完善开发环境工具、音乐服务和界面性能

src/YMhut.Box.Core/Tools/SerialTerminalModels.cs

@@ -55,7 +55,18 @@ public static class SerialPayloadCodec
             return Encoding.UTF8.GetBytes(value ?? string.Empty);
         }
 
-        var compact = new string((value ?? string.Empty).Where(Uri.IsHexDigit).ToArray());
+        var input = value ?? string.Empty;
+        foreach (var character in input)
+        {
+            if (!char.IsAsciiHexDigit(character) &&
+                !char.IsWhiteSpace(character) &&
+                character is not (',' or ';' or ':' or '-'))
+            {
+                throw new FormatException("Hexadecimal input contains an invalid character.");
+            }
+        }
+
+        var compact = new string(input.Where(char.IsAsciiHexDigit).ToArray());
         if (compact.Length == 0)
         {
             return [];
@@ -77,7 +88,13 @@ public static class SerialPayloadCodec
     }
 
     public static string Format(ReadOnlySpan<byte> data, bool hexadecimal)
-        => hexadecimal
-            ? Convert.ToHexString(data).Chunk(2).Select(chars => new string(chars)).Aggregate(string.Empty, (current, item) => string.IsNullOrEmpty(current) ? item : current + " " + item)
-            : Encoding.UTF8.GetString(data);
+    {
+        if (!hexadecimal)
+        {
+            return Encoding.UTF8.GetString(data);
+        }
+
+        var encoded = Convert.ToHexString(data);
+        return string.Join(' ', encoded.Chunk(2).Select(chars => new string(chars)));
+    }
 }