diff --git a/src/HuaJiBot.NET.Plugin.Calendar/ClubAffairsReminder.cs b/src/HuaJiBot.NET.Plugin.Calendar/ClubAffairsReminder.cs
index f98f407..081587b 100644
--- a/src/HuaJiBot.NET.Plugin.Calendar/ClubAffairsReminder.cs
+++ b/src/HuaJiBot.NET.Plugin.Calendar/ClubAffairsReminder.cs
@@ -157,7 +157,13 @@ internal bool SendWeeklySummary(DateTimeOffset now)
                 continue;
             _ = Service.TrySendGroupMessageAsync(
                 group.GroupId,
-                BuildWeeklySummaryMessage(now, weekEnd, groupEvents)
+                new Post(
+                    $"📢 **社团事务一周预告**（{now:MM月dd日}～{weekEnd:MM月dd日}）\n\n{Items(groupEvents, true)}",
+                    BuildWeeklySummaryMessage(now, weekEnd, groupEvents)
+                )
+                {
+                    Tags = ["日程", "周预告"],
+                }
             );
             Service.Log($"[社团事务] 已向群组 {group.GroupId} 发送每周汇总");
         }
@@ -187,13 +193,33 @@ internal bool SendDailyReminder(DateTimeOffset now)
                 continue;
             _ = Service.TrySendGroupMessageAsync(
                 group.GroupId,
-                BuildDailyReminderMessage(tomorrow, groupEvents)
+                new Post(
+                    $"⏰ **明天截止**（{tomorrow:MM月dd日}）\n\n{Items(groupEvents, false)}",
+                    BuildDailyReminderMessage(tomorrow, groupEvents)
+                )
+                {
+                    Tags = ["日程", "临期"],
+                }
             );
             Service.Log($"[社团事务] 已向群组 {group.GroupId} 发送每日提醒");
         }
         return true;
     }
 
+    private string Items(
+        List<(CalendarExtensions.Period period, CalendarEvent e)> events,
+        bool withDate
+    ) =>
+        string.Join(
+            "\n",
+            from x in events
+            let responsible = ExtractResponsible(x.e)
+            select "- "
+                + (withDate ? $"{x.period.StartTime:MM月dd日} " : "")
+                + $"**{Post.Escape(x.e.Summary ?? "未命名事务")}**"
+                + (string.IsNullOrEmpty(responsible) ? "" : $"（负责人：{Post.Escape(responsible)}）")
+        );
+
     private string BuildWeeklySummaryMessage(
         DateTimeOffset weekStart,
         DateTimeOffset weekEnd,
diff --git a/src/HuaJiBot.NET.Plugin.Calendar/ReminderTask.cs b/src/HuaJiBot.NET.Plugin.Calendar/ReminderTask.cs
index b3ad93a..694c60c 100644
--- a/src/HuaJiBot.NET.Plugin.Calendar/ReminderTask.cs
+++ b/src/HuaJiBot.NET.Plugin.Calendar/ReminderTask.cs
@@ -43,10 +43,10 @@ public void Start()
 
     private DateTimeOffset _scheduledTimeEnd = Utils.NetworkTime.Now; //截止到该时间点的日程已经在Task队列中列入计划了
 
-    private void SendToMatchedGroups(CalendarEvent e, string text)
+    private void SendToMatchedGroups(CalendarEvent e, Post post)
     {
         foreach (var group in Config.ReminderGroups.Where(g => g.Matches(e)))
-            _ = Service.TrySendGroupMessageAsync(group.GroupId, text);
+            _ = Service.TrySendGroupMessageAsync(group.GroupId, post);
     }
 
