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/redirects.js

@@ -0,0 +1,25 @@
+// 301 Redirects for SEO preservation
+// Map old URLs to new URLs
+
+const redirects = {
+  // Old static pages
+  '/about-enchun': '/about-enchun',
+  '/contact-us': '/contact-us',
+  '/marketing-solutions': '/marketing-solutions',
+  '/news': '/news',
+  '/teams': '/teams',
+  '/website-portfolio': '/website-portfolio',
+  '/marketingclass': '/marketing-class', // deprecated, but redirect if needed
+
+  // Blog posts - keep same for SEO
+  '/xing-xiao-fang-da-jing/2-zhao-yao-kong-xiao-fei-zhe-de-xin': '/xing-xiao-fang-da-jing/2-zhao-yao-kong-xiao-fei-zhe-de-xin',
+  // Add all from sitemap...
+  '/wen-zhang-fen-lei/en-qun-shu-wei-zui-xin-gong-gao': '/wen-zhang-fen-lei/en-qun-shu-wei-zui-xin-gong-gao',
+  // Add all...
+
+  // Portfolios
+  '/webdesign-profolio/web-design-project-2': '/webdesign-profolio/web-design-project-2',
+  // Add all...
+};
+
+export default redirects;