feat: Landing Page and Login/Register Modal 1.00

tests/frontend/landing-welcome.spec.ts

@@ -0,0 +1,36 @@
+import { renderMarkdownToHtml } from '../../frontend/src/app/core/services/markdown.pure';
+
+describe('Landing welcome binding (mirrors landing.component.ts/.html)', () => {
+  function welcomeHtmlFor(payload: { welcomeMarkdown: string } | null | undefined): string {
+    return renderMarkdownToHtml(payload?.welcomeMarkdown ?? '');
+  }
+
+  it('renders the welcome Markdown from the bootstrap payload', () => {
+    const html = welcomeHtmlFor({
+      welcomeMarkdown: '# Welcome\n\nCreate the first admin to get started.',
+    });
+    expect(typeof html).toBe('string');
+    expect(html).toContain('<h1>Welcome</h1>');
+    expect(html).toContain('Create the first admin to get started.');
+    expect(html).not.toContain('=>{if');
+  });
+
+  it('produces a safe empty string when payload is missing', () => {
+    expect(typeof welcomeHtmlFor(null)).toBe('string');
+    expect(welcomeHtmlFor(null)).not.toContain('=>{if');
+  });
+
+  it('produces a safe empty string when welcomeMarkdown is empty', () => {
+    expect(typeof welcomeHtmlFor({ welcomeMarkdown: '' })).toBe('string');
+    expect(welcomeHtmlFor({ welcomeMarkdown: '' })).not.toContain('=>{if');
+  });
+
+  it('keeps sanitization when the welcome Markdown contains hostile content', () => {
+    const html = welcomeHtmlFor({
+      welcomeMarkdown: '# Hello\n\n<script>alert(1)</script>\n\n[bad](javascript:alert(1))',
+    });
+    expect(html).toContain('<h1>Hello</h1>');
+    expect(html).not.toContain('<script>');
+    expect(html).not.toMatch(/href="javascript:/i);
+  });
+});