     [MethodImpl(MethodImplOptions.Synchronized)] //防止多线程同时更新时间节点
@@ -74,12 +74,18 @@ private void InvokeCheck()
                 ScheduleReminder(
                     period.StartTime.AddMinutes(-RemindBeforeStartMinutes) - now,
                     e,
-                    $"""
-                    日程提醒（{period.StartTime:MM-dd HH:mm}）：
-                    {e.Summary} {e.Location}
-                    {e.Description}
-                    将于 {RemindBeforeStartMinutes} 分钟后开始
-                    """
+                    StartPost(
+                        period.StartTime,
+                        e.End is null ? null : period.EndTime,
+                        e,
+                        RemindBeforeStartMinutes,
+                        $"""
+                        日程提醒（{period.StartTime:MM-dd HH:mm}）：
+                        {e.Summary} {e.Location}
+                        {e.Description}
+                        将于 {RemindBeforeStartMinutes} 分钟后开始
+                        """
+                    )
                 );
             }
 
@@ -92,11 +98,15 @@ private void InvokeCheck()
                 ScheduleReminder(
                     period.EndTime.AddMinutes(-RemindBeforeEndMinutes) - now,
                     e,
-                    $"""
-                    日程提醒（{period.EndTime:MM-dd HH:mm}）：
-                    {e.Summary} {e.Location}
-                    预计于 {RemindBeforeEndMinutes} 分钟后结束
-                    """
+                    EndPost(
+                        e,
+                        RemindBeforeEndMinutes,
+                        $"""
+                        日程提醒（{period.EndTime:MM-dd HH:mm}）：
+                        {e.Summary} {e.Location}
+                        预计于 {RemindBeforeEndMinutes} 分钟后结束
+                        """
+                    )
                 );
             }
         }
@@ -106,7 +116,37 @@ private void InvokeCheck()
         }
     }
 
