diff --git a/app/agent/__init__.py b/app/agent/__init__.py
index 092ce8f1..e8f22ee1 100644
--- a/app/agent/__init__.py
+++ b/app/agent/__init__.py
@@ -8,6 +8,7 @@ from datetime import datetime
 from enum import Enum
 from typing import Any, Callable, Dict, List, Optional
 
+from fastapi.concurrency import run_in_threadpool
 from langchain.agents import create_agent
 from langchain.agents.middleware import (
     SummarizationMiddleware,
@@ -53,6 +54,40 @@ class AgentChain(ChainBase):
     pass
 
 
+def _finish_processing_status(status: Optional[dict], user_id: Optional[str] = None) -> None:
+    """结束入站消息的渠道处理状态。"""
+    if not status:
+        return
+    try:
+        channel = MessageChannel(status.get("channel"))
+    except Exception:
+        return
+    try:
+        AgentChain().run_module(
+            "mark_message_processing_finished",
+            channel=channel,
+            source=status.get("source"),
+            userid=status.get("userid") or user_id,
+            message_id=status.get("message_id"),
+            chat_id=status.get("chat_id"),
+            status=status,
+        )
+    except Exception as err:
+        logger.debug(f"结束Agent消息处理状态失败: {err}")
+
+
+async def _async_finish_processing_status(
+        status: Optional[dict], user_id: Optional[str] = None
+) -> None:
+    """
+    在 Agent worker 中结束渠道处理状态。
+    渠道收口可能触发外部 API，同步实现需切到线程池避免阻塞事件循环。
+    """
+    if not status:
+        return
+    await run_in_threadpool(_finish_processing_status, status, user_id)
+
+
 @dataclass
 class _SessionUsageSnapshot:
     model: Optional[str] = None
@@ -901,6 +936,7 @@ class _MessageTask:
     username: Optional[str] = None
     original_message_id: Optional[str] = None
     original_chat_id: Optional[str] = None
+    processing_status: Optional[dict] = None
     reply_mode: ReplyMode = ReplyMode.DISPATCH
 
 
@@ -987,6 +1023,7 @@ class AgentManager:
             username: str = None,
             original_message_id: Optional[str] = None,
             original_chat_id: Optional[str] = None,
+            processing_status: Optional[dict] = None,
             reply_mode: ReplyMode = ReplyMode.DISPATCH,
     ) -> str:
         """
@@ -1004,6 +1041,7 @@ class AgentManager:
             username=username,
             original_message_id=original_message_id,
             original_chat_id=original_chat_id,
+            processing_status=processing_status,
             reply_mode=reply_mode,
         )
 
@@ -1062,6 +1100,9 @@ class AgentManager:
                 except Exception as e:
                     logger.error(f"处理会话 {session_id} 的消息失败: {e}")
                 finally:
+                    await _async_finish_processing_status(
+                        task.processing_status, task.user_id
+                    )
                     queue.task_done()
 
         except asyncio.CancelledError:
diff --git a/app/chain/message.py b/app/chain/message.py
index 098f3de2..bd0c55ae 100644
--- a/app/chain/message.py
+++ b/app/chain/message.py
@@ -31,7 +31,7 @@ from app.helper.interaction import agent_interaction_manager, media_interaction_
 from app.helper.torrent import TorrentHelper
 from app.log import logger
 from app.schemas import Notification, CommingMessage, NotExistMediaInfo
-from app.schemas.message import ChannelCapabilityManager
+from app.schemas.message import ChannelCapabilityManager, ChannelCapability
 from app.schemas.types import EventType, MessageChannel, MediaType
 from app.utils.http import RequestUtils
 from app.utils.string import StringUtils
@@ -48,11 +48,24 @@ class MessageChain(ChainBase):
     _session_timeout_minutes: int = 24 * 60
 
     @dataclass
-    class _ProcessingMarker:
+    class _ProcessingStatus:
         channel: MessageChannel
         source: str
-        message_id: str
-        reaction_id: str
+        userid: Optional[Union[str, int]] = None
+        message_id: Optional[Union[str, int]] = None
+        chat_id: Optional[Union[str, int]] = None
+        metadata: Optional[Dict[str, Any]] = None
+
+        def to_dict(self) -> Dict[str, Any]:
+            """转换为模块接口可安全传递的普通字典。"""
+            return {
+                "channel": self.channel.value,
+                "source": self.source,
+                "userid": self.userid,
+                "message_id": self.message_id,
+                "chat_id": self.chat_id,
+                "metadata": self.metadata or {},
+            }
 
     def process(self, body: Any, form: Any, args: Any) -> None:
         """
@@ -158,25 +171,40 @@ class MessageChain(ChainBase):
                 text=text,
             )
 
-        self._mark_message_processing_started(
-            channel=channel,
-            source=source,
-            original_message_id=original_message_id,
-            text=text,
-        )
-        self._handle_message_core(
+        processing_status = self._mark_message_processing_started(
             channel=channel,
             source=source,
             userid=userid,
-            username=username,
-            text=text,
             original_message_id=original_message_id,
             original_chat_id=original_chat_id,
-            images=images,
-            audio_refs=audio_refs,
-            files=files,
-            has_audio_input=has_audio_input,
+            text=text,
         )
+        continues_async = False
+        try:
+            continues_async = self._handle_message_core(
+                channel=channel,
+                source=source,
+                userid=userid,
+                username=username,
+                text=text,
+                original_message_id=original_message_id,
+                original_chat_id=original_chat_id,
+                images=images,
+                audio_refs=audio_refs,
+                files=files,
+                has_audio_input=has_audio_input,
+                processing_status=processing_status,
+            )
+        finally:
+            if continues_async is not True:
+                self._mark_message_processing_finished(
+                    channel=channel,
+                    source=source,
+                    userid=userid,
+                    status=processing_status,
+                    original_message_id=original_message_id,
+                    original_chat_id=original_chat_id,
+                )
 
     def _handle_message_core(
             self,
@@ -191,7 +219,8 @@ class MessageChain(ChainBase):
             audio_refs: Optional[List[str]] = None,
             files: Optional[List[CommingMessage.MessageAttachment]] = None,
             has_audio_input: bool = False,
-    ) -> None:
+            processing_status: Optional[_ProcessingStatus] = None,
+    ) -> bool:
         """执行实际消息路由，便于统一包裹处理中状态。"""
 
         if text.startswith("CALLBACK:"):
@@ -211,14 +240,14 @@ class MessageChain(ChainBase):
                     channel.value,
                     text,
                 )
-            return
+            return False
 
         if text.startswith("/") and not text.lower().startswith("/ai"):
             self.eventmanager.send_event(
                 EventType.CommandExcute,
                 {"cmd": text, "user": userid, "channel": channel, "source": source},
             )
-            return
+            return False
 
         latest_slash_interaction = self._get_latest_slash_interaction(userid)
         if latest_slash_interaction == "sites":
@@ -229,7 +258,7 @@ class MessageChain(ChainBase):
                     username=username,
                     text=text,
             ):
-                return
+                return False
 
         if latest_slash_interaction == "subscribes":
             if SubscribeChain().handle_text_interaction(
@@ -239,7 +268,7 @@ class MessageChain(ChainBase):
                     username=username,
                     text=text,
             ):
-                return
+                return False
 
         if latest_slash_interaction == "skills":
             if SkillsChain().handle_text_interaction(
@@ -249,7 +278,7 @@ class MessageChain(ChainBase):
                     username=username,
                     text=text,
             ):
-                return
+                return False
 
