lazy load fat modules, cut WS sizes + start dropping notifications at a certain point

Overlord-Server/src/main-server.ts

@@ -180,8 +180,7 @@ function parseMaxHttpBodyBytes(): number {
     }
     logger.warn(`[HTTP] Invalid OVERLORD_MAX_HTTP_BODY_BYTES=${raw}; using default`);
   }
-  // Default to 2 GiB to allow large ISO uploads in file browser staging.
-  return 2 * 1024 * 1024 * 1024;
+  return 100 * 1024 * 1024;
 }
 
 const MAX_HTTP_BODY_BYTES = parseMaxHttpBodyBytes();