-    private void ScheduleReminder(TimeSpan waiting, CalendarEvent e, string text)
+    internal static Post StartPost(
+        DateTimeOffset start,
+        DateTimeOffset? end,
+        CalendarEvent e,
+        int minutes,
+        string fallback
+    )
+    {
+        var when = end is { } x ? $"🕘 {start:MM-dd HH:mm}–{x:HH:mm}" : $"🕘 {start:MM-dd HH:mm}";
+        if (!string.IsNullOrWhiteSpace(e.Location))
+            when += $" · 📍 {Post.Escape(e.Location)}";
+        var markdown = $"⏰ **{Post.Escape(e.Summary ?? "")}** {minutes} 分钟后开始\n{when}";
+        if (!string.IsNullOrWhiteSpace(e.Description))
+            markdown +=
+                "\n\n"
+                + string.Join(
+                    "\n",
+                    from line in e.Description.ReplaceLineEndings("\n").Trim().Split('\n')
+                    select "> " + Post.Escape(line)
+                );
+        return new(markdown, fallback) { Tags = ["日程"] };
+    }
+
+    internal static Post EndPost(CalendarEvent e, int minutes, string fallback) =>
+        new($"🔚 **{Post.Escape(e.Summary ?? "")}** 预计 {minutes} 分钟后结束", fallback)
+        {
+            Tags = ["日程"],
+            Silent = true,
+        };
+
+    private void ScheduleReminder(TimeSpan waiting, CalendarEvent e, Post post)
     {
         if (waiting < TimeSpan.Zero)
             return;
@@ -114,7 +154,7 @@ private void ScheduleReminder(TimeSpan waiting, CalendarEvent e, string text)
             .ContinueWith(_ =>
             {
                 Service.Log($"[日程] 发送提醒：{e.Summary}");
-                SendToMatchedGroups(e, text);
+                SendToMatchedGroups(e, post);
             });
         Service.Log($"[日程] 计划发送提醒：{e.Summary} ({waiting.TotalMinutes:F1}分钟后发送)");
     }
diff --git a/src/HuaJiBot.NET.Plugin.MessageBridge/HuaJiBot.NET.Plugin.MessageBridge.csproj b/src/HuaJiBot.NET.Plugin.MessageBridge/HuaJiBot.NET.Plugin.MessageBridge.csproj
index de057c7..826340b 100644
--- a/src/HuaJiBot.NET.Plugin.MessageBridge/HuaJiBot.NET.Plugin.MessageBridge.csproj
+++ b/src/HuaJiBot.NET.Plugin.MessageBridge/HuaJiBot.NET.Plugin.MessageBridge.csproj
@@ -11,4 +11,8 @@
     <ProjectReference Include="..\HuaJiBot.NET\HuaJiBot.NET.csproj" />
     <ProjectReference Include="..\HuaJiBot.NET.SourceGenerator\HuaJiBot.NET.SourceGenerator.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false" />
   </ItemGroup>
+
+  <ItemGroup>
+    <InternalsVisibleTo Include="HuaJiBot.NET.UnitTest" />
+  </ItemGroup>
 </Project>
diff --git a/src/HuaJiBot.NET.Plugin.MessageBridge/MinecraftPosts.cs b/src/HuaJiBot.NET.Plugin.MessageBridge/MinecraftPosts.cs
new file mode 100644
index 0000000..9d96ddd
--- /dev/null
+++ b/src/HuaJiBot.NET.Plugin.MessageBridge/MinecraftPosts.cs
@@ -0,0 +1,28 @@
+using HuaJiBot.NET.Bot;
+
+namespace HuaJiBot.NET.Plugin.MessageBridge;
+
+internal static class MinecraftPosts
+{
+    internal static Post Chat(string player, string message, string fallback) =>
+        new($"**{Post.Escape(player)}**: {Post.Escape(message)}", fallback);
+
+    internal static Post Join(string player, string fallback) =>
+        new($"➕ {Post.Escape(player)} 加入了服务器", fallback) { Silent = true };
+
+    internal static Post Quit(string player, string fallback) =>
+        new($"➖ {Post.Escape(player)} 离开了服务器", fallback) { Silent = true };
+
+    internal static Post Death(string message, string fallback) =>
+        new($"💀 {Post.Escape(message)}", fallback) { Silent = true };
+
+    internal static Post Advancement(string player, string name, string? description, string fallback) =>
+        new(
+            $"🏆 **{Post.Escape(player)}** 完成了进度 **{Post.Escape(name)}**"
+                + (string.IsNullOrWhiteSpace(description) ? "" : $"\n*{Post.Escape(description)}*"),
+            fallback
+        )
+        {
+            Silent = true,
+        };
+}
diff --git a/src/HuaJiBot.NET.Plugin.MessageBridge/PluginMain.cs b/src/HuaJiBot.NET.Plugin.MessageBridge/PluginMain.cs
