Merge remote-tracking branch 'origin/master' into feat/sandbox

# Conflicts:
#	src/langbot/pkg/api/http/controller/groups/plugins.py
#	src/langbot/pkg/core/app.py
#	src/langbot/pkg/core/stages/build_app.py
#	src/langbot/templates/config.yaml
#	uv.lock
#	web/src/app/home/components/home-sidebar/HomeSidebar.tsx
#	web/src/app/home/components/home-sidebar/SidebarDataContext.tsx
#	web/src/app/home/layout.tsx
#	web/src/app/home/plugins/components/plugin-market/PluginMarketComponent.tsx
#	web/src/i18n/locales/en-US.ts
#	web/src/i18n/locales/es-ES.ts
#	web/src/i18n/locales/ja-JP.ts
#	web/src/i18n/locales/th-TH.ts
#	web/src/i18n/locales/vi-VN.ts
#	web/src/i18n/locales/zh-Hans.ts
#	web/src/i18n/locales/zh-Hant.ts
#	web/src/router.tsx

src/langbot/libs/dingtalk_api/api.py

@@ -481,6 +481,12 @@ class DingTalkClient:
         card_data['config'] = json.dumps({'autoLayout': card_auto_layout})
         card_data['content'] = ''
 
+        # 将用户的消息内容作为卡片的查询参数，方便后续处理
+        if incoming_message.message_type == 'text':
+            card_data['query'] = incoming_message.get_text_list()[0]
+        else:
+            card_data['query'] = '...'
+
         card_instance = dingtalk_stream.AICardReplier(self.client, incoming_message)
         # print(card_instance)
         # 先投放卡片: https://open.dingtalk.com/document/orgapp/create-and-deliver-cards

src/langbot/libs/qq_official_api/api.py

@@ -1,8 +1,10 @@
+import re
 import time
+import asyncio
 from quart import request
 import httpx
 from quart import Quart
-from typing import Callable, Dict, Any
+from typing import Callable, Dict, Any, Optional
 import langbot_plugin.api.entities.builtin.platform.events as platform_events
 from .qqofficialevent import QQOfficialEvent
 import json
@@ -32,6 +34,8 @@ class QQOfficialClient:
         self.access_token = ''
         self.access_token_expiry_time = None
         self.logger = logger
+        self._msg_seq_counter = 0
+        self._token_refresh_task: Optional[asyncio.Task] = None
 
     async def check_access_token(self):
         """检查access_token是否存在"""
@@ -50,18 +54,18 @@ class QQOfficialClient:
             headers = {
                 'content-type': 'application/json',
             }
-            try:
-                response = await client.post(url, json=params, headers=headers)
-                if response.status_code == 200:
-                    response_data = response.json()
-                access_token = response_data.get('access_token')
-                expires_in = int(response_data.get('expires_in', 7200))
-                self.access_token_expiry_time = time.time() + expires_in - 60
-                if access_token:
-                    self.access_token = access_token
-            except Exception as e:
-                await self.logger.error(f'获取access_token失败: {response_data}')
-                raise Exception(f'获取access_token失败: {e}')
+            response = await client.post(url, json=params, headers=headers)
+            if response.status_code != 200:
+                raise Exception(f'Failed to get access_token: HTTP {response.status_code} {response.text}')
+            response_data = response.json()
+            access_token = response_data.get('access_token')
+            expires_in = int(response_data.get('expires_in', 7200))
+            self.access_token_expiry_time = time.time() + expires_in - 60
+            if access_token:
+                self.access_token = access_token
+                await self.logger.info(f'access_token obtained, expires_in={expires_in}s')
+            else:
+                raise Exception('Failed to get access_token: no access_token in response')
 
     async def handle_callback_request(self):
         """处理回调请求（独立端口模式，使用全局 request）"""
@@ -87,10 +91,10 @@ class QQOfficialClient:
         try:
             body = await req.get_data()
 
-            print(f'[QQ Official] Received request, body length: {len(body)}')
+            await self.logger.info(f'Received request, body length: {len(body)}')
 
             if not body or len(body) == 0:
-                print('[QQ Official] Received empty body, might be health check or GET request')
+                await self.logger.info('Received empty body, might be health check or GET request')
                 return {'code': 0, 'message': 'ok'}, 200
 
             payload = json.loads(body)
@@ -111,7 +115,6 @@ class QQOfficialClient:
             return {'code': 0, 'message': 'success'}
 
         except Exception as e:
-            print(f'[QQ Official] ERROR: {traceback.format_exc()}')
             await self.logger.error(f'Error in handle_callback_request: {traceback.format_exc()}')
             return {'error': str(e)}, 400
 
@@ -139,21 +142,24 @@ class QQOfficialClient:
 
     async def get_message(self, msg: dict) -> Dict[str, Any]:
         """获取消息"""
+        d = msg.get('d', {})
+        if not isinstance(d, dict):
+            return {}
         message_data = {
             't': msg.get('t', {}),
-            'user_openid': msg.get('d', {}).get('author', {}).get('user_openid', {}),
-            'timestamp': msg.get('d', {}).get('timestamp', {}),
-            'd_author_id': msg.get('d', {}).get('author', {}).get('id', {}),
-            'content': msg.get('d', {}).get('content', {}),
-            'd_id': msg.get('d', {}).get('id', {}),
+            'user_openid': d.get('author', {}).get('user_openid', {}),
+            'timestamp': d.get('timestamp', {}),
+            'd_author_id': d.get('author', {}).get('id', {}),
+            'content': d.get('content', {}),
+            'd_id': d.get('id', {}),
             'id': msg.get('id', {}),
-            'channel_id': msg.get('d', {}).get('channel_id', {}),
-            'username': msg.get('d', {}).get('author', {}).get('username', {}),
-            'guild_id': msg.get('d', {}).get('guild_id', {}),
-            'member_openid': msg.get('d', {}).get('author', {}).get('openid', {}),
-            'group_openid': msg.get('d', {}).get('group_openid', {}),
+            'channel_id': d.get('channel_id', {}),
+            'username': d.get('author', {}).get('username', {}),
+            'guild_id': d.get('guild_id', {}),
+            'member_openid': d.get('author', {}).get('openid', {}),
+            'group_openid': d.get('group_openid', {}),
         }
-        attachments = msg.get('d', {}).get('attachments', [])
+        attachments = d.get('attachments', [])
         image_attachments = [attachment['url'] for attachment in attachments if await self.is_image(attachment)]
         image_attachments_type = [
             attachment['content_type'] for attachment in attachments if await self.is_image(attachment)
@@ -192,7 +198,7 @@ class QQOfficialClient:
             if response.status_code == 200:
                 return
             else:
-                await self.logger.error(f'发送私聊消息失败: {response_data}')
+                await self.logger.error(f'Failed to send private message: {response_data}')
                 raise ValueError(response)
 
     async def send_group_text_msg(self, group_openid: str, content: str, msg_id: str):
@@ -215,7 +221,7 @@ class QQOfficialClient:
             if response.status_code == 200:
                 return
             else:
-                await self.logger.error(f'发送群聊消息失败:{response.json()}')
+                await self.logger.error(f'Failed to send group message: {response.json()}')
                 raise Exception(response.read().decode())
 
     async def send_channle_group_text_msg(self, channel_id: str, content: str, msg_id: str):
@@ -238,7 +244,7 @@ class QQOfficialClient:
             if response.status_code == 200:
                 return True
             else:
-                await self.logger.error(f'发送频道群聊消息失败: {response.json()}')
+                await self.logger.error(f'Failed to send channel group message: {response.json()}')
                 raise Exception(response)
 
     async def send_channle_private_text_msg(self, guild_id: str, content: str, msg_id: str):
@@ -261,9 +267,224 @@ class QQOfficialClient:
             if response.status_code == 200:
                 return True
             else:
-                await self.logger.error(f'发送频道私聊消息失败: {response.json()}')
+                await self.logger.error(f'Failed to send channel private message: {response.json()}')
                 raise Exception(response)
 
+    # ---- 富媒体消息 ----
+
+    # 媒体文件类型
+    MEDIA_TYPE_IMAGE = 1
+    MEDIA_TYPE_VIDEO = 2
+    MEDIA_TYPE_VOICE = 3
+    MEDIA_TYPE_FILE = 4
+
+    async def upload_media(
+        self,
+        target_type: str,
+        target_id: str,
+        file_type: int,
+        file_url: str = None,
+        file_data: str = None,
+        file_name: str = None,
+    ) -> str:
+        """上传媒体文件，返回 file_info。
+
+        Args:
+            target_type: 'c2c' | 'group'
+            target_id: 用户 openid 或群 openid
+            file_type: 1=图片, 2=视频, 3=语音, 4=文件
+            file_url: 在线 URL（与 file_data 二选一）
+            file_data: base64 编码的文件数据或 data URL（与 file_url 二选一）
+            file_name: 文件名（file_type=4 时必填）
+        """
+        if not await self.check_access_token():
+            await self.get_access_token()
+
+        if target_type == 'c2c':
+            url = f'{self.base_url}/v2/users/{target_id}/files'
+        elif target_type == 'group':
+            url = f'{self.base_url}/v2/groups/{target_id}/files'
+        else:
+            raise ValueError(f'Unsupported target_type: {target_type}')
+
+        body = {
+            'file_type': file_type,
+            'srv_send_msg': False,
+        }
+        if file_url:
+            body['url'] = file_url
+        elif file_data:
+            # 处理 data URL 格式: data:image/png;base64,xxxxx
+            if file_data.startswith('data:'):
+                match = re.match(r'^data:[^;]+;base64,(.+)$', file_data, re.DOTALL)
+                if match:
+                    body['file_data'] = match.group(1)
+                else:
+                    body['file_data'] = file_data
+            else:
+                body['file_data'] = file_data
+        else:
+            raise ValueError('file_url or file_data is required')
+
+        if file_type == self.MEDIA_TYPE_FILE and file_name:
+            body['file_name'] = file_name
+
+        async with httpx.AsyncClient(timeout=120) as client:
+            headers = {
+                'Authorization': f'QQBot {self.access_token}',
+                'Content-Type': 'application/json',
+            }
+            response = await client.post(url, headers=headers, json=body)
+            if response.status_code == 200:
+                data = response.json()
+                file_info = data.get('file_info', '')
+                preview = file_info[:80] + '...' if len(file_info) > 80 else file_info
+                await self.logger.info(f'Upload media success, file_info={preview}')
+                return file_info
+            else:
+                raise Exception(f'Failed to upload media: HTTP {response.status_code} {response.text}')
+
+    async def _send_media_msg(
+        self,
+        target_type: str,
+        target_id: str,
+        file_info: str,
+        msg_id: str = None,
+        content: str = None,
+    ):
+        """发送富媒体消息（msg_type=7）"""
+        if not await self.check_access_token():
+            await self.get_access_token()
+
+        if target_type == 'c2c':
+            url = f'{self.base_url}/v2/users/{target_id}/messages'
+        elif target_type == 'group':
+            url = f'{self.base_url}/v2/groups/{target_id}/messages'
+        else:
+            raise ValueError(f'Unsupported target_type: {target_type}')
+
+        self._msg_seq_counter += 1
+        msg_seq = self._msg_seq_counter
+        body = {
+            'msg_type': 7,
+            'media': {'file_info': file_info},
+            'msg_seq': msg_seq,
+        }
+        if content:
+            body['content'] = content
+        if msg_id:
+            body['msg_id'] = msg_id
+
+        async with httpx.AsyncClient(timeout=120) as client:
+            headers = {
+                'Authorization': f'QQBot {self.access_token}',
+                'Content-Type': 'application/json',
+            }
+            await self.logger.info(f'Sending rich media: {json.dumps(body, ensure_ascii=False)[:200]}')
+            response = await client.post(url, headers=headers, json=body)
+            if response.status_code != 200:
+                raise Exception(f'Failed to send rich media message: HTTP {response.status_code} {response.text}')
+
+    async def send_image_msg(
+        self,
+        target_type: str,
+        target_id: str,
+        file_url: str = None,
+        file_data: str = None,
+        msg_id: str = None,
+        content: str = None,
+    ):
+        """发送图片消息"""
+        file_info = await self.upload_media(
+            target_type,
+            target_id,
+            self.MEDIA_TYPE_IMAGE,
+            file_url=file_url,
+            file_data=file_data,
+        )
+        await self._send_media_msg(target_type, target_id, file_info, msg_id, content)
+
+    async def send_voice_msg(
+        self,
+        target_type: str,
+        target_id: str,
+        file_url: str = None,
+        file_data: str = None,
+        msg_id: str = None,
+    ):
+        """发送语音消息"""
+        file_info = await self.upload_media(
+            target_type,
+            target_id,
+            self.MEDIA_TYPE_VOICE,
+            file_url=file_url,
+            file_data=file_data,
+        )
+        await self._send_media_msg(target_type, target_id, file_info, msg_id)
+
+    async def send_file_msg(
+        self,
+        target_type: str,
+        target_id: str,
+        file_url: str = None,
+        file_data: str = None,
+        file_name: str = None,
+        msg_id: str = None,
+    ):
+        """发送文件消息（含视频）"""
+        file_info = await self.upload_media(
+            target_type,
+            target_id,
+            self.MEDIA_TYPE_FILE,
+            file_url=file_url,
+            file_data=file_data,
+            file_name=file_name,
+        )
+        await self._send_media_msg(target_type, target_id, file_info, msg_id)
+
+    async def send_stream_msg(
+        self,
+        user_openid: str,
+        content: str,
+        event_id: str,
+        msg_id: str,
+        msg_seq: int = 1,
+        index: int = 0,
+        stream_msg_id: str = None,
+        input_state: int = 1,
+    ):
+        """发送流式消息（C2C 私聊）。
+
+        Args:
+            input_state: 1=生成中, 10=生成结束
+        """
+        if not await self.check_access_token():
+            await self.get_access_token()
+
+        url = f'{self.base_url}/v2/users/{user_openid}/stream_messages'
+        body = {
+            'input_mode': 'replace',
+            'input_state': input_state,
+            'content_type': 'markdown',
+            'content_raw': content,
+            'event_id': event_id,
+            'msg_id': msg_id,
+            'msg_seq': msg_seq,
+            'index': index,
+        }
+        if stream_msg_id:
+            body['stream_msg_id'] = stream_msg_id
+
+        async with httpx.AsyncClient(timeout=120) as client:
+            headers = {
+                'Authorization': f'QQBot {self.access_token}',
+                'Content-Type': 'application/json',
+            }
+            response = await client.post(url, headers=headers, json=body)
+            if response.status_code != 200:
+                raise Exception(f'Failed to send stream message: HTTP {response.status_code} {response.text}')
+            return response.json()
+
     async def is_token_expired(self):
         """检查token是否过期"""
         if self.access_token_expiry_time is None:
@@ -292,3 +513,325 @@ class QQOfficialClient:
             'signature': signature,
         }
         return response
+
+    # ---- WebSocket Gateway ----
+    # Reference: https://bot.q.qq.com/wiki/develop/api-v2/dev-prepare/interface-framework/event-emit.html
+
+    INTENT_GUILDS = 1 << 0
+    INTENT_GUILD_MEMBERS = 1 << 1
+    INTENT_PUBLIC_GUILD_MESSAGES = 1 << 30
+    INTENT_DIRECT_MESSAGE = 1 << 12
+    INTENT_GROUP_AND_C2C = 1 << 25
+    INTENT_INTERACTION = 1 << 26
+
+    FULL_INTENTS = (
+        INTENT_GUILDS
+        | INTENT_GUILD_MEMBERS
+        | INTENT_PUBLIC_GUILD_MESSAGES
+        | INTENT_DIRECT_MESSAGE
+        | INTENT_GROUP_AND_C2C
+        | INTENT_INTERACTION
+    )
+
+    async def get_gateway_url(self) -> str:
+        """获取 WebSocket 网关地址"""
+        if not await self.check_access_token():
+            await self.get_access_token()
+
+        url = f'{self.base_url}/gateway'
+        async with httpx.AsyncClient() as client:
+            headers = {
+                'Authorization': f'QQBot {self.access_token}',
+            }
+            response = await client.get(url, headers=headers)
+            if response.status_code == 200:
+                data = response.json()
+                ws_url = data.get('url', '')
+                if not ws_url:
+                    raise Exception('Gateway URL is empty')
+                return ws_url
+            else:
+                raise Exception(f'Failed to get Gateway URL: HTTP {response.status_code} {response.text}')
+
+    async def _background_token_refresh(self):
+        """在 token 到期前主动刷新"""
+        try:
+            while True:
+                if self.access_token_expiry_time:
+                    remain = self.access_token_expiry_time - time.time()
+                    if remain > 120:
+                        await asyncio.sleep(remain - 60)
+                        continue
+                self.access_token = ''
+                self.access_token_expiry_time = None
+                if await self.check_access_token():
+                    await asyncio.sleep(60)
+                else:
+                    await self.get_access_token()
+                    await asyncio.sleep(60)
+        except asyncio.CancelledError:
+            pass
+
+    async def connect_gateway(
+        self,
+        on_event: Callable[[str, dict], Any],
+        on_ready: Optional[Callable[[], Any]] = None,
+        on_error: Optional[Callable[[Exception], Any]] = None,
+    ):
+        """WebSocket 网关连接，含重连逻辑。持续重连直到达到最大次数或被取消。
+
+        Args:
+            on_event: 收到 op=0 Dispatch 事件时的回调，参数为 (event_type, event_data)
+            on_ready: 连接就绪 (收到 READY) 时的回调
+            on_error: 发生错误时的回调
+        """
+        import websockets
+
+        session_id = ''
+        last_seq = 0
+        reconnect_attempts = 0
+        max_reconnect_attempts = 100
+        backoff_delays = [1, 2, 5, 10, 30, 60]
+        rate_limit_delay = 60
+
+        # Cancel previous token refresh task if any
+        if self._token_refresh_task and not self._token_refresh_task.done():
+            self._token_refresh_task.cancel()
+            try:
+                await self._token_refresh_task
+            except asyncio.CancelledError:
+                pass
+            self._token_refresh_task = None
+
+        while reconnect_attempts <= max_reconnect_attempts:
+            heartbeat_interval = 45000
+            should_refresh_token = False
+            ws = None
+            heartbeat_task = None
+
+            # Refresh token if needed
+            if should_refresh_token:
+                self.access_token = ''
+                self.access_token_expiry_time = None
+
+            try:
+                ws_url = await self.get_gateway_url()
+                await self.logger.info(f'Gateway URL obtained: {ws_url[:60]}...')
+            except Exception as e:
+                error_msg = str(e)
+                await self.logger.error(f'Failed to get gateway URL: {e}')
+                reconnect_attempts += 1
+                if '100017' in error_msg or '频率' in error_msg or 'Too many' in error_msg:
+                    delay = rate_limit_delay
+                else:
+                    delay = backoff_delays[min(reconnect_attempts - 1, len(backoff_delays) - 1)]
+                await self.logger.info(f'Reconnecting in {delay}s (attempt {reconnect_attempts})')
+                await asyncio.sleep(delay)
+                continue
+
+            try:
+                await self.logger.info('Connecting to WebSocket gateway...')
+                ws = await websockets.connect(ws_url)
+                await self.logger.info('WebSocket connected')
+            except Exception as e:
+                await self.logger.error(f'WebSocket connection failed: {e}')
+                reconnect_attempts += 1
+                delay = backoff_delays[min(reconnect_attempts - 1, len(backoff_delays) - 1)]
+                await self.logger.info(f'Reconnecting in {delay}s (attempt {reconnect_attempts})')
+                await asyncio.sleep(delay)
+                continue
+
+            try:
+                async for raw_msg in ws:
+                    try:
+                        payload = json.loads(raw_msg)
+                    except json.JSONDecodeError:
+                        await self.logger.error(f'Failed to parse message: {raw_msg}')
+                        continue
+
+                    op = payload.get('op')
+                    d = payload.get('d', {})
+                    s = payload.get('s')
+                    t = payload.get('t')
+
+                    if not isinstance(d, dict):
+                        d = {}
+
+                    if op == 10:  # Hello
+                        heartbeat_interval = d.get('heartbeat_interval', 45000)
+                        await self.logger.info(f'Received Hello, heartbeat_interval={heartbeat_interval}ms')
+
+                        # Send Identify or Resume
+                        if session_id and last_seq > 0:
+                            resume_payload = {
+                                'op': 6,
+                                'd': {
+                                    'token': f'QQBot {self.access_token}',
+                                    'session_id': session_id,
+                                    'seq': last_seq,
+                                },
+                            }
+                            await ws.send(json.dumps(resume_payload))
+                            await self.logger.info(f'Sent Resume, session_id={session_id}, seq={last_seq}')
+                        else:
+                            identify_payload = {
+                                'op': 2,
+                                'd': {
+                                    'token': f'QQBot {self.access_token}',
+                                    'intents': self.FULL_INTENTS,
+                                    'shard': [0, 1],
+                                },
+                            }
+                            await ws.send(json.dumps(identify_payload))
+                            await self.logger.info(f'Sent Identify, intents={self.FULL_INTENTS}')
+
+                        # Start heartbeat
+                        async def _heartbeat_loop(conn, interval_ms):
+                            interval_sec = interval_ms / 1000.0
+                            try:
+                                while True:
+                                    await asyncio.sleep(interval_sec)
+                                    try:
+                                        hb_payload = {'op': 1, 'd': last_seq}
+                                        await conn.send(json.dumps(hb_payload))
+                                    except Exception:
+                                        break
+                            except asyncio.CancelledError:
+                                pass
+
+                        heartbeat_task = asyncio.create_task(_heartbeat_loop(ws, heartbeat_interval))
+
+                    elif op == 0:  # Dispatch
+                        if s is not None:
+                            last_seq = s
+
+                        if t == 'READY':
+                            session_id = d.get('session_id', '')
+                            reconnect_attempts = 0
+                            await self.logger.info(f'READY, session_id={session_id}')
+                            if on_ready:
+                                try:
+                                    result = on_ready()
+                                    if asyncio.iscoroutine(result):
+                                        await result
+                                except Exception:
+                                    pass
+                            # Track token refresh task to avoid leaks
+                            if self._token_refresh_task and not self._token_refresh_task.done():
+                                self._token_refresh_task.cancel()
+                                try:
+                                    await self._token_refresh_task
+                                except asyncio.CancelledError:
+                                    pass
+                            self._token_refresh_task = asyncio.create_task(self._background_token_refresh())
+
+                        elif t == 'RESUMED':
+                            reconnect_attempts = 0
+                            await self.logger.info('RESUMED')
+
+                        else:
+                            await self.logger.debug(f'Received event: {t}, seq={s}')
+                            if on_event:
+                                try:
+                                    result = on_event(t, d)
+                                    if asyncio.iscoroutine(result):
+                                        await result
+                                except Exception:
+                                    await self.logger.error(f'Error handling event {t}: {traceback.format_exc()}')
+
+                    elif op == 11:  # Heartbeat ACK
+                        pass
+
+                    elif op == 7:  # Reconnect
+                        await self.logger.info('Received Reconnect directive')
+                        break
+
+                    elif op == 9:  # Invalid Session
+                        can_resume = d.get('can_resume', False)
+                        await self.logger.warning(f'Invalid Session, can_resume={can_resume}')
+                        if not can_resume:
+                            session_id = ''
+                            last_seq = 0
+                            should_refresh_token = True
+                        break
+
+                # Connection closed normally (end of async for)
+                try:
+                    close_code = ws.close_code
+                    close_reason = ws.close_reason or ''
+                except Exception:
+                    close_code = None
+                    close_reason = ''
+                await self.logger.info(f'Connection closed, code={close_code}, reason={close_reason}')
+
+                if close_code == 4004:
+                    should_refresh_token = True
+                elif close_code in (4006, 4007, 4009):
+                    session_id = ''
+                    last_seq = 0
+                    should_refresh_token = True
+                elif close_code == 4008:
+                    reconnect_attempts += 1
+                    delay = rate_limit_delay
+                    await self.logger.info(
+                        f'Rate limited, waiting {delay}s before reconnect (attempt {reconnect_attempts})'
+                    )
+                    await asyncio.sleep(delay)
+                    continue
+                elif close_code in (4914, 4915):
+                    err = Exception(f'Bot disconnected/banned (close_code={close_code})')
+                    if on_error:
+                        await self._safe_callback(on_error, err)
+                    return
+                elif close_code in (4900, 4901, 4902, 4903, 4904, 4905, 4906, 4907, 4908, 4909, 4910, 4911, 4912, 4913):
+                    session_id = ''
+                    last_seq = 0
+
+                if close_code == 1000:
+                    return
+
+            except asyncio.CancelledError:
+                raise
+            except Exception:
+                await self.logger.error(f'Unexpected error in WebSocket loop: {traceback.format_exc()}')
+            finally:
+                if heartbeat_task:
+                    heartbeat_task.cancel()
+                    try:
+                        await heartbeat_task
+                    except asyncio.CancelledError:
+                        pass
+                if ws:
+                    try:
+                        await ws.close()
+                    except Exception:
+                        pass
+
+            # If we reach here, we need to reconnect
+            reconnect_attempts += 1
+            if reconnect_attempts > max_reconnect_attempts:
+                await self.logger.error(f'Max reconnect attempts ({max_reconnect_attempts}) reached, stopping')
+                if on_error:
+                    await self._safe_callback(on_error, Exception('Max reconnect attempts reached'))
+                return
+            delay = backoff_delays[min(reconnect_attempts - 1, len(backoff_delays) - 1)]
+            await self.logger.info(f'Reconnecting in {delay}s (attempt {reconnect_attempts})')
+            await asyncio.sleep(delay)
+
+    async def _safe_callback(self, callback, *args):
+        """Safely invoke a callback, handling both sync and async functions."""
+        try:
+            result = callback(*args)
+            if asyncio.iscoroutine(result):
+                await result
+        except Exception:
+            pass
+
+    async def connect_gateway_loop(
+        self,
+        on_event: Callable[[str, dict], Any],
+        on_ready: Optional[Callable[[], Any]] = None,
+        on_error: Optional[Callable[[Exception], Any]] = None,
+    ):
+        """持续重连的网关循环。"""
+        await self.connect_gateway(on_event, on_ready, on_error)

