Replace error handling package with emperror; add better reporting for errors escaping server root

server/websockets.go

@@ -7,7 +7,7 @@ import (
 )
 
 type WebsocketBag struct {
-	mu sync.Mutex
+	mu    sync.Mutex
 	conns map[uuid.UUID]*context.CancelFunc
 }
 
@@ -58,4 +58,4 @@ func (w *WebsocketBag) CancelAll() {
 
 	// Reset the connections.
 	w.conns = make(map[uuid.UUID]*context.CancelFunc)
-}
+}