index 6b2edbc..e114974 100644
--- a/src/HuaJiBot.NET.Plugin.MessageBridge/PluginMain.cs
+++ b/src/HuaJiBot.NET.Plugin.MessageBridge/PluginMain.cs
@@ -213,21 +213,21 @@ PluginConfig.ClientInfo clientInfo
                             _ = SendGroupMessageAsync(
                                 clientInfo,
                                 ClientEventType.Chat,
-                                $"[{senderName}] <{name}> {msg}"
+                                MinecraftPosts.Chat(name, msg, $"[{senderName}] <{name}> {msg}")
                             );
                             break;
                         case PlayerJoinPacket { Data.PlayerName: var name }:
                             _onlinePlayers[name] = await SendGroupMessageAsync(
                                 clientInfo,
                                 ClientEventType.JoinLeft,
-                                $"[{senderName}] {name} 加入了服务器"
+                                MinecraftPosts.Join(name, $"[{senderName}] {name} 加入了服务器")
                             );
                             break;
                         case PlayerQuitPacket { Data.PlayerName: var name }:
                             _ = SendGroupMessageAsync(
                                 clientInfo,
                                 ClientEventType.JoinLeft,
-                                $"[{senderName}] {name} 离开了服务器"
+                                MinecraftPosts.Quit(name, $"[{senderName}] {name} 离开了服务器")
                             );
                             if (_onlinePlayers.TryRemove(name, out var allMsg))
                             {
@@ -242,7 +242,7 @@ PluginConfig.ClientInfo clientInfo
                             _ = SendGroupMessageAsync(
                                 clientInfo,
                                 ClientEventType.PlayerDeath,
-                                $"[{senderName}] {msg}"
+                                MinecraftPosts.Death(msg, $"[{senderName}] {msg}")
                             );
                             break;
                         case PlayerAchievementPacket
@@ -258,7 +258,12 @@ PluginConfig.ClientInfo clientInfo
                             _ = SendGroupMessageAsync(
                                 clientInfo,
                                 ClientEventType.PlayerAchievement,
-                                $"[{senderName}] {name} 完成了进度 {achievementName} ({string.Join(",", criteria)}){Environment.NewLine}{description}"
+                                MinecraftPosts.Advancement(
+                                    name,
+                                    achievementName,
+                                    description,
+                                    $"[{senderName}] {name} 完成了进度 {achievementName} ({string.Join(",", criteria)}){Environment.NewLine}{description}"
+                                )
                             );
                             break;
                         case GetPlayerListRequestPacket: //do not reply
@@ -279,7 +284,7 @@ PluginConfig.ClientInfo clientInfo
     private async Task<(string groupId, string[] msgId)[]> SendGroupMessageAsync(
         PluginConfig.ClientInfo clientInfo,
         ClientEventType eventType,
-        string message
+        Post message
     )
     {
         List<(string, string[])> msgIds = [];
diff --git a/src/HuaJiBot.NET.Plugin.RepairTeam/PluginMain.cs b/src/HuaJiBot.NET.Plugin.RepairTeam/PluginMain.cs
index 688a6aa..af0bcfa 100644
--- a/src/HuaJiBot.NET.Plugin.RepairTeam/PluginMain.cs
+++ b/src/HuaJiBot.NET.Plugin.RepairTeam/PluginMain.cs
@@ -1,4 +1,5 @@
 using System.Text;
+using HuaJiBot.NET.Bot;
 using HuaJiBot.NET.Commands;
 using HuaJiBot.NET.Events;
 using HuaJiBot.NET.Interfaces;
@@ -110,6 +111,48 @@ internal static string FormatEvent(LogEventEntity e)
         return s.ToString().TrimEnd();
     }
 