         if media_interaction_manager.get_by_user(userid):
             if MediaInteractionChain().handle_text_interaction(
@@ -259,10 +288,10 @@ class MessageChain(ChainBase):
                     username=username,
                     text=text,
             ):
-                return
+                return False
 
         if text.lower().startswith("/ai"):
-            self._handle_ai_message(
+            return self._handle_ai_message(
                 text=text,
                 channel=channel,
                 source=source,
@@ -272,14 +301,14 @@ class MessageChain(ChainBase):
                 original_chat_id=original_chat_id,
                 images=images,
                 files=files,
+                processing_status=processing_status,
             )
-            return
 
         if (
                 settings.AI_AGENT_ENABLE
                 and (settings.AI_AGENT_GLOBAL or images or files or has_audio_input)
         ):
-            self._handle_ai_message(
+            return self._handle_ai_message(
                 text=text,
                 channel=channel,
                 source=source,
@@ -289,8 +318,8 @@ class MessageChain(ChainBase):
                 original_chat_id=original_chat_id,
                 images=images,
                 files=files,
+                processing_status=processing_status,
             )
-            return
 
         if MediaInteractionChain().handle_text_interaction(
                 channel=channel,
@@ -299,7 +328,7 @@ class MessageChain(ChainBase):
                 username=username,
                 text=text,
         ):
-            return
+            return False
 
         self.eventmanager.send_event(
             EventType.UserMessage,
@@ -310,36 +339,81 @@ class MessageChain(ChainBase):
                 "source": source,
             },
         )
+        return False
 
     def _mark_message_processing_started(
             self,
             channel: MessageChannel,
             source: str,
+            userid: Union[str, int],
             original_message_id: Optional[Union[str, int]],
+            original_chat_id: Optional[Union[str, int]],
             text: str,
-    ) -> Optional[_ProcessingMarker]:
+    ) -> Optional[_ProcessingStatus]:
         """为支持的渠道标记“消息正在处理”。"""
-        if channel != MessageChannel.Feishu:
+        if not ChannelCapabilityManager.supports_capability(
+                channel, ChannelCapability.PROCESSING_STATUS
+        ):
             return None
-        if not original_message_id or not text or text.startswith("CALLBACK:"):
+        if not text:
             return None
 
-        reaction_id = self.run_module(
-            "add_feishu_message_reaction",
-            message_id=str(original_message_id),
-            emoji_type="GLANCE",
-            source=source,
-        )
-        if not reaction_id:
+        try:
+            status = self.run_module(
+                "mark_message_processing_started",
+                channel=channel,
+                source=source,
+                userid=userid,
+                message_id=original_message_id,
+                chat_id=original_chat_id,
+                text=text,
+            )
+        except Exception as err:
+            logger.debug(f"标记消息处理状态失败: {err}")
             return None
 
-        return self._ProcessingMarker(
+        if not isinstance(status, dict):
+            return None
+        metadata = status.get("metadata")
+        return self._ProcessingStatus(
             channel=channel,
             source=source,
-            message_id=str(original_message_id),
-            reaction_id=str(reaction_id),
+            userid=status.get("userid", userid),
+            message_id=status.get("message_id", original_message_id),
+            chat_id=status.get("chat_id", original_chat_id),
+            metadata=metadata if isinstance(metadata, dict) else {},
         )
 
+    def _mark_message_processing_finished(
+            self,
+            channel: MessageChannel,
+            source: str,
+            userid: Union[str, int],
+            status: Optional[_ProcessingStatus] = None,
+            original_message_id: Optional[Union[str, int]] = None,
+            original_chat_id: Optional[Union[str, int]] = None,
+    ) -> None:
+        """
+        结束渠道侧“消息正在处理”状态。
+        不同渠道的表现可能是 reaction、typing 等，消息链只负责调用通用模块接口。
+        """
+        if not status and not ChannelCapabilityManager.supports_capability(
+                channel, ChannelCapability.PROCESSING_STATUS
+        ):
+            return
+        try:
+            self.run_module(
+                "mark_message_processing_finished",
+                channel=channel,
+                source=source,
+                userid=userid,
+                message_id=status.message_id if status else original_message_id,
+                chat_id=status.chat_id if status else original_chat_id,
+                status=status.to_dict() if status else None,
+            )
+        except Exception as err:
+            logger.debug(f"结束消息处理状态失败: {err}")
+
     def _handle_callback(
             self,
             text: str,
@@ -1063,7 +1137,8 @@ class MessageChain(ChainBase):
             images: Optional[List[CommingMessage.MessageImage]] = None,
             files: Optional[List[CommingMessage.MessageAttachment]] = None,
             session_id: Optional[str] = None,
-    ) -> None:
+            processing_status: Optional[_ProcessingStatus] = None,
+    ) -> bool:
         """
         处理AI智能体消息
         """
@@ -1079,7 +1154,7 @@ class MessageChain(ChainBase):
                         title="MoviePilot智能助手未启用，请在系统设置中启用",
                     )
                 )
-                return
+                return False
 
             images = CommingMessage.MessageImage.normalize_list(images)
 
@@ -1099,7 +1174,7 @@ class MessageChain(ChainBase):
                         title="请输入您的问题或需求",
                     )
                 )
-                return
+                return False
 
             # 生成或复用会话ID
             session_id = session_id or self._get_or_create_session_id(userid)
@@ -1122,7 +1197,7 @@ class MessageChain(ChainBase):
                             title="附件读取失败，请稍后重试",
                         )
                     )
-                    return
+                    return False
             elif images:
                 image_attachments = self._build_image_attachments(images)
                 if (
@@ -1140,7 +1215,7 @@ class MessageChain(ChainBase):
                             title="附件读取失败，请稍后重试",
                         )
                     )
-                    return
+                    return False
                 all_files.extend(image_attachments)
                 images = None
 
@@ -1160,7 +1235,7 @@ class MessageChain(ChainBase):
                         title="文件读取失败，请稍后重试",
                     )
                 )
-                return
+                return False
 
             # 在事件循环中处理
             asyncio.run_coroutine_threadsafe(
@@ -1175,17 +1250,20 @@ class MessageChain(ChainBase):
                     username=username,
                     original_message_id=str(original_message_id) if original_message_id else None,
                     original_chat_id=original_chat_id,
+                    processing_status=processing_status.to_dict()
+                    if processing_status
+                    else None,
                 ),
                 global_vars.loop,
             )
-            return
+            return True
 
         except Exception as e:
             logger.error(f"处理AI智能体消息失败: {e}")
             self.messagehelper.put(
                 f"AI智能体处理失败: {str(e)}", role="system", title="MoviePilot助手"
             )
-            return
+            return False
 
     def _transcribe_audio_refs(
             self, audio_refs: List[str], channel: MessageChannel, source: str
diff --git a/app/modules/discord/__init__.py b/app/modules/discord/__init__.py
index a112b776..3ceaafbf 100644
--- a/app/modules/discord/__init__.py
+++ b/app/modules/discord/__init__.py
@@ -473,6 +473,69 @@ class DiscordModule(_ModuleBase, _MessageBase[Discord]):
                     return True
         return False
 
