Clean up unused code and sync Terraform state

- Remove unused Express server (server.js)
- Remove unused API route (src/pages/api/filaments.ts)
- Remove Express dependency and related scripts from package.json
- Import existing AWS domain association into Terraform
- Add domain configuration to terraform.tfvars
- Update domain association to include www and dev subdomains
- Set wait_for_verification to false to avoid timeouts

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

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

package.json

@@ -5,8 +5,6 @@
   "type": "module",
   "scripts": {
     "dev": "vite",
-    "dev:server": "node server.js",
-    "dev:all": "npm run dev:server & npm run dev",
     "build": "tsc && vite build",
     "preview": "vite preview",
     "lint": "eslint . --ext ts,tsx --report-unused-disable-directives --max-warnings 0"
@@ -15,7 +13,6 @@
     "@types/cheerio": "^0.22.35",
     "axios": "^1.6.2",
     "cheerio": "^1.1.0",
-    "express": "^4.18.2",
     "react": "^18.2.0",
     "react-dom": "^18.2.0"
   },