chore: initial project scaffold with Fastify server and Vite React app

Set up monorepo structure with server/ (Fastify + TypeScript) and web/ (React + Vite + TypeScript).
Includes package configs, dev proxy setup, and mobile-first CSS foundation.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

server/package.json

@@ -0,0 +1,27 @@
+{
+  "name": "spelljammer-server",
+  "version": "1.0.0",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "tsx watch src/index.ts",
+    "build": "tsc",
+    "start": "node dist/index.js"
+  },
+  "dependencies": {
+    "fastify": "^5.2.1",
+    "@fastify/static": "^8.1.0",
+    "@fastify/cors": "^11.0.0",
+    "socket.io": "^4.8.1",
+    "better-sqlite3": "^11.8.1",
+    "uuid": "^11.1.0",
+    "zod": "^3.24.2"
+  },
+  "devDependencies": {
+    "typescript": "^5.7.3",
+    "tsx": "^4.19.3",
+    "@types/better-sqlite3": "^7.6.13",
+    "@types/uuid": "^10.0.0",
+    "@types/node": "^18.19.0"
+  }
+}

server/src/config.ts

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+export const PORT = parseInt(process.env.PORT || '3000', 10);
+export const DB_PATH = process.env.DB_PATH || './data/spelljammer.sqlite';
+export const NODE_ENV = process.env.NODE_ENV || 'development';

server/src/index.ts

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+import Fastify from 'fastify';
+import { PORT } from './config.js';
+
+const app = Fastify({ logger: true });
+
+app.get('/', async () => {
+  return { name: 'Spelljammer Ship Tracker API', status: 'ok' };
+});
+
+const start = async () => {
+  try {
+    await app.listen({ port: PORT, host: '0.0.0.0' });
+    console.log(`Server running on port ${PORT}`);
+  } catch (err) {
+    app.log.error(err);
+    process.exit(1);
+  }
+};
+
+start();

server/tsconfig.json

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+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
+    "outDir": "dist",
+    "rootDir": "src",
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true,
+    "resolveJsonModule": true,
+    "declaration": true,
+    "declarationMap": true,
+    "sourceMap": true
+  },
+  "include": ["src"],
+  "exclude": ["node_modules", "dist"]
+}