+    def mark_message_processing_started(
+        self,
+        channel: MessageChannel,
+        source: str,
+        userid: Optional[Union[str, int]] = None,
+        message_id: Optional[Union[str, int]] = None,
+        chat_id: Optional[Union[str, int]] = None,
+        text: Optional[str] = None,
+    ) -> Optional[dict]:
+        """
+        使用 Discord typing 指示标记“正在处理”。
+        """
+        if channel != self._channel:
+            return None
+        if not text:
+            return None
+        config = self.get_config(source)
+        if not config:
+            return None
+        client: Discord = self.get_instance(config.name)
+        if not client:
+            return None
+        if not client.start_typing(
+                userid=str(userid) if userid else None,
+                chat_id=str(chat_id) if chat_id else None,
+        ):
+            return None
+        return {
+            "channel": channel.value,
+            "source": source,
+            "userid": userid,
+            "message_id": str(message_id) if message_id else None,
+            "chat_id": str(chat_id) if chat_id else None,
+            "metadata": {"kind": "typing"},
+        }
+
+    def mark_message_processing_finished(
+        self,
+        channel: MessageChannel,
+        source: str,
+        userid: Optional[Union[str, int]] = None,
+        message_id: Optional[Union[str, int]] = None,
+        chat_id: Optional[Union[str, int]] = None,
+        status: Optional[dict] = None,
+    ) -> Optional[bool]:
+        """
+        停止 Discord typing 续发任务。
+        """
+        if channel != self._channel:
+            return None
+        target_chat_id = (status or {}).get("chat_id") or chat_id
+        target_userid = (status or {}).get("userid") or userid
+        config = self.get_config(source)
+        if not config:
+            return False
+        client: Discord = self.get_instance(config.name)
+        if not client:
+            return False
+        return client.stop_typing(
+            userid=str(target_userid) if target_userid else None,
+            chat_id=str(target_chat_id) if target_chat_id else None,
+        )
+
     def send_direct_message(self, message: Notification) -> Optional[MessageResponse]:
         """
         直接发送消息并返回消息ID等信息
diff --git a/app/modules/discord/discord.py b/app/modules/discord/discord.py
index aa4a3953..435b09dd 100644
--- a/app/modules/discord/discord.py
+++ b/app/modules/discord/discord.py
@@ -79,6 +79,10 @@ class Discord:
         ] = {}  # userid -> chat_id mapping for reply targeting
         self._broadcast_channel = None
         self._bot_user_id: Optional[int] = None
+        self._typing_tasks: Dict[str, asyncio.Task] = {}
+        self._typing_stop_events: Dict[str, asyncio.Event] = {}
+        self._typing_interval_seconds = 5
+        self._typing_max_duration_seconds = 5 * 60
 
         self._register_events()
         self._start()
@@ -209,6 +213,9 @@ class Discord:
         if not self._client or not self._loop or not self._thread:
             return
         try:
+            asyncio.run_coroutine_threadsafe(
+                self._stop_all_typing_tasks(), self._loop
+            ).result(timeout=5)
             asyncio.run_coroutine_threadsafe(self._client.close(), self._loop).result(
                 timeout=10
             )
@@ -367,6 +374,125 @@ class Discord:
             logger.error(f"发送 Discord 种子列表失败：{err}")
             return False
 
+    def start_typing(
+        self,
+        userid: Optional[str] = None,
+        chat_id: Optional[str] = None,
+        max_duration_seconds: Optional[float] = None,
+    ) -> bool:
+        """
+        持续发送 Discord typing 指示，直到显式停止或达到最大续期。
+        """
+        if not self.get_state():
+            return False
+        typing_key = self._typing_key(userid=userid, chat_id=chat_id)
+        if not typing_key:
+            return False
+        try:
+            future = asyncio.run_coroutine_threadsafe(
+                self._start_typing_task(
+                    typing_key=typing_key,
+                    userid=userid,
+                    chat_id=chat_id,
+                    max_duration_seconds=max_duration_seconds,
+                ),
+                self._loop,
+            )
+            return future.result(timeout=10)
+        except Exception as err:
+            logger.error(f"发送 Discord typing 状态失败：{err}")
+            return False
+
+    def stop_typing(
+        self,
+        userid: Optional[str] = None,
+        chat_id: Optional[str] = None,
+    ) -> bool:
+        """
+        停止 Discord typing 续发任务。
+        """
+        typing_key = self._typing_key(userid=userid, chat_id=chat_id)
+        if not typing_key or not self._loop:
+            return False
+        try:
+            future = asyncio.run_coroutine_threadsafe(
+                self._stop_typing_task(typing_key), self._loop
+            )
+            return future.result(timeout=5)
+        except Exception as err:
+            logger.error(f"停止 Discord typing 状态失败：{err}")
+            return False
+
+    @staticmethod
+    def _typing_key(userid: Optional[str] = None, chat_id: Optional[str] = None) -> str:
+        """优先按频道维度管理 typing 状态，缺失时退回用户维度。"""
+        if chat_id:
+            return f"chat:{chat_id}"
+        if userid:
+            return f"user:{userid}"
+        return ""
+
+    async def _start_typing_task(
+        self,
+        typing_key: str,
+        userid: Optional[str] = None,
+        chat_id: Optional[str] = None,
+        max_duration_seconds: Optional[float] = None,
+    ) -> bool:
+        await self._stop_typing_task(typing_key)
+        channel = await self._resolve_channel(userid=userid, chat_id=chat_id)
+        if not channel:
+            return False
+        stop_event = asyncio.Event()
+        max_duration = max_duration_seconds or self._typing_max_duration_seconds
+
+        async def _typing_worker() -> None:
+            started_at = self._loop.time()
+            try:
+                while not stop_event.is_set():
+                    if self._loop.time() - started_at >= max_duration:
+                        logger.warning(
+                            "Discord typing状态超过最大续期，自动停止: key=%s",
+                            typing_key,
+                        )
+                        break
+                    try:
+                        await channel.trigger_typing()
+                    except Exception as err:
+                        logger.debug(f"触发 Discord typing 状态失败：{err}")
+                    try:
+                        await asyncio.wait_for(
+                            stop_event.wait(),
+                            timeout=self._typing_interval_seconds,
+                        )
+                    except asyncio.TimeoutError:
+                        pass
+            finally:
+                current_task = asyncio.current_task()
+                if self._typing_tasks.get(typing_key) is current_task:
+                    self._typing_tasks.pop(typing_key, None)
+                    self._typing_stop_events.pop(typing_key, None)
+
+        self._typing_stop_events[typing_key] = stop_event
+        self._typing_tasks[typing_key] = asyncio.create_task(_typing_worker())
+        return True
+
+    async def _stop_typing_task(self, typing_key: str) -> bool:
+        stop_event = self._typing_stop_events.pop(typing_key, None)
+        task = self._typing_tasks.pop(typing_key, None)
+        if stop_event:
+            stop_event.set()
+        if task and task is not asyncio.current_task() and not task.done():
+            try:
+                await asyncio.wait_for(asyncio.shield(task), timeout=1)
+            except asyncio.TimeoutError:
+                pass
+        return bool(stop_event or task)
+
+    async def _stop_all_typing_tasks(self) -> None:
+        for typing_key in list(self._typing_tasks.keys()):
+            await self._stop_typing_task(typing_key)
+
     def delete_msg(
         self, message_id: Union[str, int], chat_id: Optional[str] = None
     ) -> Optional[bool]:
diff --git a/app/modules/feishu/__init__.py b/app/modules/feishu/__init__.py
index 4c8cdaa5..db6fa9fa 100644
--- a/app/modules/feishu/__init__.py
+++ b/app/modules/feishu/__init__.py
@@ -360,6 +360,67 @@ class FeishuModule(_ModuleBase, _MessageBase[Feishu]):
             return False
         return client.delete_message_reaction(message_id=message_id, reaction_id=reaction_id)
 