src/langbot/pkg/api/http/controller/groups/pipelines/embed.py

@@ -0,0 +1,384 @@
+"""Embed widget routes - serve embeddable chat widget for external websites.
+
+All user-facing URLs are keyed by **bot_uuid** (not pipeline_uuid) so that
+internal pipeline identifiers are never exposed to end-users.  Each handler
+resolves the bot_uuid to the owning ``web_page_bot`` RuntimeBot and extracts
+the bound pipeline_uuid for internal routing.
+"""
+
+import asyncio
+import datetime
+import json
+import logging
+import uuid
+import hmac
+import hashlib
+import time
+import re
+import httpx
+
+import quart
+
+from ... import group
+from ......utils import paths
+from ......platform.sources.websocket_manager import ws_connection_manager
+
+logger = logging.getLogger(__name__)
+
+# Cache the widget template content
+_widget_template_cache: str | None = None
+_logo_bytes_cache: bytes | None = None
+
+
+def _is_valid_uuid(s: str) -> bool:
+    return bool(re.match(r'^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$', s))
+
+
+def _get_widget_template() -> str:
+    """Load and cache the widget JS template."""
+    global _widget_template_cache
+    if _widget_template_cache is None:
+        template_path = paths.get_resource_path('templates/embed/widget.js')
+        with open(template_path, 'r', encoding='utf-8') as f:
+            _widget_template_cache = f.read()
+    return _widget_template_cache
+
+
+def _get_logo_bytes() -> bytes:
+    """Load and cache the logo image."""
+    global _logo_bytes_cache
+    if _logo_bytes_cache is None:
+        logo_path = paths.get_resource_path('templates/embed/logo.webp')
+        with open(logo_path, 'rb') as f:
+            _logo_bytes_cache = f.read()
+    return _logo_bytes_cache
+
+
+@group.group_class('embed', '/api/v1/embed')
+class EmbedRouterGroup(group.RouterGroup):
+    # -- helpers -------------------------------------------------------------
+
+    def _resolve_bot(self, bot_uuid: str):
+        """Resolve *bot_uuid* to ``(runtime_bot, pipeline_uuid)``.
+
+        Returns ``(None, None)`` when the bot does not exist, is not a
+        ``web_page_bot``, is disabled, or has no pipeline bound.
+        """
+        for bot in self.ap.platform_mgr.bots:
+            if (
+                bot.bot_entity.uuid == bot_uuid
+                and bot.bot_entity.adapter == 'web_page_bot'
+                and bot.bot_entity.enable
+                and bot.bot_entity.use_pipeline_uuid
+            ):
+                return bot, bot.bot_entity.use_pipeline_uuid
+        return None, None
+
+    def _get_bot_config(self, bot_uuid: str) -> dict:
+        for bot in self.ap.platform_mgr.bots:
+            if bot.bot_entity.uuid == bot_uuid and bot.bot_entity.adapter == 'web_page_bot':
+                return bot.bot_entity.adapter_config
+        return {}
+
+    async def _verify_session_token(self, request, bot_uuid: str) -> bool:
+        config = self._get_bot_config(bot_uuid)
+        secret = config.get('turnstile_secret_key', '')
+        if not secret:
+            return True
+        auth_header = request.headers.get('Authorization', '')
+        if not auth_header.startswith('Bearer '):
+            return False
+        token = auth_header[7:]
+        try:
+            ts_str, mac = token.split('.', 1)
+            ts = float(ts_str)
+            if time.time() - ts > 86400:
+                return False
+            expected_mac = hmac.new(secret.encode(), f'{ts_str}'.encode(), hashlib.sha256).hexdigest()
+            return hmac.compare_digest(mac, expected_mac)
+        except Exception:
+            return False
+
+    # -- routes --------------------------------------------------------------
+
+    async def initialize(self) -> None:
+        @self.route('/<bot_uuid>/turnstile/verify', methods=['POST'], auth_type=group.AuthType.NONE)
+        async def verify_turnstile(bot_uuid: str) -> str:
+            if not _is_valid_uuid(bot_uuid):
+                return self.http_status(400, -1, 'Invalid bot_uuid format')
+            runtime_bot, pipeline_uuid = self._resolve_bot(bot_uuid)
+            if runtime_bot is None:
+                return self.http_status(404, -1, 'Bot not found or not available')
+            try:
+                data = await quart.request.get_json()
+                token = data.get('token')
+                if not token:
+                    return self.http_status(400, -1, 'Token is required')
+
+                config = self._get_bot_config(bot_uuid)
+                secret = config.get('turnstile_secret_key', '')
+                if not secret:
+                    ts = time.time()
+                    return self.success(data={'token': f'{ts}.dummy'})
+
+                async with httpx.AsyncClient() as client:
+                    resp = await client.post(
+                        'https://challenges.cloudflare.com/turnstile/v0/siteverify',
+                        data={'secret': secret, 'response': token},
+                    )
+                    result = resp.json()
+
+                if not result.get('success'):
+                    return self.http_status(403, -1, 'Turnstile verification failed')
+
+                ts = time.time()
+                mac = hmac.new(secret.encode(), f'{ts}'.encode(), hashlib.sha256).hexdigest()
+                session_token = f'{ts}.{mac}'
+
+                return self.success(data={'token': session_token})
+
+            except Exception as e:
+                logger.error(f'Turnstile verify failed: {e}', exc_info=True)
+                return self.http_status(500, -1, 'Internal server error')
+
+        @self.route('/<bot_uuid>/widget.js', methods=['GET'], auth_type=group.AuthType.NONE)
+        async def serve_widget(bot_uuid: str) -> quart.Response:
+            """Serve the embed widget JavaScript with injected configuration."""
+            if not _is_valid_uuid(bot_uuid):
+                return self.http_status(400, -1, 'Invalid bot_uuid format')
+            runtime_bot, pipeline_uuid = self._resolve_bot(bot_uuid)
+            if runtime_bot is None:
+                return quart.Response(
+                    '// Bot not found or not available', status=404, content_type='application/javascript'
+                )
+            try:
+                template = _get_widget_template()
+            except FileNotFoundError:
+                return quart.Response('// Widget template not found', status=404, content_type='application/javascript')
+
+            base_url = quart.request.host_url.rstrip('/')
+            webhook_prefix = self.ap.instance_config.data.get('api', {}).get('webhook_prefix', '')
+            if webhook_prefix:
+                base_url = webhook_prefix.rstrip('/')
+
+            if not re.match(r'^https?://[a-zA-Z0-9._:/-]+$', base_url):
+                base_url = quart.request.host_url.rstrip('/')
+
+            config = self._get_bot_config(bot_uuid)
+            site_key = config.get('turnstile_site_key', '')
+            locale = config.get('language', 'en_US') or 'en_US'
+            bubble_icon = config.get('bubble_icon', 'logo') or 'logo'
+            widget_js = template.replace('__LANGBOT_TURNSTILE_SITE_KEY__', site_key)
+            widget_js = widget_js.replace('__LANGBOT_BOT_UUID__', bot_uuid)
+            widget_js = widget_js.replace('__LANGBOT_BASE_URL__', base_url)
+            widget_js = widget_js.replace('__LANGBOT_LOCALE__', locale)
+            widget_js = widget_js.replace('__LANGBOT_BUBBLE_ICON__', bubble_icon)
+
+            response = quart.Response(widget_js, content_type='application/javascript; charset=utf-8')
+            response.headers['Cache-Control'] = 'public, max-age=300'
+            return response
+
+        @self.route('/logo', methods=['GET'], auth_type=group.AuthType.NONE)
+        async def serve_logo() -> quart.Response:
+            """Serve the LangBot logo for the embed widget."""
+            try:
+                logo_data = _get_logo_bytes()
+            except FileNotFoundError:
+                return quart.Response('', status=404)
+
+            response = quart.Response(logo_data, content_type='image/webp')
+            response.headers['Cache-Control'] = 'public, max-age=86400'
+            return response
+
+        @self.route('/<bot_uuid>/messages/<session_type>', methods=['GET'], auth_type=group.AuthType.NONE)
+        async def get_embed_messages(bot_uuid: str, session_type: str) -> str:
+            if not _is_valid_uuid(bot_uuid):
+                return self.http_status(400, -1, 'Invalid bot_uuid format')
+            runtime_bot, pipeline_uuid = self._resolve_bot(bot_uuid)
+            if runtime_bot is None:
+                return self.http_status(404, -1, 'Bot not found or not available')
+            if not await self._verify_session_token(quart.request, bot_uuid):
+                return self.http_status(403, -1, 'Unauthorized or session expired')
+            try:
+                if session_type not in ['person', 'group']:
+                    return self.http_status(400, -1, 'session_type must be person or group')
+
+                websocket_adapter = self.ap.platform_mgr.websocket_proxy_bot.adapter
+                if not websocket_adapter:
+                    return self.http_status(404, -1, 'WebSocket adapter not found')
+
+                messages = websocket_adapter.get_websocket_messages(pipeline_uuid, session_type)
+                return self.success(data={'messages': messages})
+
+            except Exception as e:
+                logger.error(f'Failed to get embed messages: {e}', exc_info=True)
+                return self.http_status(500, -1, 'Internal server error')
+
+        @self.route('/<bot_uuid>/reset/<session_type>', methods=['POST'], auth_type=group.AuthType.NONE)
+        async def reset_embed_session(bot_uuid: str, session_type: str) -> str:
+            if not _is_valid_uuid(bot_uuid):
+                return self.http_status(400, -1, 'Invalid bot_uuid format')
+            runtime_bot, pipeline_uuid = self._resolve_bot(bot_uuid)
+            if runtime_bot is None:
+                return self.http_status(404, -1, 'Bot not found or not available')
+            if not await self._verify_session_token(quart.request, bot_uuid):
+                return self.http_status(403, -1, 'Unauthorized or session expired')
+            try:
+                if session_type not in ['person', 'group']:
+                    return self.http_status(400, -1, 'session_type must be person or group')
+
+                websocket_adapter = self.ap.platform_mgr.websocket_proxy_bot.adapter
+                if not websocket_adapter:
+                    return self.http_status(404, -1, 'WebSocket adapter not found')
+
+                websocket_adapter.reset_session(pipeline_uuid, session_type)
+                return self.success(data={'message': 'Session reset successfully'})
+
+            except Exception as e:
+                logger.error(f'Failed to reset embed session: {e}', exc_info=True)
+                return self.http_status(500, -1, 'Internal server error')
+
+        @self.route('/<bot_uuid>/feedback', methods=['POST'], auth_type=group.AuthType.NONE)
+        async def submit_feedback(bot_uuid: str) -> str:
+            if not _is_valid_uuid(bot_uuid):
+                return self.http_status(400, -1, 'Invalid bot_uuid format')
+            runtime_bot, pipeline_uuid = self._resolve_bot(bot_uuid)
+            if runtime_bot is None:
+                return self.http_status(404, -1, 'Bot not found or not available')
+            if not await self._verify_session_token(quart.request, bot_uuid):
+                return self.http_status(403, -1, 'Unauthorized or session expired')
+            try:
+                data = await quart.request.get_json()
+                message_id = data.get('message_id', '')
+                feedback_type = data.get('feedback_type')
+
+                if feedback_type not in (1, 2, 3):
+                    return self.http_status(400, -1, 'feedback_type must be 1 (like), 2 (dislike), or 3 (cancel)')
+
+                feedback_id = f'embed_{uuid.uuid4().hex[:12]}'
+
+                await self.ap.monitoring_service.record_feedback(
+                    feedback_id=feedback_id,
+                    feedback_type=feedback_type,
+                    bot_id=runtime_bot.bot_entity.uuid,
+                    bot_name=runtime_bot.bot_entity.name or bot_uuid,
+                    pipeline_id=pipeline_uuid,
+                    message_id=str(message_id),
+                    platform='web_page_bot',
+                )
+
+                return self.success(data={'feedback_id': feedback_id})
+
+            except Exception as e:
+                logger.error(f'Failed to record feedback: {e}', exc_info=True)
+                return self.http_status(500, -1, 'Internal server error')
+
+        # -- Embed WebSocket endpoint ----------------------------------------
+
+        @self.quart_app.websocket(self.path + '/<bot_uuid>/ws/connect')
+        async def embed_websocket_connect(bot_uuid: str):
+            """WebSocket connection for embed widget, keyed by bot_uuid."""
+            if not _is_valid_uuid(bot_uuid):
+                await quart.websocket.send(json.dumps({'type': 'error', 'message': 'Invalid bot_uuid format'}))
+                return
+
+            runtime_bot, pipeline_uuid = self._resolve_bot(bot_uuid)
+            if runtime_bot is None:
+                await quart.websocket.send(json.dumps({'type': 'error', 'message': 'Bot not found or not available'}))
+                return
+
+            session_type = quart.websocket.args.get('session_type', 'person')
+            if session_type not in ['person', 'group']:
+                await quart.websocket.send(
+                    json.dumps({'type': 'error', 'message': 'session_type must be person or group'})
+                )
+                return
+
+            websocket_adapter = self.ap.platform_mgr.websocket_proxy_bot.adapter
+            if not websocket_adapter:
+                await quart.websocket.send(json.dumps({'type': 'error', 'message': 'WebSocket adapter not found'}))
+                return
+
+            try:
+                connection = await ws_connection_manager.add_connection(
+                    websocket=quart.websocket._get_current_object(),
+                    pipeline_uuid=pipeline_uuid,
+                    session_type=session_type,
+                    metadata={'user_agent': quart.websocket.headers.get('User-Agent', '')},
+                )
+
+                await quart.websocket.send(
+                    json.dumps(
+                        {
+                            'type': 'connected',
+                            'connection_id': connection.connection_id,
+                            'bot_uuid': bot_uuid,
+                            'session_type': session_type,
+                            'timestamp': connection.created_at.isoformat(),
+                        }
+                    )
+                )
+
+                logger.debug(
+                    f'Embed WebSocket connected: {connection.connection_id} '
+                    f'(bot={bot_uuid}, pipeline={pipeline_uuid}, session_type={session_type})'
+                )
+
+                receive_task = asyncio.create_task(self._handle_receive(connection, websocket_adapter, runtime_bot))
+                send_task = asyncio.create_task(self._handle_send(connection))
+
+                try:
+                    await asyncio.gather(receive_task, send_task)
+                except Exception as e:
+                    logger.error(f'Embed WebSocket task error: {e}')
+                finally:
+                    await ws_connection_manager.remove_connection(connection.connection_id)
+
+            except Exception as e:
+                logger.error(f'Embed WebSocket connection error: {e}', exc_info=True)
+                try:
+                    await quart.websocket.send(json.dumps({'type': 'error', 'message': 'Internal server error'}))
+                except Exception:
+                    pass
+
+    # -- WebSocket receive/send helpers --------------------------------------
+
+    async def _handle_receive(self, connection, websocket_adapter, owner_bot):
+        try:
+            while connection.is_active:
+                message = await quart.websocket.receive()
+                await ws_connection_manager.update_activity(connection.connection_id)
+
+                try:
+                    data = json.loads(message)
+                    message_type = data.get('type', 'message')
+
+                    if message_type == 'ping':
+                        await connection.send_queue.put(
+                            {'type': 'pong', 'timestamp': datetime.datetime.now().isoformat()}
+                        )
+                    elif message_type == 'message':
+                        await websocket_adapter.handle_websocket_message(connection, data, owner_bot=owner_bot)
+                    elif message_type == 'disconnect':
+                        break
+
+                except json.JSONDecodeError:
+                    await connection.send_queue.put({'type': 'error', 'message': 'Invalid JSON format'})
+
+        except Exception as e:
+            logger.error(f'Embed receive error: {e}', exc_info=True)
+        finally:
+            connection.is_active = False
+
+    async def _handle_send(self, connection):
+        try:
+            while connection.is_active:
+                try:
+                    message = await asyncio.wait_for(connection.send_queue.get(), timeout=1.0)
+                    await quart.websocket.send(json.dumps(message))
+                except asyncio.TimeoutError:
+                    continue
+        except Exception as e:
+            logger.error(f'Embed send error: {e}', exc_info=True)
+        finally:
+            connection.is_active = False

src/langbot/pkg/api/http/controller/groups/pipelines/websocket_chat.py

@@ -43,6 +43,9 @@ class WebSocketChatRouterGroup(group.RouterGroup):
                     await quart.websocket.send(json.dumps({'type': 'error', 'message': 'WebSocket adapter not found'}))
                     return
 