+    private static string? StateTag(string? action) =>
+        action switch
+        {
+            "create" => "新报修",
+            "accept" => "已接单",
+            "cancel" => "已取消",
+            "drop" => "已放弃",
+            "commit" or "alterCommit" => "待审核",
+            "reject" => "已退回",
+            "close" => "已结单",
+            "update" => "已更新",
+            _ => null,
+        };
+
+    internal static Post EventPost(LogEventEntity e)
+    {
+        var lines = new List<string> { $"🛠 **#{e.EventId} {Post.Escape(ActionText(e.Action))}**" };
+        var device = string.Join(
+            " · ",
+            new[] { e.Model, e.Problem }.Where(x => !string.IsNullOrWhiteSpace(x)).Select(x => Post.Escape(x!))
+        );
+        if (device.Length > 0)
+            lines.Add(device);
+        if (!string.IsNullOrWhiteSpace(e.Description))
+            lines.Add(
+                "\n"
+                    + string.Join(
+                        "\n",
+                        from line in e.Description.ReplaceLineEndings("\n").Trim().Split('\n')
+                        select "> " + Post.Escape(line)
+                    )
+            );
+        var time = e.GmtCreate.ToOffset(NetworkTime.LocalTimeZoneOffset).ToString("MM-dd HH:mm");
+        var member = string.IsNullOrWhiteSpace(e.MemberAlias) ? e.MemberId : e.MemberAlias;
+        lines.Add("\n" + (string.IsNullOrWhiteSpace(member) ? time : $"{Post.Escape(member)} · {time}"));
+        return new(string.Join("\n", lines), FormatEvent(e))
+        {
+            Tags = StateTag(e.Action) is { } tag ? ["维修", tag] : ["维修"],
+            Links = [new("去处理", TicketDigest.PortalUrl)],
+        };
+    }
+
     private void OnMessageReceived(object? sender, string msg)
     {
         Service.Log(msg);
@@ -127,9 +170,9 @@ private void OnMessageReceived(object? sender, string msg)
                 Service.LogError("[RepairTeam] 无法解析维修事件", ex);
                 return;
             }
-            var str = FormatEvent(e);
+            var post = EventPost(e);
             foreach (var group in Config.PushInfoGroup)
-                _ = Service.TrySendGroupMessageAsync(group, str);
+                _ = Service.TrySendGroupMessageAsync(group, post);
         }
     }
 
