fix(core): 🐛 修复 Telegram 机器人消息删除逻辑

优化消息删除流程，将原本删除命令消息改为优先删除被回复的目标消息。同时增加了更详细的错误日志输出，并更新了未找到记录时的用户提示语，使反馈更加清晰。

- 优先删除目标转发消息而非命令消息
- 增加对 targetMsgId 的类型转换处理
- 捕获并忽略删除失败的异常以提高稳定性
- 丰富了控制台调试日志和用户侧错误提示内容

telegram/tg-bot.js

@@ -252,25 +252,26 @@ async function handleUserDelete(msg, u, env) {
     const ref = await sql(env, "SELECT topic_message_id FROM messages WHERE user_id=? AND message_id=?", [u.user_id, targetMsgId], 'first');
     
     if (!ref || !ref.topic_message_id) {
+        console.log(`Delete failed: No mapping found for user=${u.user_id}, msg=${targetMsgId}`);
         return api(env.BOT_TOKEN, "sendMessage", {
             chat_id: u.user_id,
-            text: "❌ 未找到对应的消息记录",
+            text: "❌ 未找到对应的消息记录，可能该消息未被转发或已被删除",
             reply_to_message_id: msg.message_id
         });
     }
 
     try {
-        // 1. 删除用户侧消息
-        await api(env.BOT_TOKEN, "deleteMessage", {
-            chat_id: u.user_id,
-            message_id: msg.message_id
-        });
-        
-        // 2. 删除被回复的目标消息
+        // 1. 删除被回复的目标消息（先删目标，再删命令）
         await api(env.BOT_TOKEN, "deleteMessage", {
             chat_id: u.user_id,
             message_id: parseInt(targetMsgId)
-        });
+        }).catch(() => {});
+        
+        // 2. 删除用户侧的 /del 命令消息
+        await api(env.BOT_TOKEN, "deleteMessage", {
+            chat_id: u.user_id,
+            message_id: msg.message_id
+        }).catch(() => {});
 
         // 3. 通知管理员（引用原消息）
         await api(env.BOT_TOKEN, "sendMessage", {
@@ -279,7 +280,7 @@ async function handleUserDelete(msg, u, env) {
             text: `🗑️ <b>用户已删除消息</b>`,
             parse_mode: "HTML",
             reply_to_message_id: parseInt(ref.topic_message_id)
-        });
+        }).catch(() => {});
 
         // 4. 清理数据库记录
         await sql(env, "DELETE FROM messages WHERE user_id=? AND message_id=?", [u.user_id, targetMsgId]);
@@ -582,7 +583,7 @@ async function relayToTopic(msg, u, env) {
         let topicReplyToMsgId = undefined;
         if (msg.reply_to_message) {
             const ref = await sql(env, "SELECT topic_message_id FROM messages WHERE user_id=? AND message_id=?", [uid, msg.reply_to_message.message_id.toString()], 'first');
-            if (ref?.topic_message_id) topicReplyToMsgId = ref.topic_message_id;
+            if (ref?.topic_message_id) topicReplyToMsgId = parseInt(ref.topic_message_id);
         }
 
         // 特殊引用语法降级渲染支持
@@ -601,20 +602,29 @@ async function relayToTopic(msg, u, env) {
             });
         } else {
             // 标准转发处理尝试，若触碰受限隐私配置则回退到原生复制
+            try {
                 if (topicReplyToMsgId) {
                     forwardedMsg = await api(env.BOT_TOKEN, "copyMessage", {
                         chat_id: env.ADMIN_GROUP_ID, from_chat_id: uid, message_id: msg.message_id, message_thread_id: tid, reply_to_message_id: topicReplyToMsgId
                     });
-            } else try {
+                } else {
                     forwardedMsg = await api(env.BOT_TOKEN, "forwardMessage", {
                         chat_id: env.ADMIN_GROUP_ID, from_chat_id: uid, message_id: msg.message_id, message_thread_id: tid
                     });
+                }
             } catch(fwdErr) {
+                console.log("Forward failed, trying copyMessage:", fwdErr.message);
+                if (topicReplyToMsgId) {
+                    forwardedMsg = await api(env.BOT_TOKEN, "copyMessage", {
+                        chat_id: env.ADMIN_GROUP_ID, from_chat_id: uid, message_id: msg.message_id, message_thread_id: tid, reply_to_message_id: topicReplyToMsgId
+                    });
+                } else {
                     forwardedMsg = await api(env.BOT_TOKEN, "copyMessage", {
                         chat_id: env.ADMIN_GROUP_ID, from_chat_id: uid, message_id: msg.message_id, message_thread_id: tid
                     });
                 }
             }
+        }
 
         // 推送资料卡片流程补偿机制
         try {