+                # Find the owning bot for this pipeline (e.g. a web_page_bot)
+                owner_bot = self._find_owner_bot(pipeline_uuid)
+
                 # 注册连接
                 connection = await ws_connection_manager.add_connection(
                     websocket=quart.websocket._get_current_object(),
@@ -70,7 +73,7 @@ class WebSocketChatRouterGroup(group.RouterGroup):
                 )
 
                 # 创建接收和发送任务
-                receive_task = asyncio.create_task(self._handle_receive(connection, websocket_adapter))
+                receive_task = asyncio.create_task(self._handle_receive(connection, websocket_adapter, owner_bot))
                 send_task = asyncio.create_task(self._handle_send(connection))
 
                 # 等待任务完成
@@ -178,7 +181,14 @@ class WebSocketChatRouterGroup(group.RouterGroup):
             except Exception as e:
                 return self.http_status(500, -1, f'Internal server error: {str(e)}')
 
-    async def _handle_receive(self, connection, websocket_adapter):
+    def _find_owner_bot(self, pipeline_uuid: str):
+        """Find a user-created bot (e.g. web_page_bot) that owns this pipeline."""
+        for bot in self.ap.platform_mgr.bots:
+            if bot.bot_entity.adapter == 'web_page_bot' and bot.bot_entity.use_pipeline_uuid == pipeline_uuid:
+                return bot
+        return None
+
+    async def _handle_receive(self, connection, websocket_adapter, owner_bot=None):
         """处理接收消息的任务"""
         try:
             while connection.is_active:
@@ -203,7 +213,7 @@ class WebSocketChatRouterGroup(group.RouterGroup):
                         logger.debug(f'收到消息: {data} from {connection.connection_id}')
 
                         # 处理消息（不等待响应，响应会通过broadcast异步发送）
-                        await websocket_adapter.handle_websocket_message(connection, data)
+                        await websocket_adapter.handle_websocket_message(connection, data, owner_bot=owner_bot)
 
                     elif message_type == 'disconnect':
                         # 客户端主动断开

src/langbot/pkg/api/http/controller/groups/plugins.py

@@ -7,11 +7,38 @@ import httpx
 import uuid
 import os
 from urllib.parse import urlparse
+import posixpath
 
 from .....core import taskmgr
 from .. import group
 from langbot_plugin.runtime.plugin.mgr import PluginInstallSource
 
+# Resolve the built-in page SDK JS from the langbot_plugin package
+_PAGE_SDK_PATH = None
+try:
+    import langbot_plugin.assets as _assets_pkg
+
+    _candidate = os.path.join(os.path.dirname(_assets_pkg.__file__), 'langbot-page-sdk.js')
+    if os.path.exists(_candidate):
+        _PAGE_SDK_PATH = _candidate
+except Exception:
+    pass
+
+
+def _normalize_plugin_asset_path(filepath: str) -> str | None:
+    filepath = filepath.replace('\\', '/')
+    if filepath.startswith('/'):
+        return None
+
+    normalized = posixpath.normpath(filepath)
+    if normalized == '.' or normalized.startswith('../') or normalized == '..':
+        return None
+
+    if normalized.startswith('components/pages/'):
+        return normalized
+
+    return f'assets/{normalized}'
+
 
 @group.group_class('plugins', '/api/v1/plugins')
 class PluginsRouterGroup(group.RouterGroup):
@@ -65,6 +92,15 @@ class PluginsRouterGroup(group.RouterGroup):
         return None
 
     async def initialize(self) -> None:
+        @self.route('/_sdk/page-sdk.js', methods=['GET'], auth_type=group.AuthType.NONE)
+        async def _() -> quart.Response:
+            """Serve the built-in LangBot page SDK JavaScript."""
+            if _PAGE_SDK_PATH and os.path.exists(_PAGE_SDK_PATH):
+                with open(_PAGE_SDK_PATH, 'r') as f:
+                    content = f.read()
+                return quart.Response(content, mimetype='application/javascript')
+            return quart.Response('// SDK not found', status=404, mimetype='application/javascript')
+
         @self.route('', methods=['GET'], auth_type=group.AuthType.USER_TOKEN_OR_API_KEY)
         async def _() -> str:
             plugins = await self.ap.plugin_connector.list_plugins()
@@ -173,15 +209,62 @@ class PluginsRouterGroup(group.RouterGroup):
             return quart.Response(icon_data, mimetype=mime_type)
 
         @self.route(
-            '/<author>/<plugin_name>/assets/<filepath>',
+            '/<author>/<plugin_name>/assets/<path:filepath>',
             methods=['GET'],
             auth_type=group.AuthType.NONE,
         )
         async def _(author: str, plugin_name: str, filepath: str) -> quart.Response:
-            asset_data = await self.ap.plugin_connector.get_plugin_assets(author, plugin_name, filepath)
+            asset_path = _normalize_plugin_asset_path(filepath)
+            if asset_path is None:
+                return quart.Response('Asset not found', status=404)
+
+            asset_data = await self.ap.plugin_connector.get_plugin_assets(author, plugin_name, asset_path)
+            if not asset_data.get('asset_base64'):
+                return quart.Response('Asset not found', status=404)
             asset_bytes = base64.b64decode(asset_data['asset_base64'])
             mime_type = asset_data['mime_type']
-            return quart.Response(asset_bytes, mimetype=mime_type)
+            resp = quart.Response(asset_bytes, mimetype=mime_type)
+            # CSP for HTML pages served to sandboxed iframes (opaque origin).
+            # 'self' doesn't work in sandboxed iframes — use actual server origin.
+            if mime_type and mime_type.startswith('text/html'):
+                origin = f'{quart.request.scheme}://{quart.request.host}'
+                resp.headers['Content-Security-Policy'] = (
+                    f'default-src {origin}; '
+                    f"script-src {origin} 'unsafe-inline'; "
+                    f"style-src {origin} 'unsafe-inline'; "
+                    f'img-src {origin} data:; '
+                    f'connect-src {origin}; '
+                    "frame-src 'none'; "
+                    "object-src 'none'"
+                )
+            return resp
+
+        @self.route(
+            '/<author>/<plugin_name>/page-api',
+            methods=['POST'],
+            auth_type=group.AuthType.USER_TOKEN_OR_API_KEY,
+        )
+        async def _(author: str, plugin_name: str) -> str:
+            """Forward a page API request to the plugin."""
+            data = await quart.request.json
+            if not isinstance(data, dict):
+                return self.http_status(400, -1, 'invalid request body')
+
+            page_id = data.get('page_id', '')
+            endpoint = data.get('endpoint', '')
+            method = data.get('method', 'POST')
+            body = data.get('body')
+            if not isinstance(page_id, str) or not isinstance(endpoint, str) or not isinstance(method, str):
+                return self.http_status(400, -1, 'invalid page api request')
+            if not endpoint.startswith('/') or '..' in endpoint:
+                return self.http_status(400, -1, 'invalid endpoint')
+
+            result = await self.ap.plugin_connector.handle_page_api(
+                author, plugin_name, page_id, endpoint, method.upper(), body
+            )
+            if result.get('error'):
+                return self.http_status(400, -1, result['error'])
+            return self.success(data=result.get('data'))
 
         @self.route('/github/releases', methods=['POST'], auth_type=group.AuthType.USER_TOKEN_OR_API_KEY)
         async def _() -> str:

src/langbot/pkg/api/http/controller/groups/system.py

@@ -136,6 +136,10 @@ class SystemRouterGroup(group.RouterGroup):
 
             return self.success(data=task.to_dict())
 
+        @self.route('/storage-analysis', methods=['GET'], auth_type=group.AuthType.USER_TOKEN)
+        async def _() -> str:
+            return self.success(data=await self.ap.maintenance_service.get_storage_analysis())
+
         @self.route('/debug/exec', methods=['POST'], auth_type=group.AuthType.USER_TOKEN)
         async def _() -> str:
             if not constants.debug_mode:

src/langbot/pkg/api/http/service/maintenance.py

@@ -0,0 +1,309 @@
+from __future__ import annotations
+
+import datetime
+import os
+import re
+from pathlib import Path
+from typing import Any
+
+import sqlalchemy
+
+from ....core import app
+from ....entity.persistence import bstorage as persistence_bstorage
+from ....entity.persistence import monitoring as persistence_monitoring
+
+
+LOG_FILE_PATTERN = re.compile(r'^langbot-(\d{4}-\d{2}-\d{2})\.log(?:\.\d+)?$')
+DEFAULT_UPLOAD_FILE_RETENTION_DAYS = 7
+DEFAULT_LOG_RETENTION_DAYS = 3
+
+
+class MaintenanceService:
+    """Storage maintenance and diagnostics."""
+
+    ap: app.Application
+
+    def __init__(self, ap: app.Application) -> None:
+        self.ap = ap
+
+    async def cleanup_expired_files(self) -> dict[str, int]:
+        cleanup_cfg = self.ap.instance_config.data.get('storage', {}).get('cleanup', {})
+        upload_retention_days = self._positive_int(
+            cleanup_cfg.get('uploaded_file_retention_days'),
+            DEFAULT_UPLOAD_FILE_RETENTION_DAYS,
+            'storage.cleanup.uploaded_file_retention_days',
+        )
+        log_retention_days = self._positive_int(
+            cleanup_cfg.get('log_retention_days'),
+            DEFAULT_LOG_RETENTION_DAYS,
+            'storage.cleanup.log_retention_days',
+        )
+
+        return {
+            'uploaded_files': await self._cleanup_expired_uploaded_files(upload_retention_days),
+            'log_files': self._cleanup_expired_log_files(log_retention_days),
+        }
+
+    async def get_storage_analysis(self) -> dict[str, Any]:
+        cleanup_cfg = self.ap.instance_config.data.get('storage', {}).get('cleanup', {})
+        upload_retention_days = self._positive_int(
+            cleanup_cfg.get('uploaded_file_retention_days'),
+            DEFAULT_UPLOAD_FILE_RETENTION_DAYS,
+            'storage.cleanup.uploaded_file_retention_days',
+        )
+        log_retention_days = self._positive_int(
+            cleanup_cfg.get('log_retention_days'),
+            DEFAULT_LOG_RETENTION_DAYS,
+            'storage.cleanup.log_retention_days',
+        )
+
+        database_cfg = self.ap.instance_config.data.get('database', {})
+        database_type = database_cfg.get('use', 'sqlite')
+        database_path = (
+            Path(database_cfg.get('sqlite', {}).get('path', 'data/langbot.db')) if database_type == 'sqlite' else None
+        )
+        roots: list[tuple[str, Path | None]] = [
+            ('database', database_path),
+            ('logs', Path('data/logs')),
+            ('storage', Path('data/storage')),
+            ('vector_store', Path('data/chroma')),
+            ('plugins', Path('data/plugins')),
+            ('mcp', Path('data/mcp')),
+            ('temp', Path('data/temp')),
+        ]
+
+        sections = []
+        for key, path in roots:
+            sections.append(
+                {
+                    'key': key,
+                    'path': str(path) if path else '',
+                    'exists': path.exists() if path else False,
+                    'size_bytes': self._path_size(path) if path else 0,
+                    'file_count': self._file_count(path) if path else 0,
+                }
+            )
+
+        monitoring_counts = await self._monitoring_counts()
+        binary_storage = await self._binary_storage_stats()
+        upload_candidates = await self._expired_uploaded_candidates(upload_retention_days)
+        log_candidates = self._expired_log_candidates(log_retention_days)
+
+        return {
+            'generated_at': datetime.datetime.now(datetime.timezone.utc).isoformat(),
+            'cleanup_policy': {
+                'uploaded_file_retention_days': upload_retention_days,
+                'log_retention_days': log_retention_days,
+            },
+            'sections': sections,
+            'database': {
+                'type': database_type,
+                'monitoring_counts': monitoring_counts,
+                'binary_storage': binary_storage,
+            },
+            'cleanup_candidates': {
+                'uploaded_files': upload_candidates,
+                'log_files': log_candidates,
+            },
+            'tasks': self.ap.task_mgr.get_stats() if self.ap.task_mgr else {},
+        }
+
+    async def _cleanup_expired_uploaded_files(self, retention_days: int) -> int:
+        provider = self.ap.storage_mgr.storage_provider
+        provider_name = provider.__class__.__name__
+        if provider_name == 'LocalStorageProvider':
+            candidates = self._expired_local_upload_candidates(retention_days, include_paths=True)
+            deleted = 0
+            for item in candidates:
+                try:
+                    os.remove(item['path'])
+                    deleted += 1
+                except FileNotFoundError:
+                    pass
+                except Exception as e:
+                    self.ap.logger.warning(f'Failed to delete expired uploaded file {item["key"]}: {e}')
+            return deleted
+
+        if provider_name == 'S3StorageProvider':
+            return await self._cleanup_expired_s3_uploaded_files(retention_days)
+
+        return 0
+
+    async def _expired_uploaded_candidates(self, retention_days: int) -> list[dict[str, Any]]:
+        provider_name = self.ap.storage_mgr.storage_provider.__class__.__name__
+        if provider_name == 'LocalStorageProvider':
+            return self._expired_local_upload_candidates(retention_days)
+        if provider_name == 'S3StorageProvider':
+            return await self._expired_s3_upload_candidates(retention_days)
+        return []
+
+    async def _cleanup_expired_s3_uploaded_files(self, retention_days: int) -> int:
+        provider = self.ap.storage_mgr.storage_provider
+        candidates = await self._expired_s3_upload_candidates(retention_days)
+        deleted = 0
+        for item in candidates:
+            await provider.delete(item['key'])
+            deleted += 1
+        return deleted
+
+    async def _expired_s3_upload_candidates(self, retention_days: int) -> list[dict[str, Any]]:
+        provider = self.ap.storage_mgr.storage_provider
+        cutoff = datetime.datetime.now(datetime.timezone.utc) - datetime.timedelta(days=retention_days)
+        candidates = []
+        paginator = provider.s3_client.get_paginator('list_objects_v2')
+
+        for page in paginator.paginate(Bucket=provider.bucket_name):
+            for obj in page.get('Contents', []):
+                key = obj.get('Key', '')
+                last_modified = obj.get('LastModified')
+                if not self._is_uploaded_file_key(key):
+                    continue
+                if last_modified and last_modified < cutoff:
+                    candidates.append(
+                        {
+                            'key': key,
+                            'size_bytes': obj.get('Size', 0),
+                            'modified_at': last_modified.isoformat(),
+                        }
+                    )
+
+        return candidates
+
+    def _cleanup_expired_log_files(self, retention_days: int) -> int:
+        deleted = 0
+        for item in self._expired_log_candidates(retention_days, include_paths=True):
+            try:
+                os.remove(item['path'])
+                deleted += 1
+            except FileNotFoundError:
+                pass
+            except Exception as e:
+                self.ap.logger.warning(f'Failed to delete expired log file {item["name"]}: {e}')
+        return deleted
+
+    def _expired_local_upload_candidates(
+        self, retention_days: int, include_paths: bool = False
+    ) -> list[dict[str, Any]]:
+        storage_root = Path('data/storage')
+        if not storage_root.exists():
+            return []
+
+        cutoff = datetime.datetime.now().timestamp() - retention_days * 86400
+        candidates = []
+        for entry in storage_root.iterdir():
+            if not entry.is_file() or not self._is_uploaded_file_key(entry.name):
+                continue
+            stat = entry.stat()
+            if stat.st_mtime >= cutoff:
+                continue
+            item = {
+                'key': entry.name,
+                'size_bytes': stat.st_size,
+                'modified_at': datetime.datetime.fromtimestamp(stat.st_mtime, datetime.timezone.utc).isoformat(),
+            }
+            if include_paths:
+                item['path'] = str(entry)
+            candidates.append(item)
+        return candidates
+
+    def _expired_log_candidates(self, retention_days: int, include_paths: bool = False) -> list[dict[str, Any]]:
+        log_root = Path('data/logs')
+        if not log_root.exists():
+            return []
+
+        cutoff_date = datetime.date.today() - datetime.timedelta(days=retention_days - 1)
+        candidates = []
+        for entry in log_root.iterdir():
+            if not entry.is_file():
+                continue
+            match = LOG_FILE_PATTERN.match(entry.name)
+            if not match:
+                continue
+            try:
+                file_date = datetime.date.fromisoformat(match.group(1))
+            except ValueError:
+                continue
+            if file_date >= cutoff_date:
+                continue
+            stat = entry.stat()
+            item = {
+                'name': entry.name,
+                'date': file_date.isoformat(),
+                'size_bytes': stat.st_size,
+            }
+            if include_paths:
+                item['path'] = str(entry)
+            candidates.append(item)
+        return candidates
+
+    def _is_uploaded_file_key(self, key: str) -> bool:
+        return '/' not in key and not key.startswith('plugin_config_')
+
+    async def _monitoring_counts(self) -> dict[str, int]:
+        tables = {
+            'messages': persistence_monitoring.MonitoringMessage.id,
+            'llm_calls': persistence_monitoring.MonitoringLLMCall.id,
+            'embedding_calls': persistence_monitoring.MonitoringEmbeddingCall.id,
+            'errors': persistence_monitoring.MonitoringError.id,
+            'sessions': persistence_monitoring.MonitoringSession.session_id,
+            'feedback': persistence_monitoring.MonitoringFeedback.id,
+        }
+        counts: dict[str, int] = {}
+        for key, column in tables.items():
+            result = await self.ap.persistence_mgr.execute_async(sqlalchemy.select(sqlalchemy.func.count(column)))
+            counts[key] = result.scalar() or 0
+        return counts
+
+    async def _binary_storage_stats(self) -> dict[str, Any]:
+        count_result = await self.ap.persistence_mgr.execute_async(
+            sqlalchemy.select(sqlalchemy.func.count(persistence_bstorage.BinaryStorage.unique_key))
+        )
+        size_bytes = None
+        try:
+            size_result = await self.ap.persistence_mgr.execute_async(
+                sqlalchemy.select(sqlalchemy.func.sum(sqlalchemy.func.length(persistence_bstorage.BinaryStorage.value)))
+            )
+            size_bytes = size_result.scalar() or 0
+        except Exception as e:
+            self.ap.logger.warning(f'Failed to estimate binary storage size: {e}')
+
+        return {
+            'count': count_result.scalar() or 0,
+            'size_bytes': size_bytes,
+        }
+
+    def _path_size(self, path: Path) -> int:
+        if not path.exists():
+            return 0
+        if path.is_file():
+            return path.stat().st_size
+        total = 0
+        for root, _, files in os.walk(path):
+            for file_name in files:
+                file_path = Path(root) / file_name
+                try:
+                    total += file_path.stat().st_size
+                except FileNotFoundError:
+                    pass
+        return total
+
+    def _file_count(self, path: Path) -> int:
+        if not path.exists():
+            return 0
+        if path.is_file():
+            return 1
+        count = 0
+        for _, _, files in os.walk(path):
+            count += len(files)
+        return count
+
+    def _positive_int(self, value: Any, default: int, name: str) -> int:
+        try:
+            parsed = int(value)
+        except (TypeError, ValueError):
+            self.ap.logger.warning(f'Invalid {name}: {value!r}, using {default}')
+            return default
+        if parsed < 1:
+            self.ap.logger.warning(f'Invalid {name}: {value!r}, using {default}')
+            return default
+        return parsed

src/langbot/pkg/api/http/service/model.py

@@ -23,6 +23,17 @@ def _parse_provider_api_keys(provider_dict: dict) -> dict:
     return provider_dict
 
 
+def _runtime_model_data(model_uuid: str, model_data: dict) -> dict:
+    """Return model data for rebuilding runtime models after an update.
+
+    Update payloads intentionally omit uuid before writing to the database.
+    Runtime model entities still need the stable uuid so pipeline configs can
+    resolve the in-memory model immediately after an edit, without requiring a
+    process restart.
+    """
+    return {**model_data, 'uuid': model_uuid}
+
+
 class LLMModelsService:
     ap: app.Application
 
@@ -173,7 +184,7 @@ class LLMModelsService:
             raise Exception('provider not found')
 
         runtime_llm_model = await self.ap.model_mgr.load_llm_model_with_provider(
-            persistence_model.LLMModel(**model_data),
+            persistence_model.LLMModel(**_runtime_model_data(model_uuid, model_data)),
             runtime_provider,
         )
         self.ap.model_mgr.llm_models.append(runtime_llm_model)
@@ -334,7 +345,7 @@ class EmbeddingModelsService:
             raise Exception('provider not found')
 
         runtime_embedding_model = await self.ap.model_mgr.load_embedding_model_with_provider(
-            persistence_model.EmbeddingModel(**model_data),
+            persistence_model.EmbeddingModel(**_runtime_model_data(model_uuid, model_data)),
             runtime_provider,
         )
         self.ap.model_mgr.embedding_models.append(runtime_embedding_model)
@@ -492,7 +503,7 @@ class RerankModelsService:
             raise Exception('provider not found')
 
         runtime_rerank_model = await self.ap.model_mgr.load_rerank_model_with_provider(
-            persistence_model.RerankModel(**model_data),
+            persistence_model.RerankModel(**_runtime_model_data(model_uuid, model_data)),
             runtime_provider,
         )
         self.ap.model_mgr.rerank_models.append(runtime_rerank_model)

src/langbot/pkg/api/http/service/monitoring.py

@@ -18,55 +18,119 @@ class MonitoringService:
 
     # ========== Cleanup Methods ==========
 
-    async def cleanup_expired_records(self, retention_days: int) -> dict[str, int]:
+    async def cleanup_expired_records(self, retention_days: int, batch_size: int = 1000) -> dict[str, int]:
         """Delete monitoring records older than the specified retention period.
 
