LifeTown Online — browser multiplayer life-sim MVP

- Server-authoritative Node/WS server: sessions, zones (town + instanced homes + public venue interiors), NPC routines, economy, relationships, persistence
- TypeScript + Three.js client: character creator, Maple Court district, enterable venues (café, city hall, gym, store, arcade), build mode with 58-item furniture catalog, needs/mood systems, phone UI, day/night + weather, procedural audio
- Verified by two-client e2e protocol suite and headless-browser walkthrough

tsconfig.json

@@ -0,0 +1,17 @@
+{
+  "compilerOptions": {
+    "target": "ES2020",
+    "module": "ESNext",
+    "moduleResolution": "bundler",
+    "lib": ["ES2020", "DOM", "DOM.Iterable"],
+    "strict": true,
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "skipLibCheck": true,
+    "esModuleInterop": true,
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "noEmit": true
+  },
+  "include": ["client/src"]
+}