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>

package.json

@@ -4,6 +4,7 @@
   "packageManager": "pnpm@10.17.0",
   "scripts": {
     "dev": "turbo run dev --parallel",
+    "dev:stop": "echo 'Stopping dev servers...' && pkill -f 'astro.js dev' && pkill -f 'next dev' && pkill -f 'pnpm dev' && echo 'Dev servers stopped' || echo 'No dev servers were running'",
     "build": "turbo run build",
     "lint": "turbo run lint",
     "test": "turbo run test"