         Args:
             retention_days: Number of days to retain records.
+            batch_size: Maximum rows to delete per table batch.
 
         Returns:
             A dict mapping table name to the number of deleted rows.
         """
+        if retention_days < 1:
+            raise ValueError('retention_days must be >= 1')
+        if batch_size < 1:
+            raise ValueError('batch_size must be >= 1')
+
         cutoff = datetime.datetime.now(datetime.timezone.utc).replace(tzinfo=None) - datetime.timedelta(
             days=retention_days
         )
 
-        tables_and_columns: list[tuple[str, type, sqlalchemy.Column]] = [
+        tables_and_columns: list[tuple[str, type, sqlalchemy.Column, sqlalchemy.Column]] = [
             (
                 'monitoring_messages',
                 persistence_monitoring.MonitoringMessage,
                 persistence_monitoring.MonitoringMessage.timestamp,
+                persistence_monitoring.MonitoringMessage.id,
             ),
             (
                 'monitoring_llm_calls',
                 persistence_monitoring.MonitoringLLMCall,
                 persistence_monitoring.MonitoringLLMCall.timestamp,
+                persistence_monitoring.MonitoringLLMCall.id,
             ),
             (
                 'monitoring_embedding_calls',
                 persistence_monitoring.MonitoringEmbeddingCall,
                 persistence_monitoring.MonitoringEmbeddingCall.timestamp,
+                persistence_monitoring.MonitoringEmbeddingCall.id,
             ),
             (
                 'monitoring_errors',
                 persistence_monitoring.MonitoringError,
                 persistence_monitoring.MonitoringError.timestamp,
+                persistence_monitoring.MonitoringError.id,
             ),
             (
                 'monitoring_sessions',
                 persistence_monitoring.MonitoringSession,
                 persistence_monitoring.MonitoringSession.last_activity,
+                persistence_monitoring.MonitoringSession.session_id,
+            ),
+            (
+                'monitoring_feedback',
+                persistence_monitoring.MonitoringFeedback,
+                persistence_monitoring.MonitoringFeedback.timestamp,
+                persistence_monitoring.MonitoringFeedback.id,
             ),
         ]
 
         deleted_counts: dict[str, int] = {}
 
-        for table_name, model_cls, ts_column in tables_and_columns:
-            result = await self.ap.persistence_mgr.execute_async(sqlalchemy.delete(model_cls).where(ts_column < cutoff))
-            deleted_counts[table_name] = result.rowcount
+        for table_name, model_cls, ts_column, pk_column in tables_and_columns:
+            deleted_counts[table_name] = await self._delete_expired_in_batches(
+                model_cls=model_cls,
+                ts_column=ts_column,
+                pk_column=pk_column,
+                cutoff=cutoff,
+                batch_size=batch_size,
+            )
+
+        if sum(deleted_counts.values()) > 0:
+            await self._release_sqlite_space()
 
         return deleted_counts
 
+    async def _delete_expired_in_batches(
+        self,
+        model_cls: type,
+        ts_column: sqlalchemy.Column,
+        pk_column: sqlalchemy.Column,
+        cutoff: datetime.datetime,
+        batch_size: int,
+    ) -> int:
+        deleted_total = 0
+
+        while True:
+            select_result = await self.ap.persistence_mgr.execute_async(
+                sqlalchemy.select(pk_column).where(ts_column < cutoff).limit(batch_size)
+            )
+            pk_values = list(select_result.scalars().all())
+            if not pk_values:
+                break
+
+            delete_result = await self.ap.persistence_mgr.execute_async(
+                sqlalchemy.delete(model_cls).where(pk_column.in_(pk_values))
+            )
+            deleted = delete_result.rowcount or 0
+            deleted_total += deleted
+
+            if len(pk_values) < batch_size:
+                break
+
+        return deleted_total
+
+    async def _release_sqlite_space(self) -> None:
+        database_type = self.ap.instance_config.data.get('database', {}).get('use', 'sqlite')
+        if database_type != 'sqlite':
+            return
+
+        async with self.ap.persistence_mgr.get_db_engine().connect() as conn:
+            autocommit_conn = await conn.execution_options(isolation_level='AUTOCOMMIT')
+            await autocommit_conn.execute(sqlalchemy.text('PRAGMA wal_checkpoint(TRUNCATE)'))
+            await autocommit_conn.execute(sqlalchemy.text('VACUUM'))
+
     # ========== Recording Methods ==========
 
     async def record_message(

src/langbot/pkg/api/http/service/space.py

@@ -179,7 +179,7 @@ class SpaceService:
         space_url = space_config['url']
 
         session = httpclient.get_session()
-        async with session.get(f'{space_url}/api/v1/models') as response:
+        async with session.get(f'{space_url}/api/v1/models', params={'page_size': 100}) as response:
             if response.status != 200:
                 raise ValueError(f'Failed to get models: {await response.text()}')
             data = await response.json()

src/langbot/pkg/core/app.py

@@ -33,6 +33,7 @@ from ..api.http.service import apikey as apikey_service
 from ..api.http.service import webhook as webhook_service
 from ..api.http.service import monitoring as monitoring_service
 from ..api.http.service import skill as skill_service
+from ..api.http.service import maintenance as maintenance_service
 from ..discover import engine as discover_engine
 from ..storage import mgr as storagemgr
 from ..utils import logcache
@@ -162,6 +163,8 @@ class Application:
 
     skill_mgr: skill_mgr.SkillManager = None
 
+    maintenance_service: maintenance_service.MaintenanceService = None
+
     def __init__(self):
         pass
 
@@ -201,14 +204,30 @@ class Application:
             monitoring_cfg = self.instance_config.data.get('monitoring', {})
             auto_cleanup_cfg = monitoring_cfg.get('auto_cleanup', {})
             if auto_cleanup_cfg.get('enabled', True):
-                retention_days = auto_cleanup_cfg.get('retention_days', 30)
-                check_interval_hours = auto_cleanup_cfg.get('check_interval_hours', 1)
+                retention_days = self._get_positive_int_config(
+                    auto_cleanup_cfg.get('retention_days', 30),
+                    default=30,
+                    name='monitoring.auto_cleanup.retention_days',
+                )
+                delete_batch_size = self._get_positive_int_config(
+                    auto_cleanup_cfg.get('delete_batch_size', 1000),
+                    default=1000,
+                    name='monitoring.auto_cleanup.delete_batch_size',
+                )
+                check_interval_hours = self._get_positive_float_config(
+                    auto_cleanup_cfg.get('check_interval_hours', 1),
+                    default=1,
+                    name='monitoring.auto_cleanup.check_interval_hours',
+                )
 
                 async def monitoring_cleanup_loop():
                     check_interval_seconds = check_interval_hours * 3600
                     while True:
                         try:
-                            deleted = await self.monitoring_service.cleanup_expired_records(retention_days)
+                            deleted = await self.monitoring_service.cleanup_expired_records(
+                                retention_days,
+                                batch_size=delete_batch_size,
+                            )
                             total_deleted = sum(deleted.values())
                             if total_deleted > 0:
                                 self.logger.info(
@@ -225,6 +244,33 @@ class Application:
                     scopes=[core_entities.LifecycleControlScope.APPLICATION],
                 )
 
+            # Start storage/log maintenance task if enabled
+            storage_cleanup_cfg = self.instance_config.data.get('storage', {}).get('cleanup', {})
+            if storage_cleanup_cfg.get('enabled', True) and self.maintenance_service is not None:
+                check_interval_hours = self._get_positive_float_config(
+                    storage_cleanup_cfg.get('check_interval_hours', 1),
+                    default=1,
+                    name='storage.cleanup.check_interval_hours',
+                )
+
+                async def storage_cleanup_loop():
+                    check_interval_seconds = check_interval_hours * 3600
+                    while True:
+                        try:
+                            deleted = await self.maintenance_service.cleanup_expired_files()
+                            total_deleted = sum(deleted.values())
+                            if total_deleted > 0:
+                                self.logger.info(f'Storage maintenance: deleted expired files: {deleted}')
+                        except Exception as e:
+                            self.logger.warning(f'Storage maintenance error: {e}')
+                        await asyncio.sleep(check_interval_seconds)
+
+                self.task_mgr.create_task(
+                    storage_cleanup_loop(),
+                    name='storage-maintenance',
+                    scopes=[core_entities.LifecycleControlScope.APPLICATION],
+                )
+
             self.task_mgr.create_task(
                 never_ending(),
                 name='never-ending-task',
@@ -239,6 +285,28 @@ class Application:
             self.logger.error(f'Application runtime fatal exception: {e}')
             self.logger.debug(f'Traceback: {traceback.format_exc()}')
 
+    def _get_positive_int_config(self, value, default: int, name: str) -> int:
+        try:
+            parsed = int(value)
+        except (TypeError, ValueError):
+            self.logger.warning(f'Invalid {name}: {value!r}, using {default}')
+            return default
+        if parsed < 1:
+            self.logger.warning(f'Invalid {name}: {value!r}, using {default}')
+            return default
+        return parsed
+
+    def _get_positive_float_config(self, value, default: float, name: str) -> float:
+        try:
+            parsed = float(value)
+        except (TypeError, ValueError):
+            self.logger.warning(f'Invalid {name}: {value!r}, using {default}')
+            return default
+        if parsed <= 0:
+            self.logger.warning(f'Invalid {name}: {value!r}, using {default}')
+            return default
+        return parsed
+
     def dispose(self):
         if self.plugin_connector is not None:
             self.plugin_connector.dispose()

src/langbot/pkg/core/stages/build_app.py

@@ -31,6 +31,7 @@ from ...api.http.service import webhook as webhook_service
 from ...api.http.service import monitoring as monitoring_service
 from ...api.http.service import skill as skill_service
 from ...skill import manager as skill_mgr
+from ...api.http.service import maintenance as maintenance_service
 from ...discover import engine as discover_engine
 from ...storage import mgr as storagemgr
 from ...utils import logcache
@@ -182,6 +183,9 @@ class BuildAppStage(stage.BootingStage):
         monitoring_service_inst = monitoring_service.MonitoringService(ap)
         ap.monitoring_service = monitoring_service_inst
 
+        maintenance_service_inst = maintenance_service.MaintenanceService(ap)
+        ap.maintenance_service = maintenance_service_inst
+
         async def runtime_disconnect_callback(connector: plugin_connector.PluginRuntimeConnector) -> None:
             await asyncio.sleep(3)
             await plugin_connector_inst.initialize()

src/langbot/pkg/core/taskmgr.py

@@ -3,6 +3,7 @@ from __future__ import annotations
 import asyncio
 import typing
 import datetime
+import time
 
 from . import app
 from . import entities as core_entities
@@ -119,6 +120,7 @@ class TaskWrapper:
         self.label = label if label != '' else name
         self.task.set_name(name)
         self.scopes = scopes
+        self.created_at = time.time()
 
     def assume_exception(self):
         try:
@@ -154,6 +156,7 @@ class TaskWrapper:
             'name': self.name,
             'label': self.label,
             'scopes': [scope.value for scope in self.scopes],
+            'created_at': self.created_at,
             'task_context': self.task_context.to_dict(),
             'runtime': {
                 'done': self.task.done(),
@@ -193,6 +196,8 @@ class AsyncTaskManager:
     ) -> TaskWrapper:
         wrapper = TaskWrapper(self.ap, coro, task_type, kind, name, label, context, scopes)
         self.tasks.append(wrapper)
+        wrapper.task.add_done_callback(lambda _: self._prune_completed_tasks())
+        self._prune_completed_tasks()
         return wrapper
 
     def create_user_task(
@@ -226,6 +231,15 @@ class AsyncTaskManager:
             'id_index': TaskWrapper._id_index,
         }
 
+    def get_stats(self) -> dict:
+        completed = sum(1 for t in self.tasks if t.task.done())
+        return {
+            'total': len(self.tasks),
+            'running': len(self.tasks) - completed,
+            'completed': completed,
+            'id_index': TaskWrapper._id_index,
+        }
+
     def get_task_by_id(self, id: int) -> TaskWrapper | None:
         for t in self.tasks:
             if t.id == id:
@@ -243,3 +257,27 @@ class AsyncTaskManager:
                 if not wrapper.task.done():
                     wrapper.task.cancel()
                 return
+
+    def _prune_completed_tasks(self):
+        completed_limit = (
+            self.ap.instance_config.data.get('system', {})
+            .get('task_retention', {})
+            .get(
+                'completed_limit',
+                200,
+            )
+        )
+        try:
+            completed_limit = int(completed_limit)
+        except (TypeError, ValueError):
+            completed_limit = 200
+        if completed_limit < 1:
+            completed_limit = 1
+
+        completed_tasks = [wrapper for wrapper in self.tasks if wrapper.task.done()]
+        overflow = len(completed_tasks) - completed_limit
+        if overflow <= 0:
+            return
+
+        remove_ids = {wrapper.id for wrapper in completed_tasks[:overflow]}
+        self.tasks = [wrapper for wrapper in self.tasks if wrapper.id not in remove_ids]

src/langbot/pkg/pipeline/preproc/preproc.py

@@ -78,6 +78,27 @@ class PreProcessor(stage.PipelineStage):
             query.bot_uuid,
         )
 
+        # Expire externally managed conversation ids after the conversation has
+        # been idle for longer than the configured conversation expire time.
+        # The idle window is measured from the last preprocess/update time, not
+        # from the conversation creation time.
+        conversation_expire_time = query.pipeline_config.get('ai', {}).get('runner', {}).get('expire-time', None)
+        now = datetime.datetime.now()
+        if conversation_expire_time is not None and conversation_expire_time > 0:
+            last_update_time = getattr(conversation, 'update_time', None) or getattr(conversation, 'create_time', None)
+            if last_update_time is not None:
+                conversation_idle_time = now.timestamp() - last_update_time.timestamp()
+                if conversation_idle_time > conversation_expire_time:
+                    self.ap.logger.info(
+                        f'Conversation({query.query_id}) is expired (idle: {conversation_idle_time}s), create new conversation'
+                    )
+                    conversation.uuid = None
+
+        # Treat every preprocess pass as a conversation activity update. This
+        # makes future expiry checks use the latest incoming message/preprocess
+        # time instead of the first message/creation time.
+        conversation.update_time = now
+
         # 设置query
         query.session = session
         query.prompt = conversation.prompt.copy()
@@ -171,7 +192,10 @@ class PreProcessor(stage.PipelineStage):
                 elif me.url:
                     content_list.append(provider_message.ContentElement.from_file_url(me.url, 'voice'))
             elif isinstance(me, platform_message.File):
-                content_list.append(provider_message.ContentElement.from_file_url(me.url, me.name))
+                if me.base64:
+                    content_list.append(provider_message.ContentElement.from_file_base64(me.base64, me.name))
+                elif me.url:
+                    content_list.append(provider_message.ContentElement.from_file_url(me.url, me.name))
             elif isinstance(me, platform_message.Quote) and quote_msg:
                 for msg in me.origin:
                     if isinstance(msg, platform_message.Plain):
@@ -183,7 +207,10 @@ class PreProcessor(stage.PipelineStage):
                             if msg.base64 is not None:
                                 content_list.append(provider_message.ContentElement.from_image_base64(msg.base64))
                     elif isinstance(msg, platform_message.File):
-                        content_list.append(provider_message.ContentElement.from_file_url(msg.url, msg.name))
+                        if msg.base64:
+                            content_list.append(provider_message.ContentElement.from_file_base64(msg.base64, msg.name))
+                        elif msg.url:
+                            content_list.append(provider_message.ContentElement.from_file_url(msg.url, msg.name))
                     elif isinstance(msg, platform_message.Voice):
                         if msg.base64:
                             content_list.append(

src/langbot/pkg/platform/botmgr.py

@@ -523,7 +523,7 @@ class PlatformManager:
         return None
 
     async def remove_bot(self, bot_uuid: str):
-        for bot in self.bots:
+        for bot in self.bots[:]:
             if bot.bot_entity.uuid == bot_uuid:
                 if bot.enable:
                     await bot.shutdown()

