add throughput, format code, and begin to add MUC preview window

helpers.go

@@ -2,25 +2,24 @@
 package main
 
 import (
-	"sync"
 	"sort"
+	"sync"
 )
 
 func rangeOrdered(m *sync.Map, fn func(k, v any) bool) {
-    var keys []string
+	var keys []string
 
-    m.Range(func(k, v any) bool {
-        keys = append(keys, k.(string))
-        return true
-    })
+	m.Range(func(k, v any) bool {
+		keys = append(keys, k.(string))
+		return true
+	})
 
-    sort.Strings(keys)
+	sort.Strings(keys)
 
-    for _, k := range keys {
-        v, _ := m.Load(k)
-        if !fn(k, v) {
-            break
-        }
-    }
+	for _, k := range keys {
+		v, _ := m.Load(k)
+		if !fn(k, v) {
+			break
+		}
+	}
 }
-