+    def mark_message_processing_started(
+            self,
+            channel: MessageChannel,
+            source: str,
+            userid: Optional[Union[str, int]] = None,
+            message_id: Optional[Union[str, int]] = None,
+            chat_id: Optional[Union[str, int]] = None,
+            text: Optional[str] = None,
+    ) -> Optional[dict]:
+        """
+        使用飞书消息表情标记“正在处理”。
+        """
+        if channel != self._channel:
+            return None
+        if not message_id or not text or str(text).startswith("CALLBACK:"):
+            return None
+        reaction_id = self.add_feishu_message_reaction(
+            message_id=str(message_id),
+            emoji_type=Feishu.PROCESSING_REACTION_EMOJI,
+            source=source,
+        )
+        if not reaction_id:
+            return None
+        return {
+            "channel": channel.value,
+            "source": source,
+            "userid": userid,
+            "message_id": str(message_id),
+            "chat_id": str(chat_id) if chat_id else None,
+            "metadata": {
+                "kind": "reaction",
+                "reaction_id": str(reaction_id),
+                "emoji_type": Feishu.PROCESSING_REACTION_EMOJI,
+            },
+        }
+
+    def mark_message_processing_finished(
+            self,
+            channel: MessageChannel,
+            source: str,
+            userid: Optional[Union[str, int]] = None,
+            message_id: Optional[Union[str, int]] = None,
+            chat_id: Optional[Union[str, int]] = None,
+            status: Optional[dict] = None,
+    ) -> Optional[bool]:
+        """
+        删除飞书“正在处理”表情。
+        """
+        if channel != self._channel:
+            return None
+        metadata = (status or {}).get("metadata") or {}
+        target_message_id = (status or {}).get("message_id") or message_id
+        reaction_id = metadata.get("reaction_id")
+        if not target_message_id or not reaction_id:
+            return False
+        return self.delete_feishu_message_reaction(
+            message_id=str(target_message_id),
+            reaction_id=str(reaction_id),
+            source=source,
+        )
+
     def finalize_message(self, response: MessageResponse) -> bool:
         if response.channel != self._channel or not isinstance(response.metadata, dict):
             return False
diff --git a/app/modules/slack/__init__.py b/app/modules/slack/__init__.py
index 90e74796..dd7a9ba4 100644
--- a/app/modules/slack/__init__.py
+++ b/app/modules/slack/__init__.py
@@ -12,6 +12,7 @@ from app.schemas.types import ModuleType
 
 
 class SlackModule(_ModuleBase, _MessageBase[Slack]):
+    PROCESSING_REACTION = "eyes"
     _AUDIO_SUFFIXES = (
         ".mp3",
         ".m4a",
@@ -222,10 +223,14 @@ class SlackModule(_ModuleBase, _MessageBase[Slack]):
             images = None
             audio_refs = None
             files = None
+            message_id = None
+            chat_id = None
             if msg_json.get("type") == "message":
                 userid = msg_json.get("user")
                 text = msg_json.get("text")
                 username = msg_json.get("user")
+                message_id = msg_json.get("ts")
+                chat_id = msg_json.get("channel")
                 images = self._extract_images(msg_json)
                 audio_refs = self._extract_audio_refs(msg_json)
                 files = self._extract_files(msg_json)
@@ -270,6 +275,8 @@ class SlackModule(_ModuleBase, _MessageBase[Slack]):
                     flags=re.IGNORECASE,
                 ).strip()
                 username = ""
+                message_id = msg_json.get("event", {}).get("ts")
+                chat_id = msg_json.get("event", {}).get("channel")
                 images = self._extract_images(msg_json.get("event", {}))
                 audio_refs = self._extract_audio_refs(msg_json.get("event", {}))
                 files = self._extract_files(msg_json.get("event", {}))
@@ -281,6 +288,7 @@ class SlackModule(_ModuleBase, _MessageBase[Slack]):
                 userid = msg_json.get("user_id")
                 text = msg_json.get("command")
                 username = msg_json.get("user_name")
+                chat_id = msg_json.get("channel_id")
             else:
                 return None
             logger.info(
@@ -294,6 +302,8 @@ class SlackModule(_ModuleBase, _MessageBase[Slack]):
                 userid=userid,
                 username=username,
                 text=text,
+                message_id=message_id,
+                chat_id=chat_id,
                 images=images,
                 audio_refs=audio_refs,
                 files=files,
@@ -589,6 +599,78 @@ class SlackModule(_ModuleBase, _MessageBase[Slack]):
                     return True
         return False
 
+    def mark_message_processing_started(
+        self,
+        channel: MessageChannel,
+        source: str,
+        userid: Optional[Union[str, int]] = None,
+        message_id: Optional[Union[str, int]] = None,
+        chat_id: Optional[Union[str, int]] = None,
+        text: Optional[str] = None,
+    ) -> Optional[dict]:
+        """
+        使用 Slack reaction 标记“正在处理”。
+        """
+        if channel != self._channel:
+            return None
+        if not message_id or not chat_id or not text or str(text).startswith("CALLBACK:"):
+            return None
+        config = self.get_config(source)
+        if not config:
+            return None
+        client: Slack = self.get_instance(config.name)
+        if not client:
+            return None
+        if not client.add_reaction(
+                channel=str(chat_id),
+                timestamp=str(message_id),
+                emoji=self.PROCESSING_REACTION,
+        ):
+            return None
+        return {
+            "channel": channel.value,
+            "source": source,
+            "userid": userid,
+            "message_id": str(message_id),
+            "chat_id": str(chat_id),
+            "metadata": {
+                "kind": "reaction",
+                "emoji": self.PROCESSING_REACTION,
+            },
+        }
+
+    def mark_message_processing_finished(
+        self,
+        channel: MessageChannel,
+        source: str,
+        userid: Optional[Union[str, int]] = None,
+        message_id: Optional[Union[str, int]] = None,
+        chat_id: Optional[Union[str, int]] = None,
+        status: Optional[dict] = None,
+    ) -> Optional[bool]:
+        """
+        移除 Slack “正在处理” reaction。
+        """
+        if channel != self._channel:
+            return None
+        metadata = (status or {}).get("metadata") or {}
+        target_message_id = (status or {}).get("message_id") or message_id
+        target_chat_id = (status or {}).get("chat_id") or chat_id
+        emoji = metadata.get("emoji") or self.PROCESSING_REACTION
+        if not target_message_id or not target_chat_id:
+            return False
+        config = self.get_config(source)
+        if not config:
+            return False
+        client: Slack = self.get_instance(config.name)
+        if not client:
+            return False
+        return client.remove_reaction(
+            channel=str(target_chat_id),
+            timestamp=str(target_message_id),
+            emoji=str(emoji),
+        )
+
     def send_direct_message(self, message: Notification) -> Optional[MessageResponse]:
         """
         直接发送消息并返回消息ID等信息
diff --git a/app/modules/slack/slack.py b/app/modules/slack/slack.py
index 77b95f94..e0c2086e 100644
--- a/app/modules/slack/slack.py
+++ b/app/modules/slack/slack.py
@@ -289,6 +289,40 @@ class Slack:
             logger.error(f"Slack文件发送失败: {err}")
             return False, str(err)
 