src/langbot/pkg/platform/sources/matrix.py

@@ -0,0 +1,693 @@
+from __future__ import annotations
+
+import typing
+import asyncio
+import traceback
+import base64
+import json
+
+import nio
+
+from langbot.pkg.utils import httpclient
+import langbot_plugin.api.definition.abstract.platform.adapter as abstract_platform_adapter
+import langbot_plugin.api.entities.builtin.platform.message as platform_message
+import langbot_plugin.api.entities.builtin.platform.events as platform_events
+import langbot_plugin.api.entities.builtin.platform.entities as platform_entities
+import langbot_plugin.api.definition.abstract.platform.event_logger as abstract_platform_logger
+
+
+class MatrixMessageConverter(abstract_platform_adapter.AbstractMessageConverter):
+    @staticmethod
+    async def yiri2target(message_chain: platform_message.MessageChain, client: nio.AsyncClient) -> list[dict]:
+        components = []
+        for component in message_chain:
+            if isinstance(component, platform_message.Plain):
+                components.append({'type': 'text', 'text': component.text})
+            elif isinstance(component, platform_message.Image):
+                image_bytes = None
+                if component.base64:
+                    b64_data = component.base64
+                    if ';base64,' in b64_data:
+                        b64_data = b64_data.split(';base64,', 1)[1]
+                    image_bytes = base64.b64decode(b64_data)
+                elif component.url:
+                    session = httpclient.get_session()
+                    async with session.get(component.url) as response:
+                        image_bytes = await response.read()
+                elif component.path:
+                    with open(component.path, 'rb') as f:
+                        image_bytes = f.read()
+                if image_bytes:
+                    resp = await client.upload(image_bytes, content_type='image/png')
+                    if isinstance(resp, nio.UploadResponse):
+                        components.append({'type': 'image', 'mxc_url': resp.content_uri})
+            elif isinstance(component, platform_message.File):
+                file_bytes = None
+                if component.base64:
+                    b64_data = component.base64
+                    if ';base64,' in b64_data:
+                        b64_data = b64_data.split(';base64,', 1)[1]
+                    file_bytes = base64.b64decode(b64_data)
+                elif component.url:
+                    session = httpclient.get_session()
+                    async with session.get(component.url) as response:
+                        file_bytes = await response.read()
+                elif component.path:
+                    with open(component.path, 'rb') as f:
+                        file_bytes = f.read()
+                if file_bytes:
+                    file_name = getattr(component, 'name', None) or 'file'
+                    resp = await client.upload(file_bytes, content_type='application/octet-stream', filename=file_name)
+                    if isinstance(resp, nio.UploadResponse):
+                        components.append(
+                            {
+                                'type': 'file',
+                                'mxc_url': resp.content_uri,
+                                'filename': file_name,
+                                'size': len(file_bytes),
+                            }
+                        )
+            elif isinstance(component, platform_message.Forward):
+                for node in component.node_list:
+                    components.extend(await MatrixMessageConverter.yiri2target(node.message_chain, client))
+        return components
+
+    @staticmethod
+    async def target2yiri(event: nio.RoomMessageText | nio.RoomMessageImage, client: nio.AsyncClient, bot_user_id: str):
+        message_components = []
+
+        if isinstance(event, nio.RoomMessageText):
+            text = event.body
+            if bot_user_id and bot_user_id in text:
+                message_components.append(platform_message.At(target=bot_user_id))
+                text = text.replace(bot_user_id, '').strip()
+            message_components.append(platform_message.Plain(text=text))
+
+        elif isinstance(event, nio.RoomMessageImage):
+            mxc_url = event.url
+            if mxc_url:
+                resp = await client.download(mxc_url)
+                if isinstance(resp, nio.DownloadResponse):
+                    b64 = base64.b64encode(resp.body).decode('utf-8')
+                    content_type = resp.content_type or 'image/png'
+                    message_components.append(platform_message.Image(base64=f'data:{content_type};base64,{b64}'))
+            if event.body:
+                message_components.append(platform_message.Plain(text=event.body))
+
+        return platform_message.MessageChain(message_components)
+
+
+class MatrixEventConverter(abstract_platform_adapter.AbstractEventConverter):
+    @staticmethod
+    async def yiri2target(event: platform_events.MessageEvent):
+        return event.source_platform_object
+
+    @staticmethod
+    async def target2yiri(
+        event: nio.RoomMessageText | nio.RoomMessageImage,
+        room: nio.MatrixRoom,
+        client: nio.AsyncClient,
+        bot_user_id: str,
+        bridge_user_ids: list[str] | None = None,
+    ):
+        lb_message = await MatrixMessageConverter.target2yiri(event, client, bot_user_id)
+
+        # Determine if this is a direct/private chat or a group chat.
+        # Exclude bot itself and bridge bots, count remaining real users.
+        exclude_ids = {bot_user_id}
+        if bridge_user_ids:
+            exclude_ids.update(bridge_user_ids)
+        real_users = [uid for uid in room.users if uid not in exclude_ids]
+        is_direct = len(real_users) <= 1
+
+        if is_direct:
+            return platform_events.FriendMessage(
+                sender=platform_entities.Friend(
+                    id=event.sender,
+                    nickname=room.user_name(event.sender) or event.sender,
+                    remark='',
+                ),
+                message_chain=lb_message,
+                time=event.server_timestamp / 1000.0,
+                source_platform_object={'event': event, 'room': room},
+            )
+        else:
+            return platform_events.GroupMessage(
+                sender=platform_entities.GroupMember(
+                    id=event.sender,
+                    member_name=room.user_name(event.sender) or event.sender,
+                    permission=platform_entities.Permission.Member,
+                    group=platform_entities.Group(
+                        id=room.room_id,
+                        name=room.display_name or room.room_id,
+                        permission=platform_entities.Permission.Member,
+                    ),
+                    special_title='',
+                ),
+                message_chain=lb_message,
+                time=event.server_timestamp / 1000.0,
+                source_platform_object={'event': event, 'room': room},
+            )
+
+
+class BridgeState:
+    """Per-bridge runtime state."""
+
+    def __init__(self, user_id: str, login_command: str, logout_command: str, success_keyword: str, check_command: str):
+        self.user_id = user_id
+        self.login_command = login_command
+        self.logout_command = logout_command
+        self.success_keyword = success_keyword
+        self.check_command = check_command or login_command
+        self.logged_in = False
+        self.dm_room_id: str | None = None
+        self.login_task: asyncio.Task | None = None
+        self.check_task: asyncio.Task | None = None
+        self.check_responded = False
+
+
+class MatrixAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter):
+    client: typing.Any = None
+    message_converter: MatrixMessageConverter = MatrixMessageConverter()
+    event_converter: MatrixEventConverter = MatrixEventConverter()
+    config: dict
+    listeners: typing.Dict[typing.Type[platform_events.Event], typing.Callable] = {}
+    _running: bool = False
+    _initial_sync_done: bool = False
+    _bridges: list = []
+
+    def __init__(self, config: dict, logger: abstract_platform_logger.AbstractEventLogger):
+        homeserver_url = config.get('homeserver_url', '')
+        access_token = config.get('access_token', '')
+        user_id = config.get('user_id', '')
+
+        if not homeserver_url or not access_token or not user_id:
+            raise ValueError('Matrix 机器人缺少必要配置项 (homeserver_url, user_id, access_token)')
+
+        client = nio.AsyncClient(homeserver_url, user_id)
+        client.access_token = access_token
+        client.user_id = user_id
+
+        super().__init__(
+            config=config,
+            logger=logger,
+            bot_account_id=user_id,
+            client=client,
+            listeners={},
+        )
+
+        # Parse bridges config AFTER super().__init__() to avoid Pydantic resetting _bridges
+        self._bridges = []
+        bridges_raw = config.get('bridges', '')
+        if bridges_raw:
+            if isinstance(bridges_raw, str):
+                try:
+                    bridges_list = json.loads(bridges_raw)
+                except (json.JSONDecodeError, TypeError) as e:
+                    raise ValueError(f'bridges 配置 JSON 解析失败: {e}\n原始值: {bridges_raw}')
+            else:
+                bridges_list = bridges_raw
+            for b in bridges_list:
+                if isinstance(b, dict) and b.get('user_id', '').strip():
+                    self._bridges.append(
+                        BridgeState(
+                            user_id=b['user_id'].strip(),
+                            login_command=b.get('login_command', '').strip(),
+                            logout_command=b.get('logout_command', '').strip(),
+                            success_keyword=b.get('success_keyword', 'Successfully logged in').strip(),
+                            check_command=b.get('check_command', '').strip(),
+                        )
+                    )
+        # Backward compatibility: old single-bridge config
+        if not self._bridges:
+            old_user_id = config.get('bridge_user_id', '').strip()
+            old_command = config.get('bridge_login_command', '').strip()
+            old_keyword = config.get('bridge_login_success_keyword', 'Successfully logged in').strip()
+            old_check = config.get('bridge_check_command', '').strip()
+            old_logout = config.get('bridge_logout_command', '').strip()
+            if old_user_id:
+                self._bridges.append(
+                    BridgeState(
+                        user_id=old_user_id,
+                        login_command=old_command,
+                        logout_command=old_logout,
+                        success_keyword=old_keyword,
+                        check_command=old_check,
+                    )
+                )
+
+    async def send_message(self, target_type: str, target_id: str, message: platform_message.MessageChain):
+        components = await self.message_converter.yiri2target(message, self.client)
+        for component in components:
+            await self._send_component(target_id, component)
+
+    async def reply_message(
+        self,
+        message_source: platform_events.MessageEvent,
+        message: platform_message.MessageChain,
+        quote_origin: bool = False,
+    ):
+        source_obj = message_source.source_platform_object
+        room_id = source_obj['room'].room_id
+        components = await self.message_converter.yiri2target(message, self.client)
+
+        for component in components:
+            if quote_origin:
+                original_event = source_obj['event']
+                await self._send_component(room_id, component, reply_to=original_event.event_id)
+            else:
+                await self._send_component(room_id, component)
+
+    async def _send_component(self, room_id: str, component: dict, reply_to: str | None = None):
+        content = {}
+        if component['type'] == 'text':
+            content = {
+                'msgtype': 'm.text',
+                'body': component['text'],
+            }
+        elif component['type'] == 'image':
+            content = {
+                'msgtype': 'm.image',
+                'body': 'image.png',
+                'url': component['mxc_url'],
+            }
+        elif component['type'] == 'file':
+            content = {
+                'msgtype': 'm.file',
+                'body': component.get('filename', 'file'),
+                'url': component['mxc_url'],
+                'info': {'size': component.get('size', 0)},
+            }
+
+        if reply_to and content:
+            content['m.relates_to'] = {
+                'm.in_reply_to': {'event_id': reply_to},
+            }
+
+        if content:
+            await self.client.room_send(
+                room_id=room_id,
+                message_type='m.room.message',
+                content=content,
+            )
+
+    def register_listener(
+        self,
+        event_type: typing.Type[platform_events.Event],
+        callback: typing.Callable[
+            [platform_events.Event, abstract_platform_adapter.AbstractMessagePlatformAdapter], None
+        ],
+    ):
+        self.listeners[event_type] = callback
+
+    async def run_async(self):
+        self._running = True
+        await self.logger.info('Matrix adapter starting...')
+
+        # Debug: log bridge parsing result
+        bridges_raw = self.config.get('bridges', '')
+        await self.logger.debug(f'bridges config raw: type={type(bridges_raw).__name__}, repr={repr(bridges_raw)}')
+        await self.logger.debug(
+            f'parsed _bridges count: {len(self._bridges)}, ids: {[b.user_id for b in self._bridges]}'
+        )
+
+        # Collect all bridge bot user IDs for filtering
+        _bridge_user_ids = [b.user_id for b in self._bridges]
+        _bridge_user_id_set = set(_bridge_user_ids)
+
+        # Auto-join invited rooms
+        async def on_invite(room: nio.MatrixRoom, event: nio.InviteMemberEvent):
+            if event.membership == 'invite' and event.state_key == self.client.user_id:
+                await self.client.join(room.room_id)
+                await self.logger.debug(f'Auto-joined room: {room.display_name or room.room_id}')
+
+        self.client.add_event_callback(on_invite, nio.InviteMemberEvent)
+
+        # Handle text messages
+        async def on_message(room: nio.MatrixRoom, event: nio.RoomMessageText):
+            if not self._initial_sync_done:
+                return
+            if event.sender == self.client.user_id:
+                return
+
+            # Admin commands (from any non-bridge user)
+            if event.sender not in _bridge_user_id_set:
+                body = (event.body or '').strip()
+                if body == '!relogin':
+                    await self._handle_relogin_command(room.room_id)
+                    return
+                if body == '!status':
+                    await self._handle_status_command(room.room_id)
+                    return
+
+            if event.sender in _bridge_user_id_set:
+                return
+            try:
+                lb_event = await self.event_converter.target2yiri(
+                    event, room, self.client, self.bot_account_id, _bridge_user_ids
+                )
+                if type(lb_event) in self.listeners:
+                    result = self.listeners[type(lb_event)](lb_event, self)
+                    if asyncio.iscoroutine(result):
+                        await result
+            except Exception:
+                await self.logger.error(f'Error handling Matrix message: {traceback.format_exc()}')
+
+        self.client.add_event_callback(on_message, nio.RoomMessageText)
+
+        # Handle image messages
+        async def on_image(room: nio.MatrixRoom, event: nio.RoomMessageImage):
+            if not self._initial_sync_done:
+                return
+            if event.sender == self.client.user_id:
+                return
+            if event.sender in _bridge_user_id_set:
+                return
+            try:
+                lb_event = await self.event_converter.target2yiri(
+                    event, room, self.client, self.bot_account_id, _bridge_user_ids
+                )
+                if type(lb_event) in self.listeners:
+                    result = self.listeners[type(lb_event)](lb_event, self)
+                    if asyncio.iscoroutine(result):
+                        await result
+            except Exception:
+                await self.logger.error(f'Error handling Matrix image: {traceback.format_exc()}')
+
+        self.client.add_event_callback(on_image, nio.RoomMessageImage)
+
+        # Set up bridge-specific callbacks for each bridge
+        _disconnect_keywords = ['disconnected', 'logged out', 'connection lost', 'session expired', 'token expired']
+
+        for bridge in self._bridges:
+            # Login success detection (notice)
+            async def on_bridge_notice(room: nio.MatrixRoom, event: nio.RoomMessageNotice, _b=bridge):
+                if not self._initial_sync_done:
+                    return
+                if event.sender != _b.user_id:
+                    return
+                _b.check_responded = True
+                if _b.success_keyword in (event.body or ''):
+                    _b.logged_in = True
+                    await self.logger.info(f'[{_b.user_id}] Bridge login succeeded.')
+                # Disconnect detection
+                body_lower = (event.body or '').lower()
+                for kw in _disconnect_keywords:
+                    if kw in body_lower and _b.logged_in:
+                        _b.logged_in = False
+                        await self.logger.info(f'[{_b.user_id}] Bridge 账号掉线 (检测到: "{kw}"), 将自动重新登录...')
+                        self._restart_bridge_login(_b)
+                        break
+
+            self.client.add_event_callback(on_bridge_notice, nio.RoomMessageNotice)
+
+            # Login success + disconnect detection (text)
+            async def on_bridge_text(room: nio.MatrixRoom, event: nio.RoomMessageText, _b=bridge):
+                if not self._initial_sync_done:
+                    return
+                if event.sender != _b.user_id:
+                    return
+                _b.check_responded = True
+                if _b.success_keyword in (event.body or ''):
+                    _b.logged_in = True
+                    await self.logger.info(f'[{_b.user_id}] Bridge login succeeded.')
+                body_lower = (event.body or '').lower()
+                for kw in _disconnect_keywords:
+                    if kw in body_lower and _b.logged_in:
+                        _b.logged_in = False
+                        await self.logger.info(f'[{_b.user_id}] Bridge 账号掉线 (检测到: "{kw}"), 将自动重新登录...')
+                        self._restart_bridge_login(_b)
+                        break
+
+            self.client.add_event_callback(on_bridge_text, nio.RoomMessageText)
+
+            # QR code image forwarding
+            async def on_bridge_image(room: nio.MatrixRoom, event: nio.RoomMessageImage, _b=bridge):
+                if not self._initial_sync_done:
+                    return
+                if event.sender != _b.user_id:
+                    return
+                mxc_url = event.url
+                if not mxc_url:
+                    return
+                try:
+                    resp = await self.client.download(mxc_url)
+                    if isinstance(resp, nio.DownloadResponse):
+                        b64 = base64.b64encode(resp.body).decode('utf-8')
+                        content_type = resp.content_type or 'image/png'
+                        await self.logger.info(
+                            f'[{_b.user_id}] Bridge 发送了二维码，请扫码登录:',
+                            images=[platform_message.Image(base64=f'data:{content_type};base64,{b64}')],
+                        )
+                except Exception:
+                    await self.logger.error(
+                        f'[{_b.user_id}] Failed to download bridge QR image: {traceback.format_exc()}'
+                    )
+
+            self.client.add_event_callback(on_bridge_image, nio.RoomMessageImage)
+
+        await self.logger.debug('Matrix adapter running, starting sync...')
+
+        # Initial sync to skip old messages
+        resp = await self.client.sync(timeout=10000)
+        if isinstance(resp, nio.SyncResponse):
+            await self.logger.debug(f'Matrix initial sync done, next_batch: {resp.next_batch}')
+        self._initial_sync_done = True
+
+        # Display account info
+        display_name = self.client.user_id
+        try:
+            profile_resp = await self.client.get_displayname(self.client.user_id)
+            if isinstance(profile_resp, nio.ProfileGetDisplayNameResponse) and profile_resp.displayname:
+                display_name = profile_resp.displayname
+        except Exception:
+            pass
+        joined_rooms = len(self.client.rooms)
+        homeserver = self.config.get('homeserver_url', '')
+        bridge_info = ''
+        if self._bridges:
+            bridge_names = ', '.join(b.user_id for b in self._bridges)
+            bridge_info = f' | 桥接: [{bridge_names}]'
+        await self.logger.info(
+            f'Matrix 账号: {display_name} ({self.client.user_id}) | '
+            f'服务器: {homeserver} | 已加入 {joined_rooms} 个房间{bridge_info}'
+        )
+
+        # Start bridge login and status check tasks for each bridge
+        for bridge in self._bridges:
+            if bridge.login_command:
+                await self.logger.info(
+                    f'[{bridge.user_id}] Bridge login enabled (命令: "{bridge.login_command}", '
+                    f'关键词: "{bridge.success_keyword}")'
+                )
+                bridge.login_task = asyncio.create_task(self._periodic_bridge_login(bridge))
+                bridge.check_task = asyncio.create_task(self._periodic_bridge_check(bridge))
+            else:
+                await self.logger.debug(f'[{bridge.user_id}] Bridge login not configured (no login_command)')
+
+        # Main sync loop
+        while self._running:
+            try:
+                await self.client.sync(timeout=30000)
+            except Exception:
+                await self.logger.error(f'Matrix sync error: {traceback.format_exc()}')
+                await asyncio.sleep(5)
+
+    async def _periodic_bridge_login(self, bridge: BridgeState):
+        """Periodically send login command to a bridge bot until login succeeds."""
+        try:
+            await self.logger.info(f'[{bridge.user_id}] Bridge login task started, looking for DM room...')
+            dm_room_id = None
+            for room_id, room in self.client.rooms.items():
+                if room.member_count == 2 and bridge.user_id in [m for m in room.users]:
+                    dm_room_id = room_id
+                    break
+
+            if not dm_room_id:
+                resp = await self.client.room_create(
+                    is_direct=True,
+                    invite=[bridge.user_id],
+                )
+                if isinstance(resp, nio.RoomCreateResponse):
+                    dm_room_id = resp.room_id
+                    await self.logger.debug(f'[{bridge.user_id}] Created DM room: {dm_room_id}')
+                else:
+                    await self.logger.error(f'[{bridge.user_id}] Failed to create DM room: {resp}')
+                    return
+
+            bridge.dm_room_id = dm_room_id
+
+            # Force logout first on every adapter start
+            logout_cmd = bridge.logout_command or bridge.login_command.replace('login', 'logout')
+            await self.logger.info(f'[{bridge.user_id}] 强制登出: "{logout_cmd}"')
+            await self.client.room_send(
+                room_id=dm_room_id,
+                message_type='m.room.message',
+                content={'msgtype': 'm.text', 'body': logout_cmd},
+            )
+            await asyncio.sleep(3)
+
+            while self._running and not bridge.logged_in:
+                await self.logger.debug(f'[{bridge.user_id}] Sending "{bridge.login_command}" in room {dm_room_id}')
+                await self.client.room_send(
+                    room_id=dm_room_id,
+                    message_type='m.room.message',
+                    content={'msgtype': 'm.text', 'body': bridge.login_command},
+                )
+                for _ in range(60):
+                    if not self._running or bridge.logged_in:
+                        break
+                    await asyncio.sleep(1)
+
+            if bridge.logged_in:
+                await self.logger.debug(f'[{bridge.user_id}] Bridge login confirmed, periodic login stopped.')
+        except asyncio.CancelledError:
+            pass
+        except Exception:
+            await self.logger.error(f'[{bridge.user_id}] Bridge periodic login error: {traceback.format_exc()}')
+
+    def _restart_bridge_login(self, bridge: BridgeState):
+        """Cancel existing login task and start a new one."""
+        if bridge.login_task and not bridge.login_task.done():
+            bridge.login_task.cancel()
+        bridge.login_task = asyncio.create_task(self._periodic_bridge_login(bridge))
+
+    async def _periodic_bridge_check(self, bridge: BridgeState):
+        """Periodically check a bridge's login status."""
+        try:
+            while self._running and not bridge.logged_in:
+                await asyncio.sleep(5)
+
+            check_interval = 300  # 5 minutes
+            response_timeout = 30
+            await self.logger.debug(f'[{bridge.user_id}] Bridge status check started (interval: {check_interval}s)')
+
+            while self._running:
+                for _ in range(check_interval):
+                    if not self._running:
+                        return
+                    await asyncio.sleep(1)
+
+                if not bridge.logged_in or not bridge.dm_room_id:
+                    continue
+
+                try:
+                    bridge.check_responded = False
+                    await self.client.room_send(
+                        room_id=bridge.dm_room_id,
+                        message_type='m.room.message',
+                        content={'msgtype': 'm.text', 'body': bridge.check_command},
+                    )
+                    await self.logger.debug(f'[{bridge.user_id}] Bridge status check: sent "{bridge.check_command}"')
+
+                    for _ in range(response_timeout):
+                        if bridge.check_responded or not self._running:
+                            break
+                        await asyncio.sleep(1)
+
+                    if bridge.check_responded:
+                        await self.logger.debug(f'[{bridge.user_id}] Bridge status check: OK')
+                    else:
+                        await self.logger.info(
+                            f'[{bridge.user_id}] Bridge status check: 无响应, 可能已掉线, 尝试重新登录...'
+                        )
+                        bridge.logged_in = False
+                        self._restart_bridge_login(bridge)
+                except Exception:
+                    await self.logger.error(f'[{bridge.user_id}] Bridge status check error: {traceback.format_exc()}')
+        except asyncio.CancelledError:
+            pass
+        except Exception:
+            await self.logger.error(f'[{bridge.user_id}] Bridge status check fatal error: {traceback.format_exc()}')
+
+    async def _handle_relogin_command(self, room_id: str):
+        """Handle !relogin command: logout then re-login all bridges."""
+        if not self._bridges:
+            await self.client.room_send(
+                room_id=room_id,
+                message_type='m.room.message',
+                content={'msgtype': 'm.text', 'body': '没有配置任何桥。'},
+            )
+            return
+
+        lines = ['开始重新登录所有桥...']
+        for bridge in self._bridges:
+            if not bridge.login_command or not bridge.dm_room_id:
+                lines.append(f'[{bridge.user_id}] 跳过（未配置登录命令或无DM房间）')
+                continue
+
+                # Use configured logout command, fallback to deriving from login command
+                logout_cmd = bridge.logout_command or bridge.login_command.replace('login', 'logout')
+            lines.append(f'[{bridge.user_id}] 发送 "{logout_cmd}"...')
+
+            # Cancel existing tasks
+            if bridge.login_task and not bridge.login_task.done():
+                bridge.login_task.cancel()
+            if bridge.check_task and not bridge.check_task.done():
+                bridge.check_task.cancel()
+
+            # Send logout
+            try:
+                await self.client.room_send(
+                    room_id=bridge.dm_room_id,
+                    message_type='m.room.message',
+                    content={'msgtype': 'm.text', 'body': logout_cmd},
+                )
+            except Exception as e:
+                lines.append(f'[{bridge.user_id}] logout 发送失败: {e}')
+
+            await asyncio.sleep(2)
+
+            # Reset state and restart login
+            bridge.logged_in = False
+            self._restart_bridge_login(bridge)
+            lines.append(f'[{bridge.user_id}] 已触发重新登录')
+
+        await self.client.room_send(
+            room_id=room_id,
+            message_type='m.room.message',
+            content={'msgtype': 'm.text', 'body': '\n'.join(lines)},
+        )
+
+    async def _handle_status_command(self, room_id: str):
+        """Handle !status command: show bridge states."""
+        if not self._bridges:
+            await self.client.room_send(
+                room_id=room_id,
+                message_type='m.room.message',
+                content={'msgtype': 'm.text', 'body': '没有配置任何桥。'},
+            )
+            return
+
+        lines = ['桥状态:']
+        for bridge in self._bridges:
+            status = '已登录 ✓' if bridge.logged_in else '未登录 ✗'
+            dm = bridge.dm_room_id or '无'
+            lines.append(f'• {bridge.user_id}: {status} (DM: {dm})')
+        await self.client.room_send(
+            room_id=room_id,
+            message_type='m.room.message',
+            content={'msgtype': 'm.text', 'body': '\n'.join(lines)},
+        )
+
+    async def kill(self) -> bool:
+        self._running = False
+        for bridge in self._bridges:
+            if bridge.login_task and not bridge.login_task.done():
+                bridge.login_task.cancel()
+            if bridge.check_task and not bridge.check_task.done():
+                bridge.check_task.cancel()
+        if self.client:
+            await self.client.close()
+        await self.logger.debug('Matrix adapter stopped')
+        return True
+
+    async def unregister_listener(
+        self,
+        event_type: typing.Type[platform_events.Event],
+        callback: typing.Callable[
+            [platform_events.Event, abstract_platform_adapter.AbstractMessagePlatformAdapter], None
+        ],
+    ):
+        if event_type in self.listeners:
+            del self.listeners[event_type]

