feat(workspace): add formatting shortcuts for bold, italic, and links in outliner

frontend/src/lib/__tests__/markdown.test.tsx

@@ -0,0 +1,35 @@
+import { describe, it, expect } from 'vitest';
+import { render } from '@testing-library/react';
+import { renderInlineMarkdown } from '../markdown';
+
+describe('renderInlineMarkdown', () => {
+  it('renders bold text with <strong> tag', () => {
+    const { container } = render(<div>{renderInlineMarkdown('Text mit **fettem** Wort')}</div>);
+    const strong = container.querySelector('strong');
+    expect(strong).toBeTruthy();
+    expect(strong?.textContent).toBe('fettem');
+  });
+
+  it('renders italic text with <em> tag', () => {
+    const { container } = render(<div>{renderInlineMarkdown('Text mit *kursivem* Wort')}</div>);
+    const em = container.querySelector('em');
+    expect(em).toBeTruthy();
+    expect(em?.textContent).toBe('kursivem');
+  });
+
+  it('renders both bold and italic text in one paragraph', () => {
+    const { container } = render(<div>{renderInlineMarkdown('Hier ist **fett** und *kursiv* vereint')}</div>);
+    const strong = container.querySelector('strong');
+    const em = container.querySelector('em');
+    expect(strong?.textContent).toBe('fett');
+    expect(em?.textContent).toBe('kursiv');
+  });
+
+  it('renders links correctly', () => {
+    const { container } = render(<div>{renderInlineMarkdown('[Testseite](https://example.com)')}</div>);
+    const link = container.querySelector('a');
+    expect(link).toBeTruthy();
+    expect(link?.getAttribute('href')).toBe('https://example.com/');
+    expect(link?.textContent).toBe('Testseite');
+  });
+});