Diablo2D — Shadows of Tristram: complete browser ARPG

- Isometric canvas renderer (depth-sorted, FOV/fog, additive lighting)
- 3 classes x 20 skills, 4 acts x 4 floors + boss lairs, torment I-X
- Diablo-style loot: rarities, affix tiers, 14 legendaries, vendor, stash
- Rogue camp with 6 NPCs: Charsi/Akara/Kashya/Cain/Gheed/storage
- NPC quest chain (accept -> hunt -> turn in) with rewards & gating
- Procedural WebAudio SFX + generative music, EN/VI localization
- Saves, settings, waypoints, hardcore mode, PWA manifest
- 93-assertion headless suite + browser E2E via CDP

server.js

@@ -0,0 +1,37 @@
+#!/usr/bin/env node
+/* Tiny zero-dependency static server for Diablo2D.
+ *   node server.js [port]     (default 8080)
+ */
+const http = require('http');
+const fs = require('fs');
+const path = require('path');
+
+const PORT = parseInt(process.argv[2] || process.env.PORT || '8080', 10);
+const ROOT = __dirname;
+const MIME = {
+  '.html': 'text/html; charset=utf-8',
+  '.js': 'text/javascript; charset=utf-8',
+  '.mjs': 'text/javascript; charset=utf-8',
+  '.css': 'text/css; charset=utf-8',
+  '.json': 'application/json',
+  '.webmanifest': 'application/manifest+json',
+  '.png': 'image/png',
+  '.svg': 'image/svg+xml',
+  '.ico': 'image/x-icon',
+  '.md': 'text/plain; charset=utf-8',
+};
+
+http.createServer((req, res) => {
+  let urlPath = decodeURIComponent((req.url || '/').split('?')[0]);
+  if (urlPath.endsWith('/')) urlPath += 'index.html';
+  const file = path.normalize(path.join(ROOT, urlPath));
+  if (!file.startsWith(ROOT)) { res.writeHead(403); return res.end('forbidden'); }
+  fs.readFile(file, (err, data) => {
+    if (err) { res.writeHead(404); return res.end('not found'); }
+    res.writeHead(200, {
+      'Content-Type': MIME[path.extname(file)] || 'application/octet-stream',
+      'Cache-Control': 'no-cache',
+    });
+    res.end(data);
+  });
+}).listen(PORT, () => console.log(`Diablo2D running → http://localhost:${PORT}`));