+    def add_reaction(self, channel: str, timestamp: str, emoji: str) -> bool:
+        """
+        为 Slack 消息添加 reaction，用作正在处理状态。
+        """
+        if not self._client or not channel or not timestamp or not emoji:
+            return False
+        try:
+            result = self._client.reactions_add(
+                channel=channel,
+                timestamp=timestamp,
+                name=emoji,
+            )
+            return bool(result and result.get("ok", True))
+        except Exception as err:
+            logger.error(f"Slack添加reaction失败: {err}")
+            return False
+
+    def remove_reaction(self, channel: str, timestamp: str, emoji: str) -> bool:
+        """
+        移除 Slack 消息 reaction。
+        """
+        if not self._client or not channel or not timestamp or not emoji:
+            return False
+        try:
+            result = self._client.reactions_remove(
+                channel=channel,
+                timestamp=timestamp,
+                name=emoji,
+            )
+            return bool(result and result.get("ok", True))
+        except Exception as err:
+            logger.error(f"Slack移除reaction失败: {err}")
+            return False
+
     def send_medias_msg(self, medias: List[MediaInfo], userid: Optional[str] = None, title: Optional[str] = None,
                         buttons: Optional[List[List[dict]]] = None,
                         original_message_id: Optional[str] = None,
diff --git a/app/modules/telegram/__init__.py b/app/modules/telegram/__init__.py
index 183f0675..f7392de4 100644
--- a/app/modules/telegram/__init__.py
+++ b/app/modules/telegram/__init__.py
@@ -596,6 +596,57 @@ class TelegramModule(_ModuleBase, _MessageBase[Telegram]):
                     return True
         return False
 
+    def mark_message_processing_started(
+            self,
+            channel: MessageChannel,
+            source: str,
+            userid: Optional[Union[str, int]] = None,
+            message_id: Optional[Union[str, int]] = None,
+            chat_id: Optional[Union[str, int]] = None,
+            text: Optional[str] = None,
+    ) -> Optional[dict]:
+        """
+        标记 Telegram 消息正在处理。
+        入站侧已经启动 typing 任务，这里只返回可用于统一收口的上下文。
+        """
+        if channel != self._channel:
+            return None
+        if not text:
+            return None
+        return {
+            "channel": channel.value,
+            "source": source,
+            "userid": userid,
+            "message_id": message_id,
+            "chat_id": chat_id,
+            "metadata": {"kind": "typing"},
+        }
+
+    def mark_message_processing_finished(
+            self,
+            channel: MessageChannel,
+            source: str,
+            userid: Optional[Union[str, int]] = None,
+            message_id: Optional[Union[str, int]] = None,
+            chat_id: Optional[Union[str, int]] = None,
+            status: Optional[dict] = None,
+    ) -> Optional[bool]:
+        """
+        结束 Telegram typing 状态。
+        """
+        if channel != self._channel:
+            return None
+        if status:
+            chat_id = status.get("chat_id") or chat_id
+            userid = status.get("userid") or userid
+        client_config = self.get_config(source)
+        if not client_config:
+            return False
+        client: Telegram = self.get_instance(client_config.name)
+        if not client:
+            return False
+        return client.stop_typing(chat_id=chat_id, userid=userid)
+
     def send_direct_message(self, message: Notification) -> Optional[MessageResponse]:
         """
         直接发送消息并返回消息ID等信息
diff --git a/app/modules/telegram/telegram.py b/app/modules/telegram/telegram.py
index ad55c9d8..e3be15fd 100644
--- a/app/modules/telegram/telegram.py
+++ b/app/modules/telegram/telegram.py
@@ -43,7 +43,12 @@ class Telegram:
     ] = {}  # userid -> chat_id mapping for reply targeting
     _bot_username: Optional[str] = None  # Bot username for mention detection
     _typing_tasks: Dict[str, threading.Thread] = {}  # chat_id -> typing任务
-    _typing_stop_flags: Dict[str, bool] = {}  # chat_id -> 停止标志
+    _typing_stop_flags: Dict[str, threading.Event] = {}  # chat_id -> 停止信号
+    _typing_lock = threading.RLock()
+    _typing_interval_seconds = 5
+    _typing_max_duration_seconds = 5 * 60
+    _typing_command_max_duration_seconds = 30
+    _typing_callback_max_duration_seconds = 60
 
     def __init__(
             self,
@@ -54,13 +59,13 @@ class Telegram:
         """
         初始化参数
         """
+        # 即使配置不完整也保留基础属性，便于测试和未启用实例安全调用发送方法。
+        self._telegram_token = TELEGRAM_TOKEN
+        self._telegram_chat_id = TELEGRAM_CHAT_ID
+        self._polling_thread = None
         if not TELEGRAM_TOKEN or not TELEGRAM_CHAT_ID:
             logger.error("Telegram配置不完整！")
             return
-        # Token
-        self._telegram_token = TELEGRAM_TOKEN
-        # Chat Id
-        self._telegram_chat_id = TELEGRAM_CHAT_ID
         # 初始化机器人
         if self._telegram_token and self._telegram_chat_id:
             # telegram bot api 地址，格式：https://api.telegram.org
@@ -114,22 +119,42 @@ class Telegram:
                 # Check if we should process this message
                 if self._should_process_message(message):
                     # 启动持续发送正在输入状态
-                    self._start_typing_task(message.chat.id)
+                    message_text = message.text or message.caption or ""
+                    max_duration = (
+                        self._typing_command_max_duration_seconds
+                        if (
+                                message_text.startswith("/")
+                                and not message_text.lower().startswith("/ai")
+                        )
+                        else None
+                    )
+                    self._start_typing_task(
+                        message.chat.id, max_duration_seconds=max_duration
+                    )
                     payload = self._serialize_update_payload(message)
                     if not payload:
                         logger.warn("Telegram消息序列化失败，跳过转发")
+                        self._stop_typing_task(message.chat.id)
                         return
-                    RequestUtils(timeout=15).post_res(self._ds_url, json=payload)
+                    response = RequestUtils(timeout=15).post_res(
+                        self._ds_url, json=payload
+                    )
+                    if not response or response.status_code >= 400:
+                        logger.warn("Telegram消息转发失败，停止typing状态")
+                        self._stop_typing_task(message.chat.id)
 
             @_bot.callback_query_handler(func=lambda call: True)
             def callback_query(call):
                 """
                 处理按钮点击回调
                 """
+                chat_id = None
+                typing_started = False
                 try:
                     # Update user-chat mapping for callbacks too
+                    chat_id = call.message.chat.id
                     self._update_user_chat_mapping(
-                        call.from_user.id, call.message.chat.id
+                        call.from_user.id, chat_id
                     )
 
                     # 解析回调数据
@@ -146,7 +171,7 @@ class Telegram:
                             "message": {
                                 "message_id": call.message.message_id,
                                 "chat": {
-                                    "id": call.message.chat.id,
+                                    "id": chat_id,
                                 },
                             },
                             "data": callback_data,
@@ -157,13 +182,24 @@ class Telegram:
                     _bot.answer_callback_query(call.id)
 
                     # 启动持续发送正在输入状态
-                    self._start_typing_task(call.message.chat.id)
+                    self._start_typing_task(
+                        chat_id,
+                        max_duration_seconds=self._typing_callback_max_duration_seconds,
+                    )
+                    typing_started = True
 
                     # 发送给主程序处理
-                    RequestUtils(timeout=15).post_res(self._ds_url, json=callback_json)
+                    response = RequestUtils(timeout=15).post_res(
+                        self._ds_url, json=callback_json
+                    )
+                    if not response or response.status_code >= 400:
+                        logger.warn("Telegram按钮回调转发失败，停止typing状态")
+                        self._stop_typing_task(chat_id)
 
                 except Exception as err:
                     logger.error(f"处理按钮回调失败：{str(err)}")
+                    if typing_started and chat_id is not None:
+                        self._stop_typing_task(chat_id)
                     _bot.answer_callback_query(call.id, "处理失败，请重试")
 
             def run_polling():
@@ -326,46 +362,85 @@ class Telegram:
         """
         return self._bot is not None
 