diff --git a/src/HuaJiBot.NET.Plugin.RepairTeam/TicketDigest.cs b/src/HuaJiBot.NET.Plugin.RepairTeam/TicketDigest.cs
index 2f418dd..2acb111 100644
--- a/src/HuaJiBot.NET.Plugin.RepairTeam/TicketDigest.cs
+++ b/src/HuaJiBot.NET.Plugin.RepairTeam/TicketDigest.cs
@@ -1,4 +1,5 @@
 using System.Text;
+using HuaJiBot.NET.Bot;
 
 namespace HuaJiBot.NET.Plugin.RepairTeam;
 
@@ -25,6 +26,32 @@ private static double ThresholdDays(string status, PluginConfig config) =>
     public static List<Ticket> Stalled(IEnumerable<Ticket> tickets, DateTimeOffset now, PluginConfig config) =>
         tickets.Where(t => (now - t.LastActivity).TotalDays > ThresholdDays(t.Status, config)).ToList();
 
+    public static Post ToPost(IReadOnlyCollection<Ticket> tickets, DateTimeOffset now, string fallback)
+    {
+        var sb = new StringBuilder($"🛠 **{tickets.Count} 张工单卡住了**");
+        foreach (var (status, stageTitle) in Stages)
+        {
+            var stage = tickets.Where(t => t.Status == status).OrderBy(t => t.LastActivity).ToList();
+            if (stage.Count == 0)
+                continue;
+            sb.Append($"\n\n**{stageTitle}**");
+            foreach (var t in stage)
+                sb.Append($"\n• #{t.Id} ").AppendJoin(" · ", Fields(t, now).Select(Post.Escape));
+        }
+        return new(sb.ToString(), fallback)
+        {
+            Tags = ["维修", "提醒"],
+            Links = [new("去处理", PortalUrl)],
+        };
+    }
+
+    private static IEnumerable<string> Fields(Ticket t, DateTimeOffset now)
+    {
+        var days = (int)(now - t.LastActivity).TotalDays;
+        var fields = new[] { t.Model, t.Problem, t.Member, days < 1 ? "不到 1 天" : $"已 {days} 天" };
+        return fields.Where(f => !string.IsNullOrWhiteSpace(f))!;
+    }
+
     public static string Format(string title, IReadOnlyCollection<Ticket> tickets, DateTimeOffset now)
     {
         var sb = new StringBuilder(title).Append('\n');
@@ -35,11 +62,7 @@ public static string Format(string title, IReadOnlyCollection<Ticket> tickets, D
                 continue;
             sb.Append(stageTitle).Append("：\n");
             foreach (var t in stage)
-            {
-                var days = (int)(now - t.LastActivity).TotalDays;
-                var fields = new[] { t.Model, t.Problem, t.Member, days < 1 ? "不到 1 天" : $"已 {days} 天" };
-                sb.Append($"  #{t.Id} ").AppendJoin(" · ", fields.Where(f => !string.IsNullOrWhiteSpace(f))).Append('\n');
-            }
+                sb.Append($"  #{t.Id} ").AppendJoin(" · ", Fields(t, now)).Append('\n');
         }
         return sb.Append($"去处理：{PortalUrl}").ToString();
     }
diff --git a/src/HuaJiBot.NET.Plugin.RepairTeam/TicketReminder.cs b/src/HuaJiBot.NET.Plugin.RepairTeam/TicketReminder.cs
index a7e5519..f27a0b4 100644
--- a/src/HuaJiBot.NET.Plugin.RepairTeam/TicketReminder.cs
+++ b/src/HuaJiBot.NET.Plugin.RepairTeam/TicketReminder.cs
@@ -69,9 +69,13 @@ public async Task<bool> SendDigestAsync(DateTimeOffset now)
         var stalled = TicketDigest.Stalled(tickets, now, _config);
         if (stalled.Count == 0)
             return true;
-        var text = TicketDigest.Format($"【维修工单提醒】{stalled.Count} 张工单卡住了", stalled, now);
+        var post = TicketDigest.ToPost(
+            stalled,
+            now,
+            TicketDigest.Format($"【维修工单提醒】{stalled.Count} 张工单卡住了", stalled, now)
+        );
         foreach (var group in _config.RemindGroups)
-            await _service.TrySendGroupMessageAsync(group, text);
+            await _service.TrySendGroupMessageAsync(group, post);
         return true;
     }
 
