Scaffold monorepo: engine, server, and web packages

npm workspaces with three TypeScript packages: @wizwar/engine (pure
game logic), @wizwar/server (Node websocket authority), @wizwar/web
(Svelte 5 + Vite client). Server handshake and client build verified.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

packages/server/package.json

@@ -0,0 +1,22 @@
+{
+  "name": "@wizwar/server",
+  "version": "0.1.0",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "tsx watch src/index.ts",
+    "typecheck": "tsc --noEmit",
+    "test": "vitest run"
+  },
+  "dependencies": {
+    "@wizwar/engine": "*",
+    "ws": "^8.18.0"
+  },
+  "devDependencies": {
+    "@types/node": "^22.0.0",
+    "@types/ws": "^8.5.0",
+    "tsx": "^4.19.0",
+    "typescript": "^5.6.0",
+    "vitest": "^2.1.0"
+  }
+}

packages/server/src/index.ts

@@ -0,0 +1,14 @@
+import { WebSocketServer } from "ws";
+
+const port = Number(process.env.PORT ?? 8787);
+const wss = new WebSocketServer({ port });
+
+wss.on("connection", (socket) => {
+  socket.send(JSON.stringify({ type: "hello", game: "wizwar" }));
+  socket.on("message", (data) => {
+    // TODO: route client commands into game rooms once the engine exists.
+    console.log("received:", data.toString());
+  });
+});
+
+console.log(`wizwar server listening on ws://localhost:${port}`);

packages/server/tsconfig.json

@@ -0,0 +1,8 @@
+{
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "noEmit": true,
+    "types": ["node"]
+  },
+  "include": ["src"]
+}