Initial commit: Anvil Lounge chat application

- React frontend with Vite + TypeScript
- Cloudflare Worker backend with Durable Objects
- AI-powered chat moderation via OpenAI
- WebSocket-based real-time messaging
- XSS prevention, rate limiting, input validation

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

worker/wrangler.toml

@@ -0,0 +1,18 @@
+name = "chat-worker"
+main = "src/index.ts"
+compatibility_date = "2024-01-01"
+
+[durable_objects]
+bindings = [
+  { name = "CHAT_ROOM", class_name = "ChatRoom" }
+]
+
+[[migrations]]
+tag = "v1"
+new_classes = ["ChatRoom"]
+
+[vars]
+ENVIRONMENT = "development"
+
+# OpenAI API key is stored as a secret
+# Run: wrangler secret put OPENAI_API_KEY