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/contact.spec.ts

@@ -0,0 +1,19 @@
+import { test, expect } from '@playwright/test';
+
+test('contact form submission', async ({ page }) => {
+  await page.goto('/contact-us');
+
+  await page.fill('#name', 'Test User');
+  await page.fill('#email', 'test@example.com');
+  await page.fill('#message', 'Test message');
+
+  // Mock form submission
+  await page.route('**/submit-contact', async route => {
+    await route.fulfill({ status: 200, body: 'OK' });
+  });
+
+  await page.click('button[type="submit"]');
+
+  // Check for success message or redirect
+  await expect(page.locator('body')).toContainText('submitted');
+});