pref: markdown渲染优化

AgentTest/AgentTest.csproj

@@ -70,6 +70,7 @@
     <Compile Include="EmbeddingClientTests.cs" />
     <Compile Include="ToolPermissionTests.cs" />
     <Compile Include="TextEncodingTests.cs" />
+    <Compile Include="MarkdownRendererTests.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Tools\Tools.csproj">

AgentTest/MarkdownRendererTests.cs

+using System;
+using System.Collections.Generic;
+using Tools.MyAgent;
+
+namespace AgentTest
+{
+    /// <summary>
+    /// MarkdownRenderer 渲染回归测试（D7：数字序号后键帽方框）
+    /// </summary>
+    public class MarkdownRendererTests : TestRunner
+    {
+        private static string Render(string content)
+        {
+            return MarkdownRenderer.BuildChatRtf(
+                new List<ChatMessage>
+                {
+                    new ChatMessage { Role = "assistant", Content = content, Timestamp = DateTime.Now }
+                },
+                null);
+        }
+
+        [Test]
+        public void KeycapEmoji_NoTofuBoxAfterDigit()
+        {
+            // "### 1️⃣ 排查方法论" = '1' + U+FE0F(VS16) + U+20E3(键帽)。
+            // 回归：U+20E3 不得以 \u8355? 残留（微软雅黑缺字形 → 数字序号后渲染出方框 □）。
+            string rtf = Render("### 1️⃣ 排查方法论");
+
+            Assert.NotContains(rtf, @"\u8355?", "键帽 U+20E3 转义残留");
+            Assert.NotContains(rtf, @"\u-497?", "VS16 U+FE0F 转义残留");
+            // 数字 1 与正文应完整保留（方 26041 / 法 27861 / 论 U+8BBA 超 short 范围 → -29766）
+            Assert.Contains(rtf, @"\u26041?\u27861?\u-29766?", "正文缺失");
+        }
+
+        [Test]
+        public void OrderedList_StillRendered()
+        {
+            string rtf = Render("1. Step one\n2. Step two");
+            Assert.Contains(rtf, "1. Step one");
+            Assert.Contains(rtf, "2. Step two");
+        }
+    }
+}

Tools/MyAgent/Support/MarkdownRenderer.cs

@@ -612,9 +612,14 @@ namespace Tools.MyAgent
             }
         }
 
-        /// <summary>零宽/不可见格式字符（D4）：无展示价值且多数字体缺字形，丢弃避免显示 □</summary>
+        /// <summary>零宽/不可见格式字符（D4/D7）：无展示价值且多数字体缺字形，丢弃避免显示 □</summary>
         private static bool IsInvisibleFormatChar(char c)
         {
+            // 组合用符号区段（U+20D0–U+20FF，D7）：组合修饰符，单独无展示价值且微软雅黑缺字形。
+            // 如 1️⃣ 的键帽 U+20E3（VS16 已在上方丢弃），若保留会转义为 \u8355? 并以微软雅黑渲染，
+            // 缺字形 → 数字序号后紧跟方框 □；整体丢弃后仅剩纯数字，无内容损失。
+            if (c >= 0x20D0 && c <= 0x20FF)
+                return true;
             switch (c)
             {
                 case '\u00AD':   // 软连字符

Tools/Tools.csproj

@@ -42,7 +42,7 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="BouncyCastle.Crypto, Version=1.8.6.0, Culture=neutral, PublicKeyToken=0e99375e54769942, processorArchitecture=MSIL">
-      <HintPath>..\FunnyPick\packages\Portable.BouncyCastle.1.8.6\lib\net40\BouncyCastle.Crypto.dll</HintPath>
+      <HintPath>..\packages\Portable.BouncyCastle.1.8.6\lib\net40\BouncyCastle.Crypto.dll</HintPath>
     </Reference>
     <Reference Include="ICSharpCode.SharpZipLib, Version=1.3.2.10, Culture=neutral, PublicKeyToken=1b03e6acf1164f73, processorArchitecture=MSIL">
       <HintPath>..\packages\SharpZipLib.1.3.2\lib\net45\ICSharpCode.SharpZipLib.dll</HintPath>
@@ -57,16 +57,16 @@
       <HintPath>..\packages\Npgsql.6.0.3\lib\netstandard2.0\Npgsql.dll</HintPath>
     </Reference>
     <Reference Include="NPOI, Version=2.5.1.0, Culture=neutral, PublicKeyToken=0df73ec7942b34e1, processorArchitecture=MSIL">
-      <HintPath>..\FunnyPick\packages\NPOI.2.5.1\lib\net45\NPOI.dll</HintPath>
+      <HintPath>..\packages\NPOI.2.5.1\lib\net45\NPOI.dll</HintPath>
     </Reference>
     <Reference Include="NPOI.OOXML, Version=2.5.1.0, Culture=neutral, PublicKeyToken=0df73ec7942b34e1, processorArchitecture=MSIL">
-      <HintPath>..\FunnyPick\packages\NPOI.2.5.1\lib\net45\NPOI.OOXML.dll</HintPath>
+      <HintPath>..\packages\NPOI.2.5.1\lib\net45\NPOI.OOXML.dll</HintPath>
     </Reference>
     <Reference Include="NPOI.OpenXml4Net, Version=2.5.1.0, Culture=neutral, PublicKeyToken=0df73ec7942b34e1, processorArchitecture=MSIL">
-      <HintPath>..\FunnyPick\packages\NPOI.2.5.1\lib\net45\NPOI.OpenXml4Net.dll</HintPath>
+      <HintPath>..\packages\NPOI.2.5.1\lib\net45\NPOI.OpenXml4Net.dll</HintPath>
     </Reference>
     <Reference Include="NPOI.OpenXmlFormats, Version=2.5.1.0, Culture=neutral, PublicKeyToken=0df73ec7942b34e1, processorArchitecture=MSIL">
-      <HintPath>..\FunnyPick\packages\NPOI.2.5.1\lib\net45\NPOI.OpenXmlFormats.dll</HintPath>
+      <HintPath>..\packages\NPOI.2.5.1\lib\net45\NPOI.OpenXmlFormats.dll</HintPath>
     </Reference>
     <Reference Include="PresentationCore" />
     <Reference Include="PresentationFramework" />