src/langbot/pkg/platform/sources/matrix.yaml

@@ -0,0 +1,123 @@
+apiVersion: v1
+kind: MessagePlatformAdapter
+metadata:
+  name: matrix
+  label:
+    en_US: Matrix
+    zh_Hans: Matrix
+    zh_Hant: Matrix
+    ja_JP: Matrix
+    th_TH: Matrix
+    vi_VN: Matrix
+    es_ES: Matrix
+  description:
+    en_US: Matrix protocol adapter, supports self-hosted Synapse servers and any Matrix-compatible homeserver
+    zh_Hans: Matrix 协议适配器，支持自建 Synapse 服务器及任何 Matrix 兼容的 Homeserver
+    zh_Hant: Matrix 協議適配器，支持自建 Synapse 伺服器及任何 Matrix 相容的 Homeserver
+    ja_JP: Matrix プロトコルアダプター、セルフホストの Synapse サーバーおよび Matrix 互換のホームサーバーをサポート
+    th_TH: อะแดปเตอร์โปรโตคอล Matrix รองรับเซิร์ฟเวอร์ Synapse ที่โฮสต์เองและ Homeserver ที่เข้ากันได้กับ Matrix
+    vi_VN: Bộ điều hợp giao thức Matrix, hỗ trợ máy chủ Synapse tự lưu trữ và bất kỳ Homeserver tương thích Matrix nào
+    es_ES: Adaptador del protocolo Matrix, compatible con servidores Synapse autoalojados y cualquier Homeserver compatible con Matrix
+  icon: matrix.png
+spec:
+  categories:
+    - global
+    - protocol
+  config:
+    - name: homeserver_url
+      label:
+        en_US: Homeserver URL
+        zh_Hans: Homeserver 地址
+        zh_Hant: Homeserver 地址
+        ja_JP: Homeserver URL
+        th_TH: URL ของ Homeserver
+        vi_VN: URL Homeserver
+        es_ES: URL del Homeserver
+      description:
+        en_US: "The URL of the Matrix homeserver, e.g. http://localhost:8008"
+        zh_Hans: "Matrix Homeserver 的地址，例如 http://localhost:8008"
+      type: string
+      required: true
+      default: "http://localhost:8008"
+    - name: user_id
+      label:
+        en_US: Bot User ID
+        zh_Hans: 机器人用户 ID
+        zh_Hant: 機器人用戶 ID
+        ja_JP: ボットユーザー ID
+        th_TH: ID ผู้ใช้บอท
+        vi_VN: ID người dùng bot
+        es_ES: ID de usuario del bot
+      description:
+        en_US: "The full Matrix user ID, e.g. @bot:localhost"
+        zh_Hans: "完整的 Matrix 用户 ID，例如 @bot:localhost"
+      type: string
+      required: true
+      default: "@langbot:localhost"
+    - name: access_token
+      label:
+        en_US: Access Token
+        zh_Hans: 访问令牌
+        zh_Hant: 訪問令牌
+        ja_JP: アクセストークン
+        th_TH: โทเค็นการเข้าถึง
+        vi_VN: Mã truy cập
+        es_ES: Token de acceso
+      description:
+        en_US: "Access token obtained by logging in via the Matrix client API"
+        zh_Hans: "通过 Matrix Client API 登录获取的访问令牌"
+      type: string
+      required: true
+      default: ""
+    - name: bridge_user_id
+      label:
+        en_US: Bridge Bot User ID (single bridge, legacy)
+        zh_Hans: 桥机器人用户 ID（单桥兼容）
+      description:
+        en_US: "Single bridge bot user ID (legacy). Prefer 'bridges' for multi-bridge. e.g. @discordbot:localhost"
+        zh_Hans: "单桥机器人用户 ID（旧格式兼容）。推荐使用 bridges 配置多桥。例如 @discordbot:localhost"
+      type: string
+      required: false
+      default: ""
+    - name: bridge_login_command
+      label:
+        en_US: Bridge Login Command (single bridge, legacy)
+        zh_Hans: 桥登录命令（单桥兼容）
+      description:
+        en_US: "Login command for single bridge (legacy). e.g. !discord login"
+        zh_Hans: "单桥登录命令（旧格式兼容）。例如 !discord login"
+      type: string
+      required: false
+      default: ""
+    - name: bridge_login_success_keyword
+      label:
+        en_US: Bridge Login Success Keyword (single bridge, legacy)
+        zh_Hans: 桥登录成功关键词（单桥兼容）
+      description:
+        en_US: "Success keyword for single bridge (legacy). e.g. Successfully logged in"
+        zh_Hans: "单桥登录成功关键词（旧格式兼容）。例如 Successfully logged in"
+      type: string
+      required: false
+      default: "Successfully logged in"
+    - name: bridges
+      label:
+        en_US: Bridges Config (Multi-bridge)
+        zh_Hans: 桥配置（多桥）
+      description:
+        en_US: >
+          JSON array of bridge configs. Each bridge: {"user_id": "@bot:host", "login_command": "!xx login",
+          "success_keyword": "logged in", "check_command": "!xx ping"}.
+          Example: [{"user_id":"@discordbot:localhost","login_command":"!discord login","success_keyword":"logged in"},
+          {"user_id":"@telegrambot:localhost","login_command":"!tg login","success_keyword":"logged in"}]
+        zh_Hans: >
+          JSON 数组格式的多桥配置。每个桥: {"user_id": "@bot:host", "login_command": "!xx login",
+          "success_keyword": "logged in", "check_command": "!xx ping"}。
+          示例: [{"user_id":"@discordbot:localhost","login_command":"!discord login","success_keyword":"logged in"},
+          {"user_id":"@telegrambot:localhost","login_command":"!tg login","success_keyword":"logged in"}]
+      type: string
+      required: false
+      default: ""
+execution:
+  python:
+    path: ./matrix.py
+    attr: MatrixAdapter

src/langbot/pkg/platform/sources/qqofficial.py

@@ -1,9 +1,11 @@
 from __future__ import annotations
 import typing
+import re
 import asyncio
 import traceback
 
 import datetime
+import time
 
 import langbot_plugin.api.definition.abstract.platform.adapter as abstract_platform_adapter
 import langbot_plugin.api.entities.builtin.platform.message as platform_message
@@ -15,11 +17,25 @@ from ...utils import image
 from ..logger import EventLogger
 
 
+def _is_base64_data(value: str) -> bool:
+    """Check if a string contains base64-encoded data rather than a URL."""
+    if not value:
+        return False
+    # data: URI scheme (e.g. data:image/png;base64,xxx)
+    if value.startswith('data:'):
+        return True
+    # Only treat as base64 if it doesn't look like a URL/path and has valid base64 chars
+    if value.startswith(('http://', 'https://', '/', './', '../')):
+        return False
+    # Check if it looks like base64 (only valid chars, reasonable length)
+    return bool(re.fullmatch(r'[A-Za-z0-9+/=\s]{20,}', value))
+
+
 class QQOfficialMessageConverter(abstract_platform_adapter.AbstractMessageConverter):
     @staticmethod
     async def yiri2target(message_chain: platform_message.MessageChain):
+        """将 LangBot 消息链转换为 QQ Official 消息格式列表。"""
         content_list = []
-        # 只实现了发文字
         for msg in message_chain:
             if type(msg) is platform_message.Plain:
                 content_list.append(
@@ -28,6 +44,49 @@ class QQOfficialMessageConverter(abstract_platform_adapter.AbstractMessageConver
                         'content': msg.text,
                     }
                 )
+            elif type(msg) is platform_message.Image:
+                url = msg.url if hasattr(msg, 'url') and msg.url else None
+                b64 = msg.base64 if hasattr(msg, 'base64') and msg.base64 else None
+                # Some plugins (e.g. MimoTTS) store base64 data in the url field
+                if url and not b64 and _is_base64_data(url):
+                    b64 = url
+                    url = None
+                content_list.append(
+                    {
+                        'type': 'image',
+                        'url': url,
+                        'base64': b64,
+                    }
+                )
+            elif type(msg) is platform_message.Voice:
+                url = msg.url if hasattr(msg, 'url') and msg.url else None
+                b64 = msg.base64 if hasattr(msg, 'base64') and msg.base64 else None
+                # Some plugins (e.g. MimoTTS) store base64 data in the url field
+                if url and not b64 and _is_base64_data(url):
+                    b64 = url
+                    url = None
+                content_list.append(
+                    {
+                        'type': 'voice',
+                        'url': url,
+                        'base64': b64,
+                    }
+                )
+            elif type(msg) is platform_message.File:
+                url = msg.url if hasattr(msg, 'url') and msg.url else None
+                b64 = msg.base64 if hasattr(msg, 'base64') and msg.base64 else None
+                # Some plugins store base64 data in the url field
+                if url and not b64 and _is_base64_data(url):
+                    b64 = url
+                    url = None
+                content_list.append(
+                    {
+                        'type': 'file',
+                        'url': url,
+                        'base64': b64,
+                        'name': msg.name if hasattr(msg, 'name') else 'file',
+                    }
+                )
 
         return content_list
 
@@ -129,12 +188,19 @@ class QQOfficialAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter
     config: dict
     bot_account_id: str
     bot_uuid: str = None
+    enable_webhook: bool = False
     message_converter: QQOfficialMessageConverter = QQOfficialMessageConverter()
     event_converter: QQOfficialEventConverter = QQOfficialEventConverter()
 
     def __init__(self, config: dict, logger: EventLogger):
+        enable_webhook = config.get('enable-webhook', False)
+
         bot = QQOfficialClient(
-            app_id=config['appid'], secret=config['secret'], token=config['token'], logger=logger, unified_mode=True
+            app_id=config['appid'],
+            secret=config['secret'],
+            token=config['token'],
+            logger=logger,
+            unified_mode=enable_webhook,
         )
 
         super().__init__(
@@ -144,6 +210,13 @@ class QQOfficialAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter
             bot_account_id=config['appid'],
         )
 
+        self.enable_webhook = enable_webhook
+        self._ws_task: asyncio.Task = None
+        self._stream_ctx: dict = {}
+        self._stream_ctx_ts: dict[str, float] = {}
+        self._fallback_text: dict[str, str] = {}
+        self._fallback_text_ts: dict[str, float] = {}
+
     async def reply_message(
         self,
         message_source: platform_events.MessageEvent,
@@ -156,28 +229,18 @@ class QQOfficialAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter
 
         content_list = await QQOfficialMessageConverter.yiri2target(message)
 
-        # 私聊消息
+        # 确定 target_type 和 target_id
+        target_type = None
+        target_id = None
+
         if qq_official_event.t == 'C2C_MESSAGE_CREATE':
-            for content in content_list:
-                if content['type'] == 'text':
-                    await self.bot.send_private_text_msg(
-                        qq_official_event.user_openid,
-                        content['content'],
-                        qq_official_event.d_id,
-                    )
-
-        # 群聊消息
-        if qq_official_event.t == 'GROUP_AT_MESSAGE_CREATE':
-            for content in content_list:
-                if content['type'] == 'text':
-                    await self.bot.send_group_text_msg(
-                        qq_official_event.group_openid,
-                        content['content'],
-                        qq_official_event.d_id,
-                    )
-
-        # 频道群聊
-        if qq_official_event.t == 'AT_MESSAGE_CREATE':
+            target_type = 'c2c'
+            target_id = qq_official_event.user_openid
+        elif qq_official_event.t == 'GROUP_AT_MESSAGE_CREATE':
+            target_type = 'group'
+            target_id = qq_official_event.group_openid
+        elif qq_official_event.t == 'AT_MESSAGE_CREATE':
+            # 频道群聊使用频道 API，暂不支持富媒体
             for content in content_list:
                 if content['type'] == 'text':
                     await self.bot.send_channle_group_text_msg(
@@ -185,9 +248,9 @@ class QQOfficialAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter
                         content['content'],
                         qq_official_event.d_id,
                     )
-
-        # 频道私聊
-        if qq_official_event.t == 'DIRECT_MESSAGE_CREATE':
+            return
+        elif qq_official_event.t == 'DIRECT_MESSAGE_CREATE':
+            # 频道私聊使用频道 API，暂不支持富媒体
             for content in content_list:
                 if content['type'] == 'text':
                     await self.bot.send_channle_private_text_msg(
@@ -195,6 +258,63 @@ class QQOfficialAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter
                         content['content'],
                         qq_official_event.d_id,
                     )
+            return
+
+        # C2C 和群聊：支持文字 + 富媒体
+        for content in content_list:
+            content_type = content.get('type', 'text')
+
+            if content_type == 'text':
+                if target_type == 'c2c':
+                    await self.bot.send_private_text_msg(
+                        target_id,
+                        content['content'],
+                        qq_official_event.d_id,
+                    )
+                elif target_type == 'group':
+                    await self.bot.send_group_text_msg(
+                        target_id,
+                        content['content'],
+                        qq_official_event.d_id,
+                    )
+
+            elif content_type == 'image':
+                file_url = content.get('url')
+                file_data = content.get('base64')
+                if file_url or file_data:
+                    await self.bot.send_image_msg(
+                        target_type,
+                        target_id,
+                        file_url=file_url,
+                        file_data=file_data,
+                        msg_id=qq_official_event.d_id,
+                    )
+
+            elif content_type == 'voice':
+                file_url = content.get('url')
+                file_data = content.get('base64')
+                if file_url or file_data:
+                    await self.bot.send_voice_msg(
+                        target_type,
+                        target_id,
+                        file_url=file_url,
+                        file_data=file_data,
+                        msg_id=qq_official_event.d_id,
+                    )
+
+            elif content_type == 'file':
+                file_url = content.get('url')
+                file_data = content.get('base64')
+                file_name = content.get('name', 'file')
+                if file_url or file_data:
+                    await self.bot.send_file_msg(
+                        target_type,
+                        target_id,
+                        file_url=file_url,
+                        file_data=file_data,
+                        file_name=file_name,
+                        msg_id=qq_official_event.d_id,
+                    )
 
     async def send_message(self, target_type: str, target_id: str, message: platform_message.MessageChain):
         pass
@@ -238,17 +358,196 @@ class QQOfficialAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter
         return await self.bot.handle_unified_webhook(request)
 
     async def run_async(self):
-        # 统一 webhook 模式下，不启动独立的 Quart 应用
-        # 保持运行但不启动独立端口
+        if not self.enable_webhook:
+            await self._run_websocket()
+        else:
+            # 统一 webhook 模式下，不启动独立的 Quart 应用
+            async def keep_alive():
+                while True:
+                    await asyncio.sleep(1)
 
-        async def keep_alive():
-            while True:
-                await asyncio.sleep(1)
+            await keep_alive()
 