diff --git a/src/HuaJiBot.NET.UnitTest/ClubAffairsReminderTest.cs b/src/HuaJiBot.NET.UnitTest/ClubAffairsReminderTest.cs
index 059f483..245f4f5 100644
--- a/src/HuaJiBot.NET.UnitTest/ClubAffairsReminderTest.cs
+++ b/src/HuaJiBot.NET.UnitTest/ClubAffairsReminderTest.cs
@@ -42,6 +42,21 @@ private static string SentTo(RecordingAdapter adapter, string group) =>
             adapter.Sends.Where(x => x.Target == group).SelectMany(x => x.Messages).OfType<Bot.TextMessage>().Select(x => x.Text)
         );
 
+    [Test]
+    public void WeeklySummary_PostsTaggedListOnTelegram()
+    {
+        var (adapter, reminder) = Setup();
+
+        reminder.SendWeeklySummary(Now);
+
+        var post = adapter.Posts.First(x => x.Markdown.Contains("招新宣讲") && !x.Markdown.Contains("例会筹备"));
+        Assert.Multiple(() =>
+        {
+            Assert.That(post.Markdown, Is.EqualTo("📢 **社团事务一周预告**（09月21日～09月28日）\n\n- 09月22日 **招新宣讲**"));
+            Assert.That(post.Tags, Is.EqualTo(new[] { "日程", "周预告" }));
+        });
+    }
+
     [Test]
     public void WeeklySummary_SendsEachGroupOnlyItsOwnEvents()
     {
diff --git a/src/HuaJiBot.NET.UnitTest/Doubles.cs b/src/HuaJiBot.NET.UnitTest/Doubles.cs
index bea5c5a..4ced28a 100644
--- a/src/HuaJiBot.NET.UnitTest/Doubles.cs
+++ b/src/HuaJiBot.NET.UnitTest/Doubles.cs
@@ -4,16 +4,22 @@ namespace HuaJiBot.NET.UnitTest;
 
 internal sealed class RecordingAdapter : TestAdapter
 {
+    /// <summary>What a non-Telegram adapter sends: posts replaced by their fallback.</summary>
     public readonly List<(string Target, SendingMessageBase[] Messages)> Sends = [];
+    public readonly List<Post> Posts = [];
 
