fix(server): remove root JSON endpoint to allow static file serving

- Remove GET '/' endpoint that returned API status JSON
- Allows static middleware to serve React app at root
- Healthcheck still works at GET /health
- Fixes aethex.app showing JSON instead of web app

server/index.ts

@@ -25,21 +25,6 @@ app.get("/health", (_req, res) => {
   res.json({ status: "healthy", timestamp: new Date().toISOString() });
 });
 
-// Root health check (Railway uses this)
-app.get("/", (_req, res) => {
-  res.json({
-    status: "online",
-    service: "AeThex OS API",
-    version: "1.0.0",
-    timestamp: new Date().toISOString(),
-    endpoints: {
-      web: "Use client to access web interface",
-      api: "/api/*",
-      download: "/api/download/*"
-    }
-  });
-});
-
 // API status endpoint (moved from root to /api/status)
 app.get("/api/status", (_req, res) => {
   const isKernel = process.env.OPS_Version ? true : false;