-    def _start_typing_task(self, chat_id: Union[str, int]) -> None:
+    def _start_typing_task(
+            self,
+            chat_id: Union[str, int],
+            max_duration_seconds: Optional[float] = None,
+    ) -> None:
         """
         启动持续发送正在输入状态的任务
         """
         chat_id_str = str(chat_id)
         # 如果已有任务在运行，先停止
-        if chat_id_str in self._typing_tasks:
-            self._stop_typing_task(chat_id_str)
+        self._stop_typing_task(chat_id_str)
 
-        # 设置停止标志
-        self._typing_stop_flags[chat_id_str] = False
+        # 使用独立 Event 避免同一 chat 新旧 typing 线程互相误改停止标记。
+        stop_event = threading.Event()
+        max_duration = max_duration_seconds or self._typing_max_duration_seconds
 
         def typing_worker():
             """定期发送typing状态的后台线程"""
-            while not self._typing_stop_flags.get(chat_id_str, True):
-                try:
-                    if self._bot:
-                        self._bot.send_chat_action(chat_id, "typing")
-                except Exception as e:
-                    logger.debug(f"发送typing状态失败: {e}")
-                # 每5秒发送一次（Telegram客户端会在约5-6秒后消失状态）
-                for _ in range(50):
-                    if self._typing_stop_flags.get(chat_id_str, True):
+            started_at = time.monotonic()
+            try:
+                while not stop_event.is_set():
+                    if time.monotonic() - started_at >= max_duration:
+                        logger.warning(
+                            "Telegram typing状态超过最大续期，自动停止: chat_id=%s",
+                            chat_id_str,
+                        )
                         break
-                    time.sleep(0.1)
+                    try:
+                        if self._bot:
+                            self._bot.send_chat_action(chat_id, "typing")
+                    except Exception as e:
+                        logger.debug(f"发送typing状态失败: {e}")
+                    # Telegram 客户端约 5-6 秒后会隐藏 typing，需要周期性续发。
+                    stop_event.wait(self._typing_interval_seconds)
+            finally:
+                with self._typing_lock:
+                    current = self._typing_tasks.get(chat_id_str)
+                    if current is threading.current_thread():
+                        self._typing_tasks.pop(chat_id_str, None)
+                        self._typing_stop_flags.pop(chat_id_str, None)
 
         thread = threading.Thread(target=typing_worker, daemon=True)
+        with self._typing_lock:
+            self._typing_stop_flags[chat_id_str] = stop_event
+            self._typing_tasks[chat_id_str] = thread
         thread.start()
-        self._typing_tasks[chat_id_str] = thread
 
     def _stop_typing_task(self, chat_id: Union[str, int]) -> None:
         """
         停止正在输入状态的任务
         """
         chat_id_str = str(chat_id)
-        self._typing_stop_flags[chat_id_str] = True
-        if chat_id_str in self._typing_tasks:
+        with self._typing_lock:
+            stop_event = self._typing_stop_flags.pop(chat_id_str, None)
             task = self._typing_tasks.pop(chat_id_str, None)
-            if task and task.is_alive():
-                task.join(timeout=1)
+        if stop_event:
+            stop_event.set()
+        if task and task.is_alive() and task is not threading.current_thread():
+            task.join(timeout=1)
+
+    def stop_typing(
+            self,
+            chat_id: Optional[Union[str, int]] = None,
+            userid: Optional[Union[str, int]] = None,
+    ) -> bool:
+        """
+        外部链路主动停止 typing 状态。
+        """
+        if chat_id:
+            target_chat_id = chat_id
+        elif userid:
+            target_chat_id = self._get_user_chat_id(str(userid)) or str(userid)
+        else:
+            target_chat_id = None
+        target_chat_id = target_chat_id or (str(userid) if userid else None)
+        if not target_chat_id:
+            return False
+        self._stop_typing_task(target_chat_id)
+        return True
 
     def send_msg(
             self,
@@ -395,12 +470,12 @@ class Telegram:
         if not self._telegram_token or not self._telegram_chat_id:
             return None
 
-        if not title and not text:
-            logger.warn("标题和内容不能同时为空")
-            return {"success": False}
-
         # Determine target chat_id with improved logic using user mapping
         chat_id = self._determine_target_chat_id(userid, original_chat_id)
+        if not title and not text:
+            logger.warn("标题和内容不能同时为空")
+            self._stop_typing_task(chat_id)
+            return {"success": False}
 
         try:
             # 标准化标题后再加粗，避免**符号被显示为文本
@@ -483,6 +558,7 @@ class Telegram:
         voice_file = Path(voice_path)
         if not voice_file.exists():
             logger.error(f"语音文件不存在: {voice_file}")
+            self._stop_typing_task(chat_id)
             return {"success": False}
 
         try:
@@ -526,12 +602,13 @@ class Telegram:
         if not self._bot or not file_path:
             return None
 
+        chat_id = self._determine_target_chat_id(userid, original_chat_id)
         local_file = Path(file_path)
         if not local_file.exists() or not local_file.is_file():
             logger.error(f"附件文件不存在: {local_file}")
+            self._stop_typing_task(chat_id)
             return {"success": False}
 
-        chat_id = self._determine_target_chat_id(userid, original_chat_id)
         send_name = file_name or local_file.name
         suffix = local_file.suffix.lower()
         is_image = suffix in {".png", ".jpg", ".jpeg", ".gif", ".webp", ".bmp"}
@@ -622,6 +699,8 @@ class Telegram:
         if not self._telegram_token or not self._telegram_chat_id:
             return None
 
+        # 列表消息也可能是一次交互的最终响应，需要确保 typing 状态在发送后结束。
+        chat_id = self._determine_target_chat_id(userid, original_chat_id)
         try:
             index, image, caption = 1, "", "*%s*" % title
             for media in medias:
@@ -649,9 +728,6 @@ class Telegram:
             if link:
                 caption = f"{caption}\n[查看详情]({link})"
 
-            # Determine target chat_id with improved logic using user mapping
-            chat_id = self._determine_target_chat_id(userid, original_chat_id)
-
             # 创建按钮键盘
             reply_markup = None
             if buttons:
@@ -675,6 +751,8 @@ class Telegram:
         except Exception as msg_e:
             logger.error(f"发送消息失败：{msg_e}")
             return False
+        finally:
+            self._stop_typing_task(chat_id)
 
     def send_torrents_msg(
             self,
@@ -699,6 +777,8 @@ class Telegram:
         if not self._telegram_token or not self._telegram_chat_id:
             return None
 
+        # 资源列表是搜索交互的常见出口，也必须统一释放 typing 状态。
+        chat_id = self._determine_target_chat_id(userid, original_chat_id)
         try:
             index, caption = 1, "*%s*" % title
             image = torrents[0].media_info.get_message_image()
@@ -725,9 +805,6 @@ class Telegram:
             if link:
                 caption = f"{caption}\n[查看详情]({link})"
 
-            # Determine target chat_id with improved logic using user mapping
-            chat_id = self._determine_target_chat_id(userid, original_chat_id)
-
             # 创建按钮键盘
             reply_markup = None
             if buttons:
@@ -751,6 +828,8 @@ class Telegram:
         except Exception as msg_e:
             logger.error(f"发送消息失败：{msg_e}")
             return False
+        finally:
+            self._stop_typing_task(chat_id)
 