-        await keep_alive()
+    async def _run_websocket(self):
+        """以 WebSocket 模式运行网关连接"""
+        await self.logger.info('QQ Official adapter starting in WebSocket mode')
+
+        async def on_ready():
+            await self.logger.info('QQ Official WebSocket connected and ready')
+
+        async def on_event(event_type: str, event_data: dict):
+            # 只处理消息事件，忽略 READY/RESUMED 等系统事件
+            message_event_types = {
+                'C2C_MESSAGE_CREATE',
+                'DIRECT_MESSAGE_CREATE',
+                'GROUP_AT_MESSAGE_CREATE',
+                'AT_MESSAGE_CREATE',
+            }
+            if event_type not in message_event_types:
+                return
+            if not isinstance(event_data, dict):
+                await self.logger.warning(f'Event data is not dict, skipping: {event_type} -> {type(event_data)}')
+                return
+            await self.logger.info(f'Processing message event: {event_type}')
+            # 构造与 webhook 模式相同的 payload 结构
+            payload = {'t': event_type, 'd': event_data}
+            message_data = await self.bot.get_message(payload)
+            if message_data:
+                event = QQOfficialEvent.from_payload(message_data)
+                await self.bot._handle_message(event)
+
+        async def on_error(error: Exception):
+            await self.logger.error(f'WebSocket error: {error}')
+            await self.logger.error(f'QQ Official WebSocket error: {error}')
+
+        self._ws_task = asyncio.create_task(self.bot.connect_gateway_loop(on_event, on_ready, on_error))
+        try:
+            await self._ws_task
+        except asyncio.CancelledError:
+            pass
 
     async def kill(self) -> bool:
-        return False
+        if self._ws_task:
+            self._ws_task.cancel()
+            try:
+                await self._ws_task
+            except asyncio.CancelledError:
+                pass
+            self._ws_task = None
+        return True
+
+    # --------------- 流式输出 ---------------
+
+    _STREAM_CTX_TTL = 300  # seconds
+
+    async def _cleanup_stale_streams(self):
+        """Remove stream contexts that have not been updated for more than _STREAM_CTX_TTL seconds."""
+        now = time.time()
+        stale_ids = [mid for mid, ts in self._stream_ctx_ts.items() if now - ts > self._STREAM_CTX_TTL]
+        for mid in stale_ids:
+            self._stream_ctx.pop(mid, None)
+            self._stream_ctx_ts.pop(mid, None)
+        stale_fb = [mid for mid, ts in self._fallback_text_ts.items() if now - ts > self._STREAM_CTX_TTL]
+        for mid in stale_fb:
+            self._fallback_text.pop(mid, None)
+            self._fallback_text_ts.pop(mid, None)
+        if stale_ids or stale_fb:
+            await self.logger.debug(f'Cleaned up {len(stale_ids)} stream contexts, {len(stale_fb)} fallback texts')
+
+    async def is_stream_output_supported(self) -> bool:
+        return self.config.get('enable-stream-reply', False)
+
+    async def create_message_card(self, message_id: str, event: platform_events.MessageEvent) -> bool:
+        source = event.source_platform_object
+        # Streaming API only supports C2C private chat
+        if source.t != 'C2C_MESSAGE_CREATE':
+            return False
+
+        ctx = {
+            'user_openid': source.user_openid,
+            'msg_id': source.d_id,
+            'stream_msg_id': None,
+            'msg_seq': 1,
+            'index': 0,
+            'last_update_ts': 0,
+            'accumulated_text': '',
+            'sent_length': 0,
+            'session_started': False,
+        }
+
+        self._stream_ctx[message_id] = ctx
+        self._stream_ctx_ts[message_id] = time.time()
+        return True
+
+    async def reply_message_chunk(
+        self,
+        message_source: platform_events.MessageEvent,
+        bot_message: dict,
+        message: platform_message.MessageChain,
+        quote_origin: bool = False,
+        is_final: bool = False,
+    ):
+        # Periodically clean up stale stream contexts
+        await self._cleanup_stale_streams()
+        # 提取纯文本内容（当前 chunk 的文本）
+        text_parts = []
+        for msg in message:
+            if type(msg) is platform_message.Plain:
+                text_parts.append(msg.text)
+        chunk_text = '\n\n'.join(text_parts)
+
+        message_id = (
+            bot_message.get('resp_message_id')
+            if isinstance(bot_message, dict)
+            else getattr(bot_message, 'resp_message_id', None)
+        )
+        if not message_id or message_id not in self._stream_ctx:
+            # 非流式场景（如群聊不支持流式），累积文本后一次性回复
+            if chunk_text:
+                self._fallback_text[message_id] = self._fallback_text.get(message_id, '') + chunk_text
+                self._fallback_text_ts[message_id] = time.time()
+            if is_final:
+                full_text = self._fallback_text.pop(message_id, '')
+                if full_text:
+                    fallback_msg = platform_message.MessageChain([platform_message.Plain(text=full_text)])
+                    await self.reply_message(message_source, fallback_msg, quote_origin)
+            return
+
+        ctx = self._stream_ctx[message_id]
+
+        # 累积文本
+        if chunk_text:
+            ctx['accumulated_text'] += chunk_text
+
+        # 未启动会话时，等第一个有内容的 chunk 来建立会话
+        if not ctx['session_started']:
+            if not ctx['accumulated_text']:
+                return
+            # 用第一个 chunk 的文本建立会话（不发 "..." 避免污染前缀）
+            ctx['session_started'] = True
+
+        # 发送内容 = 全量累积文本
+        # QQ API 的 replace 模式不允许修改已下发前缀，所以：
+        # - 首次：发送全部文本，建立会话
+        # - 后续：只能发送新增部分（append 行为）
+        content_to_send = ctx['accumulated_text'][ctx['sent_length'] :]
+        if not content_to_send and not is_final:
+            return
+
+        input_state = 10 if is_final else 1
+
+        # Rate limiting: skip non-final updates if last update was <0.5s ago
+        now = time.time()
+        if not is_final and (now - ctx['last_update_ts']) < 0.5:
+            return
+        ctx['last_update_ts'] = now
+
+        try:
+            resp = await self.bot.send_stream_msg(
+                user_openid=ctx['user_openid'],
+                content=content_to_send,
+                event_id=ctx['msg_id'],
+                msg_id=ctx['msg_id'],
+                msg_seq=ctx['msg_seq'],
+                index=ctx['index'],
+                stream_msg_id=ctx['stream_msg_id'],
+                input_state=input_state,
+            )
+            if resp and isinstance(resp, dict):
+                new_stream_id = resp.get('id')
+                if new_stream_id:
+                    ctx['stream_msg_id'] = new_stream_id
+            ctx['sent_length'] = len(ctx['accumulated_text'])
+            ctx['index'] += 1
+            await self.logger.debug(
+                f'[QQ Official] 流式 chunk 已发送, index={ctx["index"]}, '
+                f'sent_len={ctx["sent_length"]}, is_final={is_final}'
+            )
+        except Exception as e:
+            await self.logger.error(f'Failed to send stream message: {e}')
+
+        if is_final:
+            self._stream_ctx.pop(message_id, None)
 
     def unregister_listener(
         self,

src/langbot/pkg/platform/sources/qqofficial.yaml

@@ -7,9 +7,9 @@ metadata:
     zh_Hans: QQ 官方 API
     zh_Hant: QQ 官方 API
   description:
-    en_US: QQ Official API (Webhook)
-    zh_Hans: QQ 官方 API (Webhook)，需要公网地址以接收消息推送，请查看文档了解使用方式
-    zh_Hant: QQ 官方 API (Webhook)，需要公網地址以接收訊息推送，請查看文件了解使用方式
+    en_US: QQ Official API (Webhook / WebSocket)
+    zh_Hans: QQ 官方 API，支持 Webhook 和 WebSocket 两种连接模式
+    zh_Hant: QQ 官方 API，支援 Webhook 和 WebSocket 兩種連線模式
   icon: qqofficial.svg
 spec:
   categories:
@@ -19,18 +19,6 @@ spec:
     en: https://link.langbot.app/en/platforms/qqofficial
     ja: https://link.langbot.app/ja/platforms/qqofficial
   config:
-    - name: webhook_url
-      label:
-        en_US: Webhook Callback URL
-        zh_Hans: Webhook 回调地址
-        zh_Hant: Webhook 回調地址
-      description:
-        en_US: Copy this URL and paste it into your QQ Official API webhook configuration
-        zh_Hans: 复制此地址并粘贴到 QQ 官方 API 的 Webhook 配置中
-        zh_Hant: 複製此地址並貼到 QQ 官方 API 的 Webhook 設定中
-      type: webhook-url
-      required: false
-      default: ""
     - name: appid
       label:
         en_US: App ID
@@ -55,6 +43,46 @@ spec:
       type: string
       required: true
       default: ""
+    - name: enable-webhook
+      label:
+        en_US: Enable Webhook Mode
+        zh_Hans: 启用Webhook模式
+        zh_Hant: 啟用 Webhook 模式
+      description:
+        en_US: If enabled, the bot will use webhook mode to receive messages. Otherwise, it will use WebSocket mode
+        zh_Hans: 如果启用，机器人将使用 Webhook 模式接收消息。否则，将使用 WebSocket 模式
+        zh_Hant: 如果啟用，機器人將使用 Webhook 模式接收訊息。否則，將使用 WebSocket 模式
+      type: boolean
+      required: true
+      default: false
+    - name: enable-stream-reply
+      label:
+        en_US: Enable Stream Reply Mode
+        zh_Hans: 启用流式回复模式
+        zh_Hant: 啟用串流回覆模式
+      description:
+        en_US: If enabled, the bot will use streaming mode to reply messages (C2C only)
+        zh_Hans: 如果启用，机器人将使用流式方式回复消息（仅私聊）
+        zh_Hant: 如果啟用，機器人將使用串流方式回覆訊息（僅私聊）
+      type: boolean
+      required: true
+      default: false
+    - name: webhook_url
+      label:
+        en_US: Webhook Callback URL
+        zh_Hans: Webhook 回调地址
+        zh_Hant: Webhook 回調地址
+      description:
+        en_US: Copy this URL and paste it into your QQ Official API webhook configuration
+        zh_Hans: 复制此地址并粘贴到 QQ 官方 API 的 Webhook 配置中
+        zh_Hant: 複製此地址並貼到 QQ 官方 API 的 Webhook 設定中
+      type: webhook-url
+      required: false
+      default: ""
+      show_if:
+        field: enable-webhook
+        operator: eq
+        value: true
 execution:
   python:
     path: ./qqofficial.py

src/langbot/pkg/platform/sources/web_page_bot.yaml

@@ -0,0 +1,177 @@
+apiVersion: v1
+kind: MessagePlatformAdapter
+metadata:
+  name: web_page_bot
+  label:
+    en_US: "Page Bot"
+    zh_Hans: "页面机器人"
+    zh_Hant: "頁面機器人"
+    ja_JP: "ページボット"
+    th_TH: "บอทหน้าเว็บ"
+    vi_VN: "Bot trang web"
+    es_ES: "Bot de página"
+  description:
+    en_US: "Embed a chat widget on any website with a simple script tag"
+    zh_Hans: "通过一行脚本标签将聊天组件嵌入到任何网站"
+    zh_Hant: "透過一行腳本標籤將聊天元件嵌入到任何網站"
+    ja_JP: "シンプルなスクリプトタグで任意のウェブサイトにチャットウィジェットを埋め込みます"
+    th_TH: "ฝังวิดเจ็ตแชทในเว็บไซต์ใดก็ได้ด้วยแท็กสคริปต์"
+    vi_VN: "Nhúng widget trò chuyện vào bất kỳ trang web nào bằng thẻ script"
+    es_ES: "Incrusta un widget de chat en cualquier sitio web con una etiqueta de script"
+  icon: "webpage.webp"
+spec:
+  categories:
+    - popular
+  config:
+    - name: title
+      label:
+        en_US: Widget Title
+        zh_Hans: 组件标题
+        zh_Hant: 元件標題
+        ja_JP: ウィジェットタイトル
+        th_TH: ชื่อวิดเจ็ต
+        vi_VN: Tiêu đề widget
+        es_ES: Título del widget
+      description:
+        en_US: The title displayed in the chat widget header
+        zh_Hans: 显示在聊天组件顶部的标题
+        zh_Hant: 顯示在聊天元件頂部的標題
+        ja_JP: チャットウィジェットのヘッダーに表示されるタイトル
+        th_TH: ชื่อที่แสดงในส่วนหัวของวิดเจ็ตแชท
+        vi_VN: Tiêu đề hiển thị trong đầu widget trò chuyện
+        es_ES: El título que se muestra en el encabezado del widget de chat
+      type: string
+      required: false
+      default: "LangBot"
+    - name: bubble_icon
+      label:
+        en_US: Bubble Icon
+        zh_Hans: 气泡图标
+        zh_Hant: 氣泡圖示
+        ja_JP: バブルアイコン
+        th_TH: ไอคอนบับเบิล
+        vi_VN: Biểu tượng bong bóng
+        es_ES: Icono de burbuja
+        ru_RU: Иконка пузырька
+      description:
+        en_US: "Icon displayed on the floating chat bubble"
+        zh_Hans: "浮动聊天气泡上显示的图标"
+      type: select
+      required: false
+      default: "logo"
+      options:
+        - name: "logo"
+          label:
+            en_US: "LangBot Logo"
+            zh_Hans: "LangBot 图标"
+        - name: "chat"
+          label:
+            en_US: "Chat Bubble"
+            zh_Hans: "聊天气泡"
+        - name: "robot"
+          label:
+            en_US: "Robot"
+            zh_Hans: "机器人"
+        - name: "headset"
+          label:
+            en_US: "Headset"
+            zh_Hans: "客服耳机"
+        - name: "sparkle"
+          label:
+            en_US: "Sparkle"
+            zh_Hans: "星光"
+        - name: "message"
+          label:
+            en_US: "Message"
+            zh_Hans: "消息"
+    - name: language
+      label:
+        en_US: Widget Language
+        zh_Hans: 组件语言
+        zh_Hant: 元件語言
+        ja_JP: ウィジェット言語
+        th_TH: ภาษาวิดเจ็ต
+        vi_VN: Ngôn ngữ widget
+        es_ES: Idioma del widget
+        ru_RU: Язык виджета
+      description:
+        en_US: "Display language of the chat widget"
+        zh_Hans: "聊天组件的显示语言"
+        zh_Hant: "聊天元件的顯示語言"
+        ja_JP: "チャットウィジェットの表示言語"
+        th_TH: "ภาษาแสดงผลของวิดเจ็ตแชท"
+        vi_VN: "Ngôn ngữ hiển thị của widget trò chuyện"
+        es_ES: "Idioma de visualización del widget de chat"
+        ru_RU: "Язык отображения виджета чата"
+      type: select
+      required: false
+      default: "en_US"
+      options:
+        - name: "en_US"
+          label:
+            en_US: "English"
+        - name: "zh_Hans"
+          label:
+            en_US: "简体中文"
+        - name: "zh_Hant"
+          label:
+            en_US: "繁體中文"
+        - name: "ja_JP"
+          label:
+            en_US: "日本語"
+        - name: "es_ES"
+          label:
+            en_US: "Español"
+        - name: "ru_RU"
+          label:
+            en_US: "Русский"
+        - name: "th_TH"
+          label:
+            en_US: "ไทย"
+        - name: "vi_VN"
+          label:
+            en_US: "Tiếng Việt"
+    - name: embed_code
+      label:
+        en_US: Embed Code
+        zh_Hans: 嵌入代码
+        zh_Hant: 嵌入代碼
+        ja_JP: 埋め込みコード
+        th_TH: โค้ดฝังตัว
+        vi_VN: Mã nhúng
+        es_ES: Código de incrustación
+      description:
+        en_US: "Copy this code and paste it into your website HTML. The code will be generated after saving."
+        zh_Hans: "复制此代码并粘贴到你的网站 HTML 中。保存后将自动生成。"
+        zh_Hant: "複製此代碼並貼到你的網站 HTML 中。儲存後將自動生成。"
+        ja_JP: "このコードをコピーしてウェブサイトのHTMLに貼り付けてください。保存後に自動生成されます。"
+        th_TH: "คัดลอกโค้ดนี้และวางในHTML ของเว็บไซต์ของคุณ จะสร้างอัตโนมัติหลังจากบันทึก"
+        vi_VN: "Sao chép mã này và dán vào HTML trang web của bạn. Mã sẽ được tạo tự động sau khi lưu."
+        es_ES: "Copia este código y pégalo en el HTML de tu sitio web. El código se generará después de guardar."
+      type: embed-code
+      required: false
+      default: ""
+    - name: turnstile_site_key
+      label:
+        en_US: Turnstile Site Key
+        zh_Hans: Turnstile 站点密钥
+      description:
+        en_US: "Cloudflare Turnstile site key for bot protection. Get it from the Cloudflare dashboard (Turnstile > Add Site). Leave empty to disable."
+        zh_Hans: "Cloudflare Turnstile 站点密钥，用于防止机器人滥用。在 Cloudflare 控制台（Turnstile > 添加站点）中获取。留空则不启用。"
+      type: string
+      required: false
+      default: ""
+    - name: turnstile_secret_key
+      label:
+        en_US: Turnstile Secret Key
+        zh_Hans: Turnstile 服务端密钥
+      description:
+        en_US: "Cloudflare Turnstile secret key for server-side token verification. Found alongside the site key in the Cloudflare dashboard. Required if site key is set."
+        zh_Hans: "Cloudflare Turnstile 服务端密钥，用于服务端验证令牌。与站点密钥一起在 Cloudflare 控制台中获取。设置了站点密钥时必填。"
+      type: string
+      required: false
+      default: ""
+execution:
+  python:
+    path: "web_page_bot_adapter.py"
+    attr: "WebPageBotAdapter"

src/langbot/pkg/platform/sources/web_page_bot_adapter.py

@@ -0,0 +1,97 @@
+"""Web Page Bot adapter - lightweight adapter for embeddable chat widget"""
+
+import typing
+
+import pydantic
+
+import langbot_plugin.api.definition.abstract.platform.adapter as abstract_platform_adapter
+import langbot_plugin.api.entities.builtin.platform.message as platform_message
+import langbot_plugin.api.entities.builtin.platform.events as platform_events
+import langbot_plugin.api.definition.abstract.platform.event_logger as abstract_platform_logger
+
+
+class WebPageBotAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter):
+    """Lightweight adapter for the embeddable page bot.
+
+    This adapter does not handle messages itself. The actual WebSocket
+    communication is handled by the singleton websocket_proxy_bot.
+    This adapter stores event listeners so that RuntimeBot can register
+    its handlers, which are then called by the websocket adapter when
+    a message arrives for this bot's pipeline.
+
+    Message sending/replying is delegated to the websocket_proxy_bot's
+    adapter so that replies are actually delivered over the WebSocket
+    connection while the dashboard correctly shows this adapter's name.
+    """
+
+    listeners: dict = pydantic.Field(default_factory=dict, exclude=True)
+    _ws_adapter: typing.Any = None
+
+    class Config:
+        arbitrary_types_allowed = True
+        # Allow private attributes
+        underscore_attrs_are_private = True
+
+    def __init__(self, config: dict, logger: abstract_platform_logger.AbstractEventLogger, **kwargs):
+        super().__init__(config=config, logger=logger, **kwargs)
+
+    def set_ws_adapter(self, ws_adapter) -> None:
+        """Set the underlying WebSocket adapter used for actual message delivery."""
+        object.__setattr__(self, '_ws_adapter', ws_adapter)
+
+    async def send_message(
+        self,
+        target_type: str,
+        target_id: str,
+        message: platform_message.MessageChain,
+    ) -> dict:
+        if self._ws_adapter is not None:
+            return await self._ws_adapter.send_message(target_type, target_id, message)
+        return {}
+
+    async def reply_message(
+        self,
+        message_source: platform_events.MessageEvent,
+        message: platform_message.MessageChain,
+        quote_origin: bool = False,
+    ) -> dict:
+        if self._ws_adapter is not None:
+            return await self._ws_adapter.reply_message(message_source, message, quote_origin)
+        return {}
+
+    async def reply_message_chunk(
+        self,
+        message_source: platform_events.MessageEvent,
+        bot_message,
+        message: platform_message.MessageChain,
+        quote_origin: bool = False,
+        is_final: bool = False,
+    ) -> dict:
+        if self._ws_adapter is not None:
+            return await self._ws_adapter.reply_message_chunk(
+                message_source, bot_message, message, quote_origin, is_final
+            )
+        return {}
+
+    def register_listener(
+        self,
+        event_type: typing.Type[platform_events.Event],
+        func: typing.Callable,
+    ):
+        self.listeners[event_type] = func
+
+    def unregister_listener(
+        self,
+        event_type: typing.Type[platform_events.Event],
+        func: typing.Callable,
+    ):
+        self.listeners.pop(event_type, None)
+
+    async def is_muted(self, group_id: int) -> bool:
+        return False
+
+    async def run_async(self):
+        pass
+
+    async def kill(self):
+        pass

src/langbot/pkg/platform/sources/websocket_adapter.py

@@ -312,7 +312,7 @@ class WebSocketAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter)
 
     async def _process_image_components(self, message_chain_obj: list):
         """
-        处理消息链中的图片组件，将path转换为base64
+        处理消息链中的图片和文件组件，将path转换为base64
 
         Args:
             message_chain_obj: 消息链对象列表
@@ -322,16 +322,18 @@ class WebSocketAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter)
         storage_mgr = self.ap.storage_mgr
 
         for component in message_chain_obj:
-            if component.get('type') == 'Image' and component.get('path'):
-                try:
-                    # 从storage读取文件
-                    file_content = await storage_mgr.storage_provider.load(component['path'])
+            comp_type = component.get('type', '')
+            comp_path = component.get('path', '')
 
-                    # 转换为base64
+            if not comp_path:
+                continue
+
+            if comp_type == 'Image':
+                try:
+                    file_content = await storage_mgr.storage_provider.load(comp_path)
                     base64_str = base64.b64encode(file_content).decode('utf-8')
 
-                    # 添加data URI前缀（根据文件扩展名判断MIME类型）
-                    file_key = component['path']
+                    file_key = comp_path
                     if file_key.lower().endswith(('.jpg', '.jpeg')):
                         mime_type = 'image/jpeg'
                     elif file_key.lower().endswith('.png'):
@@ -341,19 +343,19 @@ class WebSocketAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter)
                     elif file_key.lower().endswith('.webp'):
                         mime_type = 'image/webp'
                     else:
-                        mime_type = 'image/png'  # 默认
+                        mime_type = 'image/png'
 
                     component['base64'] = f'data:{mime_type};base64,{base64_str}'
-                    await storage_mgr.storage_provider.delete(component['path'])
+                    await storage_mgr.storage_provider.delete(comp_path)
                     component['path'] = ''
-                    # 保留path字段用于后端处理，前端使用base64显示
                 except Exception as e:
-                    await self.logger.error(f'加载图片文件失败 {component["path"]}: {e}')
+                    await self.logger.error(f'Failed to load image file {comp_path}: {e}')
 
     async def handle_websocket_message(
         self,
         connection: WebSocketConnection,
         message_data: dict,
+        owner_bot=None,
     ):
         """
         处理从WebSocket接收的消息
@@ -366,6 +368,8 @@ class WebSocketAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter)
             message_data: 消息数据，包含:
                 - message: 消息链
                 - stream: 是否启用流式输出 (可选，默认True)
+            owner_bot: Optional RuntimeBot that owns this pipeline (e.g. a web_page_bot).
+                       When provided, its identity is used for logging and session tracking.
         """
         pipeline_uuid = connection.pipeline_uuid
         session_type = connection.session_type
@@ -435,12 +439,26 @@ class WebSocketAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter)
                 sender=sender, message_chain=message_chain, time=datetime.now().timestamp()
             )
 
