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/auth.spec.ts

@@ -0,0 +1,23 @@
+import { describe, it, expect } from 'vitest';
+import { authService } from '../src/services/auth';
+
+describe('Auth Service', () => {
+  it('should login user', async () => {
+    // Mock fetch
+    global.fetch = vi.fn(() =>
+      Promise.resolve({
+        ok: true,
+        json: () => Promise.resolve({ user: { id: 1, email: 'test@example.com' }, token: 'token' })
+      })
+    );
+
+    const result = await authService.login('test@example.com', 'password');
+    expect(result.user.email).toBe('test@example.com');
+  });
+
+  it('should get current user', async () => {
+    authService.token = 'token';
+    const user = await authService.getCurrentUser();
+    expect(user).toBeDefined();
+  });
+});