-    public override Task<string[]> SendGroupMessageAsync(
+    public override async Task<string[]> SendGroupMessageAsync(
         string? robotId,
         string targetGroup,
         params SendingMessageBase[] messages
     )
     {
-        Sends.Add((targetGroup, messages));
-        return Task.FromResult<string[]>(["42"]);
+        lock (Posts)
+            Posts.AddRange(messages.OfType<Post>());
+        var sent = await messages.ExpandPostsAsync();
+        lock (Sends)
+            Sends.Add((targetGroup, sent));
+        return ["42"];
     }
 }
 
diff --git a/src/HuaJiBot.NET.UnitTest/PluginPostTest.cs b/src/HuaJiBot.NET.UnitTest/PluginPostTest.cs
new file mode 100644
index 0000000..20215ee
--- /dev/null
+++ b/src/HuaJiBot.NET.UnitTest/PluginPostTest.cs
@@ -0,0 +1,136 @@
+using HuaJiBot.NET.Bot;
+using HuaJiBot.NET.Plugin.Calendar;
+using HuaJiBot.NET.Plugin.MessageBridge;
+using HuaJiBot.NET.Plugin.RepairTeam;
+using Ical.Net.CalendarComponents;
+using Newtonsoft.Json;
+using RepairPlugin = HuaJiBot.NET.Plugin.RepairTeam.PluginMain;
+
+namespace HuaJiBot.NET.UnitTest;
+
+internal class PluginPostTest
+{
+    private static readonly DateTimeOffset Start = new(2026, 9, 25, 20, 30, 0, TimeSpan.FromHours(8));
+
+    [Test]
+    public async Task CalendarStart_ShowsTitleTimePlaceAndQuotedDescription()
+    {
+        var e = new CalendarEvent { Summary = "NWDC_x", Location = "实验室", Description = "带上电脑\n别迟到" };
+
+        var post = ReminderTask.StartPost(Start, Start.AddHours(2), e, 60, "old");
+        var fallback = await post.Fallback();
+
+        Assert.Multiple(() =>
+        {
+            Assert.That(
+                post.Markdown,
+                Is.EqualTo("⏰ **NWDC\\_x** 60 分钟后开始\n🕘 09-25 20:30–22:30 · 📍 实验室\n\n> 带上电脑\n> 别迟到")
+            );
+            Assert.That(post.Tags, Is.EqualTo(new[] { "日程" }));
+            Assert.That(post.Silent, Is.False);
+            Assert.That(fallback, Is.EqualTo(new SendingMessageBase[] { new TextMessage("old") }));
+        });
+    }
+
+    [Test]
+    public void CalendarEnd_IsSilent()
+    {
+        var post = ReminderTask.EndPost(new CalendarEvent { Summary = "例会" }, 5, "old");
+
+        Assert.Multiple(() =>
+        {
+            Assert.That(post.Markdown, Is.EqualTo("🔚 **例会** 预计 5 分钟后结束"));
+            Assert.That(post.Silent, Is.True);
+        });
+    }
+
+    [Test]
+    public async Task RepairEvent_ShowsTicketAndLinksPortal()
+    {
+        var e = JsonConvert.DeserializeObject<RepairPlugin.LogEventEntity>(
+            """
+            {"event_id":900001,"action":"create","member_id":"","member_alias":"张三",
+             "gmt_create":"2026-09-21T03:45:53Z","model":"ThinkPad","problem":"无法开机","description":"进水了"}
+            """
+        )!;
+
+        var post = RepairPlugin.EventPost(e);
+        var fallback = await post.Fallback();
+
+        Assert.Multiple(() =>
+        {
+            Assert.That(
+                post.Markdown,
+                Is.EqualTo("🛠 **#900001 新报修**\nThinkPad · 无法开机\n\n> 进水了\n\n张三 · 09-21 11:45")
+            );
+            Assert.That(post.Tags, Is.EqualTo(new[] { "维修", "新报修" }));
+            Assert.That(post.Links, Is.EqualTo(new[] { new LinkMessage("去处理", TicketDigest.PortalUrl) }));
+            Assert.That(fallback, Is.EqualTo(new SendingMessageBase[] { new TextMessage(RepairPlugin.FormatEvent(e)) }));
+        });
+    }
+
+    [Test]
+    public void TicketDigest_ListsStagesAsBulletLists()
+    {
+        var now = new DateTimeOffset(2026, 9, 23, 12, 0, 0, TimeSpan.FromHours(8));
+        Ticket[] tickets =
+        [
+            new(12, "open", "MacBook", "屏幕闪", null, now.AddDays(-5), now.AddDays(-3)),
+            new(13, "committed", null, "蓝屏", "李四", now.AddDays(-5), now.AddHours(-30)),
+        ];
+
+        var post = TicketDigest.ToPost(tickets, now, "old");
+
+        Assert.Multiple(() =>
+        {
+            Assert.That(
+                post.Markdown,
+                Is.EqualTo(
+                    "🛠 **2 张工单卡住了**\n\n**待接单**\n• #12 MacBook · 屏幕闪 · 已 3 天\n\n**待审核**\n• #13 蓝屏 · 李四 · 已 1 天"
+                )
+            );
+            Assert.That(post.Tags, Is.EqualTo(new[] { "维修", "提醒" }));
+            Assert.That(post.Links.Single().Url, Is.EqualTo(TicketDigest.PortalUrl));
+        });
+    }
+
+    [Test]
+    public void MinecraftChat_BoldsPlayerAndIsNotSilent()
+    {
+        var post = MinecraftPosts.Chat("Steve_1", "hi *all*", "old");
+
+        Assert.Multiple(() =>
+        {
+            Assert.That(post.Markdown, Is.EqualTo("**Steve\\_1**: hi \\*all\\*"));
+            Assert.That(post.Silent, Is.False);
+            Assert.That(post.Tags, Is.Empty);
+        });
+    }
+
+    [TestCase("join", "➕ Steve 加入了服务器")]
+    [TestCase("quit", "➖ Steve 离开了服务器")]
+    public void MinecraftJoinQuit_AreSilent(string kind, string markdown)
+    {
+        var post = kind == "join" ? MinecraftPosts.Join("Steve", "old") : MinecraftPosts.Quit("Steve", "old");
+
+        Assert.Multiple(() =>
+        {
+            Assert.That(post.Markdown, Is.EqualTo(markdown));
+            Assert.That(post.Silent, Is.True);
+        });
+    }
+
+    [Test]
+    public void MinecraftDeathAndAdvancement_AreSilent()
+    {
+        var death = MinecraftPosts.Death("Steve was slain", "old");
+        var advancement = MinecraftPosts.Advancement("Steve", "Stone Age", "Mine stone", "old");
+
+        Assert.Multiple(() =>
+        {
+            Assert.That(death.Markdown, Is.EqualTo("💀 Steve was slain"));
+            Assert.That(advancement.Markdown, Is.EqualTo("🏆 **Steve** 完成了进度 **Stone Age**\n*Mine stone*"));
+            Assert.That(death.Silent && advancement.Silent, Is.True);
+        });
+    }
+}
diff --git a/src/HuaJiBot.NET/Bot/BotService.cs b/src/HuaJiBot.NET/Bot/BotService.cs
index 1dfca29..86aa43a 100644
--- a/src/HuaJiBot.NET/Bot/BotService.cs
+++ b/src/HuaJiBot.NET/Bot/BotService.cs
@@ -31,6 +31,9 @@ public sealed record LinkMessage(string Text, string Url) : SendingMessageBase;
 public sealed record Post(string Markdown, Func<Task<SendingMessageBase[]>> Fallback)
     : SendingMessageBase
 {
+    public Post(string markdown, params SendingMessageBase[] fallback)
+        : this(markdown, () => Task.FromResult(fallback)) { }
+
     public Func<Task<string>>? Image { get; init; }
     public string[] Tags { get; init; } = [];
     public LinkMessage[] Links { get; init; } = [];