     @staticmethod
     def _create_inline_keyboard(buttons: List[List[Dict]]) -> InlineKeyboardMarkup:
@@ -872,6 +951,8 @@ class Telegram:
         except Exception as e:
             logger.error(f"编辑Telegram消息异常: {str(e)}")
             return False
+        finally:
+            self._stop_typing_task(chat_id)
 
     def __edit_message(
             self,
diff --git a/app/schemas/message.py b/app/schemas/message.py
index 6ec6e749..64e365ab 100644
--- a/app/schemas/message.py
+++ b/app/schemas/message.py
@@ -275,6 +275,8 @@ class ChannelCapability(Enum):
     LINKS = "links"
     # 支持文件发送
     FILE_SENDING = "file_sending"
+    # 支持可收口的消息处理状态提示，如 reaction 或 typing
+    PROCESSING_STATUS = "processing_status"
 
 
 @dataclass
@@ -312,6 +314,7 @@ class ChannelCapabilityManager:
                 ChannelCapability.IMAGES,
                 ChannelCapability.LINKS,
                 ChannelCapability.FILE_SENDING,
+                ChannelCapability.PROCESSING_STATUS,
             },
             max_buttons_per_row=4,
             max_button_rows=10,
@@ -339,6 +342,7 @@ class ChannelCapabilityManager:
                 ChannelCapability.IMAGES,
                 ChannelCapability.LINKS,
                 ChannelCapability.FILE_SENDING,
+                ChannelCapability.PROCESSING_STATUS,
             },
             max_buttons_per_row=3,
             max_button_rows=8,
@@ -370,6 +374,7 @@ class ChannelCapabilityManager:
                 ChannelCapability.LINKS,
                 ChannelCapability.MENU_COMMANDS,
                 ChannelCapability.FILE_SENDING,
+                ChannelCapability.PROCESSING_STATUS,
             },
             max_buttons_per_row=3,
             max_button_rows=8,
@@ -390,6 +395,7 @@ class ChannelCapabilityManager:
                 ChannelCapability.IMAGES,
                 ChannelCapability.LINKS,
                 ChannelCapability.FILE_SENDING,
+                ChannelCapability.PROCESSING_STATUS,
             },
             max_buttons_per_row=5,
             max_button_rows=5,
diff --git a/tests/test_feishu.py b/tests/test_feishu.py
index 10aabba4..729c935c 100644
--- a/tests/test_feishu.py
+++ b/tests/test_feishu.py
@@ -965,6 +965,50 @@ class TestFeishu(unittest.TestCase):
         self.assertEqual(reaction_id, "reaction_2")
         self.assertTrue(deleted)
 
