendQuestion, handler);
+    eventBus.off(EventNameEnum.sendQuestion);
+
+    eventBus.emit(EventNameEnum.sendQuestion, { test: true });
+
+    expect(handler).not.toHaveBeenCalled();
+  });
+
+  it('should handle non-existent event emission', () => {
+    expect(() => {
+      eventBus.emit(EventNameEnum.editQuestion);
+    }).not.toThrow();
+  });
+});