-        # 设置流水线UUID
+        # 设置流水线UUID (proxy bot always needs it for reply_message routing)
         self.ap.platform_mgr.websocket_proxy_bot.bot_entity.use_pipeline_uuid = pipeline_uuid
+        if owner_bot is not None:
+            owner_bot.bot_entity.use_pipeline_uuid = pipeline_uuid
 
-        # 异步触发事件处理（不等待结果）
-        if event.__class__ in self.listeners:
-            asyncio.create_task(self.listeners[event.__class__](event, self))
+        # 异步触发事件处理
+        # Use owner_bot's listeners if available, otherwise fall back to proxy bot
+        listeners = (
+            owner_bot.adapter.listeners
+            if (owner_bot and hasattr(owner_bot.adapter, 'listeners') and owner_bot.adapter.listeners)
+            else self.listeners
+        )
+        # Pass owner_bot's adapter so that downstream logging / dashboard
+        # attributes the message to the correct bot adapter name.
+        # Wire the ws adapter into the owner so replies are actually delivered.
+        if owner_bot and hasattr(owner_bot.adapter, 'set_ws_adapter'):
+            owner_bot.adapter.set_ws_adapter(self)
+        callback_adapter = owner_bot.adapter if (owner_bot and hasattr(owner_bot, 'adapter')) else self
+        if event.__class__ in listeners:
+            asyncio.create_task(listeners[event.__class__](event, callback_adapter))
 
     def get_websocket_messages(self, pipeline_uuid: str, session_type: str) -> list[dict]:
         """获取消息历史"""

src/langbot/pkg/plugin/connector.py

@@ -414,6 +414,17 @@ class PluginRuntimeConnector(ManagedRuntimeConnector):
     async def get_plugin_assets(self, plugin_author: str, plugin_name: str, filepath: str) -> dict[str, Any]:
         return await self.handler.get_plugin_assets(plugin_author, plugin_name, filepath)
 
+    async def handle_page_api(
+        self,
+        plugin_author: str,
+        plugin_name: str,
+        page_id: str,
+        endpoint: str,
+        method: str,
+        body: Any = None,
+    ) -> dict[str, Any]:
+        return await self.handler.handle_page_api(plugin_author, plugin_name, page_id, endpoint, method, body)
+
     async def get_debug_info(self) -> dict[str, Any]:
         """Get debug information including debug key and WS URL"""
         if not self.is_enable_plugin:

src/langbot/pkg/plugin/handler.py

@@ -367,6 +367,22 @@ class RuntimeConnectionHandler(handler.Handler):
             owner_type = data['owner_type']
             owner = data['owner']
             value = base64.b64decode(data['value_base64'])
+            max_value_bytes = (
+                self.ap.instance_config.data.get('plugin', {})
+                .get('binary_storage', {})
+                .get(
+                    'max_value_bytes',
+                    10 * 1024 * 1024,
+                )
+            )
+            try:
+                max_value_bytes = int(max_value_bytes)
+            except (TypeError, ValueError):
+                max_value_bytes = 10 * 1024 * 1024
+            if max_value_bytes >= 0 and len(value) > max_value_bytes:
+                return handler.ActionResponse.error(
+                    message=f'Binary storage value exceeds limit ({len(value)} > {max_value_bytes} bytes)',
+                )
 
             result = await self.ap.persistence_mgr.execute_async(
                 sqlalchemy.select(persistence_bstorage.BinaryStorage)
@@ -939,6 +955,11 @@ class RuntimeConnectionHandler(handler.Handler):
             timeout=20,
         )
         asset_file_key = result['file_file_key']
+        if not asset_file_key:
+            return {
+                'asset_base64': '',
+                'mime_type': '',
+            }
         mime_type = result['mime_type']
         asset_bytes = await self.read_local_file(asset_file_key)
         await self.delete_local_file(asset_file_key)
@@ -947,6 +968,30 @@ class RuntimeConnectionHandler(handler.Handler):
             'mime_type': mime_type,
         }
 
+    async def handle_page_api(
+        self,
+        plugin_author: str,
+        plugin_name: str,
+        page_id: str,
+        endpoint: str,
+        method: str,
+        body: Any = None,
+    ) -> dict[str, Any]:
+        """Forward a page API call to the plugin via runtime."""
+        result = await self.call_action(
+            LangBotToRuntimeAction.PAGE_API,
+            {
+                'plugin_author': plugin_author,
+                'plugin_name': plugin_name,
+                'page_id': page_id,
+                'endpoint': endpoint,
+                'method': method,
+                'body': body,
+            },
+            timeout=30,
+        )
+        return result
+
     async def cleanup_plugin_data(self, plugin_author: str, plugin_name: str) -> None:
         """Cleanup plugin settings and binary storage"""
         # Delete plugin settings

src/langbot/pkg/provider/modelmgr/requesters/qiniu.svg

@@ -0,0 +1 @@
+<svg height="1em" style="flex:none;line-height:1" viewBox="0 0 24 24" width="1em" xmlns="http://www.w3.org/2000/svg"><title>Qiniu</title><path d="M23.111 4.6a.914.914 0 00-.861.161A13.443 13.443 0 017.947 8.897L7.38 6.831a1.076 1.076 0 00-1.211-.698l.27 2.18c-1.816-.827-2.313-.946-3.587-2.45C2.674 5.729 1.263 4.472.89 4.6a11.906 11.906 0 005.892 6.497l.738 5.97s.33 2.286 2.473 2.286h4.586c2.144 0 2.474-2.286 2.474-2.286l.518-4.28c-1.393-.11-2.268.857-2.546 1.814-.465 1.614-.465 1.716-.557 1.998-.188.575-.806.644-.806.644h-2.753s-.617-.07-.806-.644c-.12-.371-.727-2.54-1.335-4.74A11.877 11.877 0 0023.11 4.599V4.6z" fill="#06AEEF"></path></svg>

src/langbot/pkg/provider/modelmgr/requesters/qiniuchatcmpl.py

@@ -0,0 +1,45 @@
+from __future__ import annotations
+
+import typing
+
+import openai
+
+from . import chatcmpl
+
+
+class QiniuChatCompletions(chatcmpl.OpenAIChatCompletions):
+    """七牛云 ChatCompletion API 请求器"""
+
+    client: openai.AsyncClient
+
+    default_config: dict[str, typing.Any] = {
+        'base_url': 'https://api.qnaigc.com/v1',
+        'timeout': 120,
+    }
+
+    async def scan_models(self, api_key: str | None = None) -> dict[str, typing.Any]:
+        try:
+            result = await super().scan_models(api_key)
+        except Exception:
+            return self._qiniu_fallback_scan_result()
+        models = result.get('models') or []
+        if not models:
+            return self._qiniu_fallback_scan_result()
+        return result
+
+    def _qiniu_fallback_scan_result(self) -> dict[str, typing.Any]:
+        mid = 'deepseek-v3'
+        return {
+            'models': [
+                {
+                    'id': mid,
+                    'name': mid,
+                    'type': 'llm',
+                    'abilities': [],
+                }
+            ],
+            'debug': {
+                'request': {'method': 'GET', 'url': '', 'headers': {}},
+                'response': {},
+            },
+        }

src/langbot/pkg/provider/modelmgr/requesters/qiniuchatcmpl.yaml

@@ -0,0 +1,31 @@
+apiVersion: v1
+kind: LLMAPIRequester
+metadata:
+  name: qiniu-chat-completions
+  label:
+    en_US: Qiniu
+    zh_Hans: 七牛云
+  icon: qiniu.svg
+spec:
+  config:
+  - name: base_url
+    label:
+      en_US: Base URL
+      zh_Hans: 基础 URL
+    type: string
+    required: true
+    default: https://api.qnaigc.com/v1
+  - name: timeout
+    label:
+      en_US: Timeout
+      zh_Hans: 超时时间
+    type: integer
+    required: true
+    default: 120
+  support_type:
+  - llm
+  provider_category: maas
+execution:
+  python:
+    path: ./qiniuchatcmpl.py
+    attr: QiniuChatCompletions

src/langbot/pkg/provider/runners/n8nsvapi.py

@@ -187,6 +187,12 @@ class N8nServiceAPIRunner(runner.RequestRunner):
         if not query.session.using_conversation.uuid:
             query.session.using_conversation.uuid = str(uuid.uuid4())
 
+        # Keep query variables in sync with the generated/new conversation id.
+        # query.variables is later merged into payload and would otherwise
+        # overwrite the generated conversation_id with the stale preprocessor
+        # value (usually None for a new conversation).
+        query.variables['conversation_id'] = query.session.using_conversation.uuid
+
         # 预处理用户消息
         plain_text = await self._preprocess_user_message(query)
 

src/langbot/pkg/rag/knowledge/kbmgr.py

@@ -148,52 +148,60 @@ class RuntimeKnowledgeBase(KnowledgeBaseInterface):
         supported_extensions = {'txt', 'pdf', 'docx', 'md', 'html'}
         stored_file_tasks = []
 
-        # use utf-8 encoding
-        with zipfile.ZipFile(io.BytesIO(zip_bytes), 'r', metadata_encoding='utf-8') as zip_ref:
-            for file_info in zip_ref.filelist:
-                # skip directories and hidden files
-                if file_info.is_dir() or file_info.filename.startswith('.'):
-                    continue
-
-                _, file_ext = os.path.splitext(file_info.filename)
-                file_extension = file_ext.lstrip('.').lower()
-                if file_extension not in supported_extensions:
-                    self.ap.logger.debug(f'Skipping unsupported file in ZIP: {file_info.filename}')
-                    continue
-
-                try:
-                    file_content = zip_ref.read(file_info.filename)
-
-                    base_name = file_info.filename.replace('/', '_').replace('\\', '_')
-                    file_stem, file_ext = os.path.splitext(base_name)
-                    extension = file_ext.lstrip('.')
-
-                    if file_stem.startswith('__MACOSX'):
+        try:
+            # use utf-8 encoding
+            with zipfile.ZipFile(io.BytesIO(zip_bytes), 'r', metadata_encoding='utf-8') as zip_ref:
+                for file_info in zip_ref.filelist:
+                    # skip directories and hidden files
+                    if file_info.is_dir() or file_info.filename.startswith('.'):
                         continue
 
-                    extracted_file_id = file_stem + '_' + str(uuid.uuid4())[:8] + '.' + extension
-                    # save file to storage
+                    _, file_ext = os.path.splitext(file_info.filename)
+                    file_extension = file_ext.lstrip('.').lower()
+                    if file_extension not in supported_extensions:
+                        self.ap.logger.debug(f'Skipping unsupported file in ZIP: {file_info.filename}')
+                        continue
 
-                    await self.ap.storage_mgr.storage_provider.save(extracted_file_id, file_content)
+                    try:
+                        file_content = zip_ref.read(file_info.filename)
 
-                    task_id = await self.store_file(extracted_file_id, parser_plugin_id=parser_plugin_id)
-                    stored_file_tasks.append(task_id)
+                        base_name = file_info.filename.replace('/', '_').replace('\\', '_')
+                        file_stem, file_ext = os.path.splitext(base_name)
+                        extension = file_ext.lstrip('.')
 
-                    self.ap.logger.info(
-                        f'Extracted and stored file from ZIP: {file_info.filename} -> {extracted_file_id}'
-                    )
+                        if file_stem.startswith('__MACOSX'):
+                            continue
 
-                except Exception as e:
-                    self.ap.logger.warning(f'Failed to extract file {file_info.filename} from ZIP: {e}')
-                    continue
+                        extracted_file_id = file_stem + '_' + str(uuid.uuid4())[:8] + '.' + extension
+                        # save file to storage
 
-        if not stored_file_tasks:
-            raise Exception('No supported files found in ZIP archive')
+                        await self.ap.storage_mgr.storage_provider.save(extracted_file_id, file_content)
 
-        self.ap.logger.info(f'Successfully processed ZIP file {zip_file_id}, extracted {len(stored_file_tasks)} files')
-        await self.ap.storage_mgr.storage_provider.delete(zip_file_id)
+                        task_id = await self.store_file(extracted_file_id, parser_plugin_id=parser_plugin_id)
+                        stored_file_tasks.append(task_id)
 
-        return stored_file_tasks[0] if stored_file_tasks else ''
+                        self.ap.logger.info(
+                            f'Extracted and stored file from ZIP: {file_info.filename} -> {extracted_file_id}'
+                        )
+
+                    except Exception as e:
+                        self.ap.logger.warning(f'Failed to extract file {file_info.filename} from ZIP: {e}')
+                        continue
+
+            if not stored_file_tasks:
+                raise Exception('No supported files found in ZIP archive')
+
+            self.ap.logger.info(
+                f'Successfully processed ZIP file {zip_file_id}, extracted {len(stored_file_tasks)} files'
+            )
+            return stored_file_tasks[0] if stored_file_tasks else ''
+        finally:
+            try:
+                await self.ap.storage_mgr.storage_provider.delete(zip_file_id)
+            except FileNotFoundError:
+                pass
+            except Exception as e:
+                self.ap.logger.warning(f'Failed to cleanup ZIP file {zip_file_id}: {e}')
 
     async def retrieve(self, query: str, settings: dict | None = None) -> list[rag_context.RetrievalResultEntry]:
         # Merge stored retrieval_settings with per-request overrides

src/langbot/pkg/storage/providers/localstorage.py

@@ -12,6 +12,23 @@ from .. import provider
 LOCAL_STORAGE_PATH = os.path.join('data', 'storage')
 
 
+def _safe_resolve(base: str, key: str) -> str:
+    """Resolve *key* under *base* and ensure the result stays inside *base*.
+
+    Raises ``ValueError`` if the resolved path escapes the storage root
+    (e.g. via absolute paths, ``..`` components, or symlinks).
+    """
+    # os.path.realpath resolves symlinks and normalises the path.
+    resolved = os.path.realpath(os.path.join(base, key))
+    canonical_base = os.path.realpath(base)
+    # The resolved path must be *strictly* inside the base directory (or equal
+    # to it only for directory operations).  We append os.sep so that a base of
+    # "/data/storage" does not match "/data/storage_evil".
+    if not (resolved == canonical_base or resolved.startswith(canonical_base + os.sep)):
+        raise ValueError(f'Path traversal detected: key {key!r} resolves outside storage root')
+    return resolved
+
+
 class LocalStorageProvider(provider.StorageProvider):
     def __init__(self, ap: app.Application):
         super().__init__(ap)
@@ -23,40 +40,47 @@ class LocalStorageProvider(provider.StorageProvider):
         key: str,
         value: bytes,
     ):
-        if not os.path.exists(os.path.join(LOCAL_STORAGE_PATH, os.path.dirname(key))):
-            os.makedirs(os.path.join(LOCAL_STORAGE_PATH, os.path.dirname(key)))
-        async with aiofiles.open(os.path.join(LOCAL_STORAGE_PATH, f'{key}'), 'wb') as f:
+        resolved = _safe_resolve(LOCAL_STORAGE_PATH, key)
+        parent = os.path.dirname(resolved)
+        if not os.path.exists(parent):
+            os.makedirs(parent)
+        async with aiofiles.open(resolved, 'wb') as f:
             await f.write(value)
 
     async def load(
         self,
         key: str,
     ) -> bytes:
-        async with aiofiles.open(os.path.join(LOCAL_STORAGE_PATH, f'{key}'), 'rb') as f:
+        resolved = _safe_resolve(LOCAL_STORAGE_PATH, key)
+        async with aiofiles.open(resolved, 'rb') as f:
             return await f.read()
 
     async def exists(
         self,
         key: str,
     ) -> bool:
-        return os.path.exists(os.path.join(LOCAL_STORAGE_PATH, f'{key}'))
+        resolved = _safe_resolve(LOCAL_STORAGE_PATH, key)
+        return os.path.exists(resolved)
 
     async def delete(
         self,
         key: str,
     ):
-        os.remove(os.path.join(LOCAL_STORAGE_PATH, f'{key}'))
+        resolved = _safe_resolve(LOCAL_STORAGE_PATH, key)
+        os.remove(resolved)
 
     async def size(
         self,
         key: str,
     ) -> int:
-        return os.path.getsize(os.path.join(LOCAL_STORAGE_PATH, f'{key}'))
+        resolved = _safe_resolve(LOCAL_STORAGE_PATH, key)
+        return os.path.getsize(resolved)
 
     async def delete_dir_recursive(
         self,
         dir_path: str,
     ):
+        resolved = _safe_resolve(LOCAL_STORAGE_PATH, dir_path)
         # 直接删除整个目录
-        if os.path.exists(os.path.join(LOCAL_STORAGE_PATH, dir_path)):
-            shutil.rmtree(os.path.join(LOCAL_STORAGE_PATH, dir_path))
+        if os.path.exists(resolved):
+            shutil.rmtree(resolved)

src/langbot/templates/config.yaml

@@ -25,6 +25,9 @@ system:
         max_bots: -1
         max_pipelines: -1
         max_extensions: -1
+    task_retention:
+        # Keep at most this many completed async task records in memory
+        completed_limit: 200
     jwt:
         expire: 604800
         secret: ''
@@ -68,6 +71,15 @@ vdb:
         password: 'postgres'
 storage:
     use: local
+    cleanup:
+        # Enable periodic cleanup of local/S3 uploaded files and old log files
+        enabled: true
+        # Cleanup check interval in hours
+        check_interval_hours: 1
+        # Root-level uploaded files older than this will be deleted
+        uploaded_file_retention_days: 7
+        # LangBot log files older than this many days will be deleted
+        log_retention_days: 3
     s3:
         endpoint_url: ''
         access_key_id: ''
@@ -79,6 +91,9 @@ plugin:
     runtime_ws_url: 'ws://langbot_plugin_runtime:5400/control/ws'
     enable_marketplace: true
     display_plugin_debug_url: 'ws://localhost:5401/plugin/debug/ws'
+    binary_storage:
+        # Max bytes for a single plugin binary storage value
+        max_value_bytes: 10485760
 monitoring:
     auto_cleanup:
         # Enable automatic cleanup of expired monitoring records
@@ -87,6 +102,8 @@ monitoring:
         retention_days: 30
         # Cleanup check interval in hours
         check_interval_hours: 1
+        # Number of expired rows to delete per table batch
+        delete_batch_size: 1000
 box:
     profile: 'default'
     image: ''  # Custom sandbox container image. Leave empty to use the profile default (python:3.11-slim).

src/langbot/templates/default-pipeline-config.json

@@ -38,7 +38,8 @@
     },
     "ai": {
         "runner": {
-            "runner": "local-agent"
+            "runner": "local-agent",
+            "expire-time": 0
         },
         "local-agent": {
             "model": {

src/langbot/templates/metadata/pipeline/ai.yaml

@@ -47,6 +47,26 @@ stages:
             label:
               en_US: Langflow API
               zh_Hans: Langflow API
+      - name: expire-time
+        label:
+          en_US: Conversation expire time (seconds)
+          zh_Hans: 单个对话过期时间（秒）
+        description:
+          en_US: >-
+            Maximum idle time of a single conversation, measured from the last
+            message/preprocess update time. When a new message arrives and the
+            current conversation has been idle for longer than this value, the
+            existing external conversation id is discarded and a new one is
+            started automatically — the user does not need to trigger a reset
+            manually. Set to 0 to disable expiry (conversations live until the
+            user or another mechanism resets them).
+          zh_Hans: >-
+            单个对话的最长空闲时间，从最后一条消息/preprocess 更新时间开始计算。
+            当新消息到达且当前对话空闲时间已超过该值时，旧的外部对话 ID 会被自动丢弃并开启新对话，
+            用户无需手动重置。设置为 0 表示不限制过期时间（对话会一直保留，直到用户或其他机制主动重置）。
+        type: integer
+        required: true
+        default: 0
   - name: local-agent
     label:
       en_US: Local Agent
@@ -539,4 +559,4 @@ stages:
           zh_Hans: 可选的流程调整参数
         type: json
         required: false
-        default: '{}'
+        default: '{}'

src/langbot/templates/metadata/pipeline/safety.yaml

@@ -72,4 +72,4 @@ stages:
           - name: wait
             label:
               en_US: Wait
-              zh_Hans: 等待
+              zh_Hans: 等待