chore(workflow): add AI-assisted workflow commands and configurations

Add comprehensive workflow commands for AI-assisted development:
- Claude commands: analyze, clarify, plan
- Kilocode workflows: full feature development lifecycle
- Opencode commands: specification and implementation workflows
- Roo MCP configuration for tool integration

Update .gitignore to exclude .astro build cache directories.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

apps/frontend/tests/components.spec.ts

@@ -0,0 +1,10 @@
+import { describe, it, expect } from 'vitest';
+import { render } from '@testing-library/react'; // Assume setup
+
+describe('Header Component', () => {
+  it('renders navigation links', () => {
+    // const { getByText } = render(<Header />);
+    // expect(getByText('關於恩群')).toBeInTheDocument();
+    expect(true).toBe(true); // Placeholder
+  });
+});