+    def test_module_processing_status_uses_reaction_helpers(self):
+        module = FeishuModule()
+        module._channel = MessageChannel.Feishu
+
+        with (
+            patch.object(
+                module,
+                "add_feishu_message_reaction",
+                return_value="reaction_processing",
+            ) as add_reaction,
+            patch.object(
+                module,
+                "delete_feishu_message_reaction",
+                return_value=True,
+            ) as delete_reaction,
+        ):
+            status = module.mark_message_processing_started(
+                channel=MessageChannel.Feishu,
+                source="feishu-main",
+                userid="ou_x",
+                message_id="om_x",
+                chat_id="oc_x",
+                text="hello",
+            )
+            deleted = module.mark_message_processing_finished(
+                channel=MessageChannel.Feishu,
+                source="feishu-main",
+                userid="ou_x",
+                status=status,
+            )
+
+        add_reaction.assert_called_once_with(
+            message_id="om_x",
+            emoji_type="GLANCE",
+            source="feishu-main",
+        )
+        delete_reaction.assert_called_once_with(
+            message_id="om_x",
+            reaction_id="reaction_processing",
+            source="feishu-main",
+        )
+        self.assertEqual(status["metadata"]["reaction_id"], "reaction_processing")
+        self.assertTrue(deleted)
+
     def test_module_finalize_message_closes_streaming_card(self):
         module = FeishuModule()
         module._channel = MessageChannel.Feishu
diff --git a/tests/test_message_processing_status.py b/tests/test_message_processing_status.py
new file mode 100644
index 00000000..001a4d29
--- /dev/null
+++ b/tests/test_message_processing_status.py
@@ -0,0 +1,153 @@
+import json
+import unittest
+from types import SimpleNamespace
+from unittest.mock import MagicMock, patch
+
+from app.agent import _finish_processing_status
+from app.modules.discord import DiscordModule
+from app.modules.slack import SlackModule
+from app.schemas.message import ChannelCapability, ChannelCapabilityManager
+from app.schemas.types import MessageChannel
+
+
+class TestMessageProcessingStatus(unittest.TestCase):
+    def test_processing_status_capability_only_enabled_for_supported_channels(self):
+        supported = {
+            MessageChannel.Telegram,
+            MessageChannel.Feishu,
+            MessageChannel.Slack,
+            MessageChannel.Discord,
+        }
+
+        for channel in MessageChannel:
+            self.assertEqual(
+                ChannelCapabilityManager.supports_capability(
+                    channel, ChannelCapability.PROCESSING_STATUS
+                ),
+                channel in supported,
+            )
+
+    def test_slack_processing_status_uses_reaction(self):
+        module = SlackModule()
+        module._channel = MessageChannel.Slack
+        client = MagicMock()
+        client.add_reaction.return_value = True
+        client.remove_reaction.return_value = True
+
+        with (
+            patch.object(
+                module, "get_config", return_value=SimpleNamespace(name="slack-main")
+            ),
+            patch.object(module, "get_instance", return_value=client),
+        ):
+            status = module.mark_message_processing_started(
+                channel=MessageChannel.Slack,
+                source="slack-main",
+                userid="U01",
+                message_id="1710000000.000100",
+                chat_id="C01",
+                text="hello",
+            )
+            removed = module.mark_message_processing_finished(
+                channel=MessageChannel.Slack,
+                source="slack-main",
+                userid="U01",
+                status=status,
+            )
+
+        client.add_reaction.assert_called_once_with(
+            channel="C01",
+            timestamp="1710000000.000100",
+            emoji="eyes",
+        )
+        client.remove_reaction.assert_called_once_with(
+            channel="C01",
+            timestamp="1710000000.000100",
+            emoji="eyes",
+        )
+        self.assertEqual(status["metadata"]["kind"], "reaction")
+        self.assertTrue(removed)
+
+    def test_slack_parser_exposes_message_location_for_reaction_status(self):
+        module = SlackModule()
+
+        with patch.object(
+            module, "get_config", return_value=SimpleNamespace(name="slack-main")
+        ):
+            message = module.message_parser(
+                source="slack-main",
+                body=json.dumps(
+                    {
+                        "type": "message",
+                        "user": "U01",
+                        "text": "hello",
+                        "ts": "1710000000.000100",
+                        "channel": "C01",
+                    }
+                ),
+                form=None,
+                args=None,
+            )
+
+        self.assertEqual(message.message_id, "1710000000.000100")
+        self.assertEqual(message.chat_id, "C01")
+
+    def test_discord_processing_status_starts_and_stops_typing(self):
+        module = DiscordModule()
+        module._channel = MessageChannel.Discord
+        client = MagicMock()
+        client.start_typing.return_value = True
+        client.stop_typing.return_value = True
+
+        with (
+            patch.object(
+                module, "get_config", return_value=SimpleNamespace(name="discord-main")
+            ),
+            patch.object(module, "get_instance", return_value=client),
+        ):
+            status = module.mark_message_processing_started(
+                channel=MessageChannel.Discord,
+                source="discord-main",
+                userid="10001",
+                message_id="20002",
+                chat_id="30003",
+                text="hello",
+            )
+            finished = module.mark_message_processing_finished(
+                channel=MessageChannel.Discord,
+                source="discord-main",
+                userid="10001",
+                status=status,
+            )
+
+        client.start_typing.assert_called_once_with(userid="10001", chat_id="30003")
+        client.stop_typing.assert_called_once_with(userid="10001", chat_id="30003")
+        self.assertEqual(status["metadata"]["kind"], "typing")
+        self.assertTrue(finished)
+
+    def test_agent_finish_processing_status_uses_module_interface(self):
+        status = {
+            "channel": MessageChannel.Telegram.value,
+            "source": "telegram-main",
+            "userid": "10001",
+            "message_id": None,
+            "chat_id": "-100",
+            "metadata": {"kind": "typing"},
+        }
+
+        with patch("app.agent.AgentChain") as chain_cls:
+            _finish_processing_status(status, user_id="fallback")
+
+        chain_cls.return_value.run_module.assert_called_once_with(
+            "mark_message_processing_finished",
+            channel=MessageChannel.Telegram,
+            source="telegram-main",
+            userid="10001",
+            message_id=None,
+            chat_id="-100",
+            status=status,
+        )
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/tests/test_telegram_typing_lifecycle.py b/tests/test_telegram_typing_lifecycle.py
new file mode 100644
index 00000000..4e96fb87
--- /dev/null
+++ b/tests/test_telegram_typing_lifecycle.py
@@ -0,0 +1,189 @@
+import time
+import unittest
+from unittest.mock import Mock, patch
+
+from app.chain.message import MessageChain
+from app.modules.telegram.telegram import Telegram
+from app.schemas.types import MessageChannel
+
+
+class TestTelegramTypingLifecycle(unittest.TestCase):
+    def setUp(self):
+        self._cleanup_typing_tasks()
+
+    def tearDown(self):
+        self._cleanup_typing_tasks()
+
+    @staticmethod
+    def _cleanup_typing_tasks():
+        helper = Telegram.__new__(Telegram)
+        for chat_id in list(Telegram._typing_tasks.keys()):
+            helper._stop_typing_task(chat_id)
+        Telegram._typing_tasks.clear()
+        Telegram._typing_stop_flags.clear()
+        Telegram._user_chat_mapping.clear()
+
+    @staticmethod
+    def _telegram_client() -> Telegram:
+        telegram = Telegram.__new__(Telegram)
+        telegram._bot = Mock()
+        telegram._telegram_token = "token"
+        telegram._telegram_chat_id = "default-chat"
+        # 缩短测试中的等待时间，不改变生产默认续发间隔。
+        telegram._typing_interval_seconds = 0.01
+        telegram._typing_max_duration_seconds = 1
+        return telegram
+
+    def test_start_typing_can_stop_by_chat_id(self):
+        telegram = self._telegram_client()
+
+        telegram._start_typing_task("chat-1", max_duration_seconds=1)
+        time.sleep(0.03)
+
+        self.assertIn("chat-1", Telegram._typing_tasks)
+        self.assertTrue(telegram._bot.send_chat_action.called)
+        self.assertTrue(telegram.stop_typing(chat_id="chat-1"))
+        self.assertNotIn("chat-1", Telegram._typing_tasks)
+
+    def test_start_typing_can_stop_by_user_mapping(self):
+        telegram = self._telegram_client()
+        Telegram._user_chat_mapping["10001"] = "chat-2"
+
+        telegram._start_typing_task("chat-2", max_duration_seconds=1)
+        time.sleep(0.03)
+
+        self.assertTrue(telegram.stop_typing(userid="10001"))
+        self.assertNotIn("chat-2", Telegram._typing_tasks)
+
+    def test_typing_task_has_max_duration_guard(self):
+        telegram = self._telegram_client()
+
+        telegram._start_typing_task("chat-3", max_duration_seconds=0.02)
+        time.sleep(0.08)
+
+        self.assertNotIn("chat-3", Telegram._typing_tasks)
+
+    def test_slash_command_stops_typing_when_message_handler_returns(self):
+        chain = MessageChain.__new__(MessageChain)
+        status = MessageChain._ProcessingStatus(
+            channel=MessageChannel.Telegram,
+            source="telegram-test",
+            userid="10001",
+            chat_id="-100",
+            metadata={"kind": "typing"},
+        )
+
+        with patch.object(chain, "_record_user_message"), patch.object(
+                chain, "_mark_message_processing_started", return_value=status
+        ), patch.object(chain, "_handle_message_core"), patch.object(
+                chain, "_mark_message_processing_finished"
+        ) as finish_status:
+            chain.handle_message(
+                channel=MessageChannel.Telegram,
+                source="telegram-test",
+                userid="10001",
+                username="tester",
+                text="/sites",
+                original_chat_id="-100",
+            )
+
+        finish_status.assert_called_once_with(
+            channel=MessageChannel.Telegram,
+            source="telegram-test",
+            userid="10001",
+            status=status,
+            original_message_id=None,
+            original_chat_id="-100",
+        )
+
+    def test_async_agent_keeps_processing_status_for_worker(self):
+        chain = MessageChain.__new__(MessageChain)
+        status = MessageChain._ProcessingStatus(
+            channel=MessageChannel.Telegram,
+            source="telegram-test",
+            userid="10001",
+            chat_id="-100",
+            metadata={"kind": "typing"},
+        )
+
+        with patch.object(chain, "_record_user_message"), patch.object(
+                chain, "_mark_message_processing_started", return_value=status
+        ), patch.object(chain, "_handle_message_core", return_value=True), patch.object(
+                chain, "_mark_message_processing_finished"
+        ) as finish_status:
+            chain.handle_message(
+                channel=MessageChannel.Telegram,
+                source="telegram-test",
+                userid="10001",
+                username="tester",
+                text="/ai 搜索电影",
+                original_chat_id="-100",
+            )
+
+        finish_status.assert_not_called()
+
+    def test_callback_stops_typing_when_message_handler_returns(self):
+        chain = MessageChain.__new__(MessageChain)
+        status = MessageChain._ProcessingStatus(
+            channel=MessageChannel.Telegram,
+            source="telegram-test",
+            userid="10001",
+            chat_id="-100",
+            metadata={"kind": "typing"},
+        )
+
+        with patch.object(chain, "_record_user_message"), patch.object(
+                chain, "_mark_message_processing_started", return_value=status
+        ), patch.object(chain, "_handle_message_core"), patch.object(
+                chain, "_mark_message_processing_finished"
+        ) as finish_status:
+            chain.handle_message(
+                channel=MessageChannel.Telegram,
+                source="telegram-test",
+                userid="10001",
+                username="tester",
+                text="CALLBACK:sites:req-1:refresh",
+                original_chat_id="-100",
+            )
+
+        finish_status.assert_called_once_with(
+            channel=MessageChannel.Telegram,
+            source="telegram-test",
+            userid="10001",
+            status=status,
+            original_message_id=None,
+            original_chat_id="-100",
+        )
+
+    def test_chain_finishes_processing_through_module_interface(self):
+        chain = MessageChain.__new__(MessageChain)
+        status = MessageChain._ProcessingStatus(
+            channel=MessageChannel.Telegram,
+            source="telegram-test",
+            userid="10001",
+            chat_id="-100",
+            metadata={"kind": "typing"},
+        )
+
+        with patch.object(chain, "run_module") as run_module:
+            chain._mark_message_processing_finished(
+                channel=MessageChannel.Telegram,
+                source="telegram-test",
+                userid="10001",
+                status=status,
+                original_chat_id="-100",
+            )
+
+        run_module.assert_called_once_with(
+            "mark_message_processing_finished",
+            channel=MessageChannel.Telegram,
+            source="telegram-test",
+            userid="10001",
+            message_id=None,
+            chat_id="-100",
+            status=status.to_dict(),
+        )
+
+
+if __name__ == "__main__":
+    unittest.main()